Top 30 Ultra-Luxury Interior Design Studios 2026

This article is part of the Wealth Ranking Luxury & Heritage Rankings Series published by Ranking News. The ranking evaluates specialized design studios serving ultra-high-net-worth individuals, family offices, luxury developers, hospitality groups, private collectors, and owners of landmark residential, hospitality, yacht, aviation, and lifestyle properties.

Ultra-luxury interior design studios occupy a distinctive position at the intersection of architecture, decorative arts, furniture, craft, hospitality, and private lifestyle. Their work extends beyond selecting finishes or furnishing completed buildings. Leading studios frequently influence spatial planning, architectural detailing, lighting, commissioned art, bespoke furniture, landscape relationships, operational requirements, and the wider identity of a property.

The most complex commissions may involve several residences, extensive art collections, historically significant buildings, branded developments, superyachts, private aircraft, and hospitality properties operating across multiple jurisdictions. Designers must coordinate architects, engineers, contractors, artisans, conservators, art advisors, lighting specialists, landscape designers, shipyards, developers, hotel operators, and specialist manufacturers while preserving a coherent creative vision.

Discretion is equally important. Much of the sector’s most significant work is never publicly identified because clients require privacy concerning their homes, collections, travel patterns, security arrangements, and family lives. Public visibility therefore provides only a partial measure of a studio’s standing.

The Ranking News Top 30 Ultra-Luxury Interior Design Studios 2026 ranking recognizes firms whose creative influence, client relevance, project depth, international execution capabilities, and contribution to contemporary luxury environments place them among the leading studios in the sector.

Market Overview

Demand for ultra-luxury interior design is being sustained by several connected markets: trophy residential property, branded residences, luxury hospitality, superyachts, private aviation, private clubs, collectible design, and the continuing international mobility of private wealth.

The branded-residence sector is particularly important. Hotels, fashion houses, automotive companies, designers, and lifestyle brands increasingly participate in residential developments intended to offer buyers a recognizable service and design proposition. This places greater responsibility on interior studios, which must translate an external brand into spaces that remain comfortable, functional, and credible as private homes.

Developers also rely on design to distinguish properties in markets where location and amenity packages are becoming increasingly similar. A respected studio can provide a project with visual identity, international recognition, marketing coherence, and a level of material and spatial differentiation that would be difficult to reproduce through a standardized design team.

At the private-client level, many ultra-high-net-worth families are moving away from interiors assembled principally as displays of expense. The strongest commissions increasingly emphasize architectural coherence, provenance, craftsmanship, art, cultural context, comfort, and the ability of a residence to support family life over many years.

This does not imply a single aesthetic direction. Quiet minimalism, historically informed decoration, expressive color, contemporary art, collectible furniture, regional craftsmanship, and hospitality-influenced residential design all remain active. What distinguishes the upper end of the market is not adherence to a particular style, but the depth with which the selected approach is developed and executed.

Principal Ultra-Luxury Design Models

Studio model	Principal capabilities	Typical commissions	Distinguishing source of value
Architect-led luxury studio	Architecture, interior architecture, planning, detailing, furniture, art integration	Private estates, retail flagships, cultural buildings, landmark developments	Control of the complete architectural and interior environment
Hospitality specialist	Guest experience, operational planning, restaurants, suites, public spaces, brand interpretation	Luxury hotels, resorts, clubs, restaurants, branded residences	Ability to combine atmosphere with commercial and operational requirements
Private residential atelier	Highly personalized interiors, sourcing, antiques, art placement, decoration, procurement	Townhouses, villas, apartments, country estates, family compounds	Direct principal involvement and sensitivity to private lifestyle
Yacht and aviation studio	Exterior and interior coordination, technical integration, weight and safety requirements	Superyachts, sailing yachts, private jets, helicopters	Bespoke design within highly regulated mobile environments
Decorative-arts practice	Historical research, artisan work, textiles, murals, antiques, specialist finishes	Heritage residences, palazzi, collectible interiors	Deep knowledge of decorative traditions and craft execution
Collectible-design studio	Bespoke furniture, lighting, limited editions, art and object curation	Residences, boutiques, galleries, design-led hospitality	Integration of interiors with collectible objects and authored products
Global turnkey platform	Architecture, interiors, procurement, technical design, installation, handover	Multijurisdictional residences, developments, hotels, yachts	Institutional capacity to execute complex projects at scale

Industry Trend — 2026

Several developments are shaping ultra-luxury interior design in 2026.

First, branded residences continue to expand across both established and emerging luxury markets. Dubai, Miami, London, New York, Istanbul, Athens, Lisbon, Madrid, the Mediterranean, Southeast Asia, and major resort destinations are attracting projects connected to hotel, fashion, automotive, and design brands. This is creating demand for studios capable of expressing recognizable brand values without producing interiors that feel formulaic.

Second, hospitality and residential design are becoming more closely connected. Private homes increasingly incorporate hotel-grade wellness suites, entertainment areas, wine rooms, staff circulation, catering kitchens, security systems, guest accommodation, and service infrastructure. Hotels, meanwhile, are seeking spaces with the comfort, individuality, and layered character of private residences.

Third, clients are demanding greater personalization. Bespoke furniture, commissioned art, specialist stone, custom metalwork, hand-painted surfaces, rare textiles, and location-specific craftsmanship are being used to distinguish important properties from luxury interiors assembled through widely available products.

Fourth, the strongest studios are developing more substantial procurement and implementation capabilities. Creative concepts must survive budgeting, engineering, contractor coordination, regulatory review, fabrication, shipping, installation, and final styling. The ability to control these stages is increasingly important where commissions extend over several years or involve properties in multiple countries.

Fifth, wellness has moved beyond the inclusion of a spa or gym. Air and water quality, natural light, acoustics, thermal comfort, sleep, accessibility, outdoor relationships, private medical facilities, and spaces supporting mental restoration are becoming integrated into the underlying design of high-value residences and hospitality properties.

Sixth, climate resilience and material performance are receiving greater attention. Coastal exposure, wildfire risk, extreme heat, water scarcity, insurance requirements, energy performance, and the durability of specialist finishes can materially affect the design of a luxury property. Studios must reconcile these technical concerns with the expectation of visual refinement.

Seventh, art and collectible design are becoming more structurally integrated into interiors. Important works may affect wall construction, lighting, security, humidity control, circulation, insurance, and spatial planning. Designers increasingly collaborate with collectors and art advisors from the early stages of a project rather than treating art placement as final decoration.

Finally, succession is influencing residential commissions. Family principals are considering whether homes can accommodate several generations, changing mobility needs, staff requirements, inherited collections, and eventual transitions of ownership. An interior designed only for immediate visual impact may be less valuable than one capable of adapting without losing its identity.

Methodology — Core Eligibility Criteria

To ensure consistency within the Ultra-Luxury Interior Design Studios category, firms were evaluated against the following eligibility criteria:

• Demonstrates established experience serving ultra-high-net-worth clients, luxury developers, hotel operators, family offices, collectors, or owners of significant yachts and private aircraft
• Maintains an identifiable interior design or interior architecture practice with an active and traceable market presence
• Provides substantive work involving private residences, luxury hospitality, branded residences, retail flagships, yachts, aviation, clubs, or comparable lifestyle environments
• Demonstrates a credible ability to develop highly bespoke interiors rather than standardized decorative packages
• Maintains access to specialist artisans, manufacturers, contractors, suppliers, and professional consultants
• Demonstrates sufficient technical and project-management capacity to execute complex commissions
• Possesses a recognizable creative identity or a demonstrated ability to respond distinctively to different clients and locations
• Maintains relevance to contemporary international luxury markets

Large architecture, engineering, and commercial design firms were excluded unless their luxury interior practice possesses a distinct identity and substantial portfolio. Furniture companies, product brands, property developers, general decorators, and studios with insufficient evidence of continuing ultra-luxury activity were also excluded.

Because confidentiality is fundamental to this market, the absence of publicly identified private clients was not treated as evidence of limited experience. Studios were instead assessed through the depth, consistency, and credibility of the work that could be independently traced.

Methodology — Ranking Factors

Qualified studios were assessed using qualitative and structural considerations including:

• International design reputation
• Creative influence within luxury interiors
• Quality and significance of completed projects
• Depth of private residential and hospitality experience
• Relevance to ultra-high-net-worth clients
• Capacity for principal-level creative involvement
• Architectural and interior-architecture capability
• Experience with art, antiques, furniture, and collectible design
• Access to specialist craft and fabrication networks
• Procurement, project-management, and installation capabilities
• Experience with landmark or technically demanding properties
• Ability to operate across multiple countries and jurisdictions
• Strength within branded residences, yachts, aviation, or other specialist sectors
• Consistency of execution across different project types
• Institutional continuity and ability to support long-duration commissions
• Contribution to the wider language of contemporary luxury

Approximately 90 international studios and designer-led practices were reviewed, from which 30 were selected.

Tier classifications reflect relative creative influence, institutional development, project significance, international reach, and relevance to sophisticated private and commercial clients. They do not represent a numerical design score or a judgment that one aesthetic approach is inherently superior to another.

---

Tier I — Leading Ultra-Luxury Interior Design Studios

Peter Marino Architect

• Headquarters: New York, United States
• Founded: 1978

Peter Marino Architect is one of the most influential practices operating across architecture, interiors, art, fashion, and contemporary luxury. The New York-based firm works internationally on private residences, luxury retail buildings, hospitality properties, cultural spaces, exhibitions, and major architectural commissions.

The practice is particularly recognized for treating architecture and interior design as a unified discipline. Stone, metal, glass, joinery, lighting, furniture, art, and circulation are developed as components of a complete spatial composition rather than applied as separate decorative layers.

Art integration is central to the studio’s identity. Peter Marino has commissioned hundreds of site-specific works, bringing artists, craftspeople, and specialist fabricators into direct dialogue with architecture. This capability is especially relevant to collectors, foundations, luxury houses, and private clients seeking spaces in which art is structurally embedded.

The firm’s longstanding relationships with Chanel, Louis Vuitton, Dior, Bulgari, and other luxury houses have also shaped the international language of high-end retail. These commissions frequently extend beyond store interiors into complete buildings and highly visible urban interventions.

Peter Marino Architect belongs in Tier I because of its architectural depth, art-world credibility, luxury-sector influence, international portfolio, and exceptional ability to control projects from structural concept through the finest interior detail.

Pierre-Yves Rochon

• Headquarters: Paris, France, with a studio in Chicago
• Founded: 1979

Pierre-Yves Rochon is one of the defining practices in international luxury hospitality design. The studio is associated with landmark hotels, resorts, restaurants, residences, and branded developments requiring a sophisticated balance between historical identity, guest comfort, operational functionality, and contemporary expectations.

Its work is distinguished by classical proportion, carefully developed architectural detailing, commissioned furniture, refined color, and a strong sensitivity to the history of individual properties. Rather than imposing a uniform house style, the studio frequently draws from local architecture and decorative traditions to establish continuity between a hotel and its destination.

Pierre-Yves Rochon has contributed to properties associated with Four Seasons, Waldorf Astoria, Ritz-Carlton, Peninsula, and other major hospitality institutions. The scale and complexity of these projects require the studio to coordinate public rooms, guestrooms, restaurants, spas, circulation, lighting, art, and operational infrastructure without weakening the overall identity.

The practice is also relevant to branded residences, where buyers expect the service and refinement of a luxury hotel but require spaces capable of functioning as credible long-term homes.

Pierre-Yves Rochon belongs in Tier I because of its exceptional hospitality record, institutional continuity, global project visibility, historical sensitivity, and influence on the enduring visual language of grand luxury hotels.

Yabu Pushelberg

• Headquarters: Toronto / New York
• Founded: 1980

Yabu Pushelberg is a multidisciplinary studio working across interiors, architecture, hospitality, residential design, retail, furniture, lighting, and product development. Its projects are characterized by strong spatial narratives, carefully controlled materials, sculptural form, and an emphasis on how people emotionally experience an environment.

The studio has worked internationally with hotel operators, developers, luxury brands, restaurateurs, and private clients. Its ability to move between large hospitality properties, intimate restaurants, private residences, retail environments, and product collections gives the practice unusually broad influence.

Yabu Pushelberg’s approach often avoids overt displays of luxury. Atmosphere is developed through proportion, texture, light, circulation, custom furniture, and the gradual revelation of spaces. This makes its work particularly relevant to clients seeking refinement without relying on conventional decorative signals.

Its Toronto and New York studios support an international practice spanning North America, Europe, Asia, and the Middle East. The organization has also developed sufficient institutional depth to execute major projects while preserving the founders’ recognizable creative direction.

Yabu Pushelberg belongs in Tier I because of its global reach, multidisciplinary capabilities, hospitality influence, product-design strength, and continuing ability to create contemporary luxury environments with both emotional and operational depth.

Kelly Wearstler

• Headquarters: Los Angeles, United States
• Founded: 1995

Kelly Wearstler has developed one of the most recognizable design identities in contemporary American luxury. Her studio works across private residences, hotels, restaurants, retail, furniture, lighting, textiles, objects, and broader lifestyle collaborations.

The practice is known for expressive combinations of stone, metal, ceramics, sculptural furniture, vintage pieces, bold color, graphic form, and work by artists and independent makers. Interiors frequently possess the character of assembled collections rather than standardized decorative schemes.

Wearstler’s hospitality projects have been particularly influential in demonstrating that luxury hotels can possess strong visual authorship without sacrificing comfort or commercial appeal. Her work with Proper Hotels and other lifestyle properties has contributed to a broader movement toward locally informed, residentially layered hospitality.

The studio’s furniture, lighting, and object collections extend its influence beyond commissioned interiors. This cross-disciplinary activity also provides the practice with direct experience in designing pieces capable of carrying the identity of a wider spatial environment.

Kelly Wearstler belongs in Tier I because of her international cultural recognition, highly distinctive design language, influence across hospitality and residential interiors, support for collectible design, and ability to translate an authored aesthetic into a substantial luxury business.

Martin Brudnizki Design Studio

• Headquarters: London / New York
• Founded: 2000

Martin Brudnizki Design Studio is one of the leading international practices in hospitality, restaurant, private-club, and lifestyle design. Its work is associated with richly layered interiors, decorative confidence, bespoke furniture, strong color, and environments designed to support memorable social experiences.

The studio employs specialists across interior design, architecture, lighting, product design, and art consultancy. This structure allows it to develop projects from early spatial concepts through custom details and final atmosphere while addressing the operational requirements of demanding hospitality clients.

Its portfolio includes collaborations with Four Seasons, Rosewood, Belmond, Six Senses, The Dorchester, Annabel’s, Fortnum & Mason, celebrated restaurateurs, and private residential clients. These projects demonstrate an ability to interpret different locations and institutions rather than reproducing a fixed decorative formula.

Martin Brudnizki’s work is particularly relevant as hospitality increasingly influences private residential and branded-residence design. His interiors combine visual richness with comfort, sociability, durability, and an understanding of how guests move through and remember a space.

Martin Brudnizki Design Studio belongs in Tier I because of its international hospitality influence, institutional scale, distinctive creative voice, craft capabilities, and importance to the contemporary revival of expressive, highly decorative luxury interiors.

---

Tier II — Established International Ultra-Luxury Interior Design Studios

Tier II recognizes internationally established studios with substantial private-client, hospitality, development, or specialist-sector capabilities. These firms possess strong creative reputations and the infrastructure required to deliver consequential projects across major luxury markets.

(Alphabetical order)

1508 London

• Headquarters: London, with studios across Europe, the Middle East, Asia, and the Americas
• Founded: 2010

1508 London is a global interior design and architecture practice working across private residences, branded residences, hospitality, residential development, and superyachts. Its network includes studios in London, Dubai, Singapore, Bangkok, Hong Kong, São Paulo, and Miami.

The firm provides architecture, interior design, technical design, furniture and finishes, procurement, site monitoring, installation, and handover. This end-to-end structure is valuable to developers and private clients seeking a single practice capable of maintaining design continuity through complex implementation.

Its portfolio includes super-prime London properties, international branded residences, hotel environments, large private homes, and yacht projects. The studio’s work typically emphasizes architectural coherence, restrained materiality, customized detailing, and sensitivity to the location and intended user.

1508 London belongs in Tier II because of its international studio network, turnkey execution capability, developer relationships, cross-sector portfolio, and strong relevance to globally mobile private clients.

André Fu Studio

• Headquarters: Hong Kong
• Founded: 2000

André Fu Studio is one of Asia’s most internationally recognized luxury interior-design practices. Its portfolio encompasses hotels, restaurants, private residences, clubs, retail environments, galleries, and product collaborations across Asia, Europe, and other global markets.

The studio is associated with understated luxury, spatial calm, architectural clarity, and the careful balancing of Asian and European references. Its work frequently relies on proportion, tactility, light, and controlled transitions rather than conspicuous ornament.

Projects including The Upper House in Hong Kong and collaborations with leading international hospitality groups have helped establish André Fu as an important interpreter of contemporary Asian luxury. The practice also works across furniture, lighting, and lifestyle products, allowing its design language to extend beyond individual interiors.

André Fu Studio belongs in Tier II because of its regional authority, international recognition, hospitality expertise, cultural fluency, and ability to create refined environments that avoid both generic internationalism and superficial cultural symbolism.

Cabinet Alberto Pinto

• Headquarters: Paris, France
• Founded: 1972

Cabinet Alberto Pinto is one of the most established names in international private-client decoration. The Paris studio has worked on substantial residences, palaces, hotels, yachts, private aircraft, offices, and other highly customized environments for clients around the world.

The firm is known for an eclectic approach capable of drawing from European classicism, Art Deco, Orientalist traditions, contemporary design, and regionally specific decorative languages. Projects are tailored closely to the architecture, collections, and lifestyle of individual clients rather than organized around a single restrictive style.

Following Alberto Pinto’s death, the practice continued under Linda Pinto’s leadership. This continuity has allowed the studio to preserve its decorative knowledge, artisan relationships, archives, and private-client culture while undertaking new international commissions.

Cabinet Alberto Pinto belongs in Tier II because of its longevity, extraordinary range of private luxury work, expertise across land, sea, and air, and enduring position within the tradition of highly personalized European decoration.

Champalimaud Design

• Headquarters: New York, United States
• Founded: 1981

Champalimaud Design is a New York-based studio specializing in luxury hospitality, residential interiors, preservation, restoration, and property-wide design narratives. Its work frequently begins with the history, architecture, location, and social identity of a property.

The practice provides interior design, master planning, exterior concept direction, art consulting, procurement, programming, styling, and selected marketing support. This breadth allows it to shape both the visual environment and the way a hospitality property communicates its identity.

Its international portfolio includes landmark hotels, resorts, residences, and renovations associated with major luxury operators. Projects such as Raffles Singapore demonstrate the studio’s ability to modernize operating properties while respecting architectural and cultural continuity.

Champalimaud Design belongs in Tier II because of its long hospitality record, narrative approach, preservation expertise, international portfolio, and ability to combine institutional execution with the atmosphere of a boutique studio.

David Collins Studio

• Headquarters: London, United Kingdom
• Founded: 1985

David Collins Studio is an established interior architecture and design practice working across hospitality, private residential, retail, maritime, furniture, and product design. The studio has played an important role in shaping the modern identity of London’s luxury restaurants, bars, hotels, and fashion environments.

Its work combines architectural discipline with color, crafted surfaces, tailored furniture, and an understanding of how lighting and materiality influence social atmosphere. Significant projects have included restaurants and bars such as The Wolseley and The Connaught Bar, as well as international hotels, residences, fashion retail, and the interiors of Cunard’s Queen Anne.

The studio continued after David Collins’s death in 2013 through an established leadership and design team. Its institutional continuity demonstrates that the practice possesses an enduring methodology and culture extending beyond the founder’s personal authorship.

David Collins Studio belongs in Tier II because of its four-decade history, hospitality influence, organizational continuity, luxury-brand experience, and ability to deliver detailed interiors across multiple project categories.

Dimorestudio

• Headquarters: Milan, Italy
• Founded: 2003

Dimorestudio is a Milan-based practice working across interiors, architecture, furniture, lighting, textiles, installations, and collectible design. Founded by Britt Moran and Emiliano Salci, the studio has developed one of the most recognizable contemporary Italian design languages.

Its interiors often combine historical furniture, saturated color, unexpected materials, modern art, theatrical lighting, and references extending from Italian modernism to more experimental cultural sources. The resulting spaces are deliberately atmospheric and rarely reducible to a conventional luxury formula.

Dimorestudio’s influence extends through private residences, hotels, restaurants, retail projects, exhibitions, and Dimoremilano’s product collections. Its Milan base also places the practice within an unusually deep ecosystem of furniture production, fashion, architecture, and specialist craft.

Dimorestudio belongs in Tier II because of its creative originality, influence within collectible design, international project recognition, and ability to connect interiors with the wider culture of contemporary Italian design.

Jean-Louis Deniot

• Headquarters: Paris, France
• Founded: 2000

Jean-Louis Deniot operates an international interior architecture and design practice specializing in private residences, hospitality properties, residential developments, and bespoke furniture. His projects span apartments, villas, townhouses, estates, yachts, and large-scale luxury developments.

The studio’s work combines classical proportion, architectural symmetry, historical references, custom materials, and contemporary restraint. Interiors are frequently developed through layered neutral palettes and carefully calibrated decorative details rather than adherence to a single period style.

Deniot is particularly relevant to globally mobile private clients seeking a cultivated European design language capable of working across different architectural and geographic settings. The firm’s development work also demonstrates an ability to translate highly personalized luxury into larger residential contexts.

Jean-Louis Deniot belongs in Tier II because of his international private-client standing, architectural control, substantial project record, and ability to deliver recognizable sophistication without reducing every commission to the same visual formula.

Joseph Dirand Architecture

• Headquarters: Paris, France
• Founded: 1999

Joseph Dirand Architecture works across private residences, hotels, restaurants, fashion retail, yachts, furniture, and broader architectural commissions. The studio is recognized for a highly controlled approach to proportion, light, stone, volume, and material transitions.

Dirand’s interiors frequently draw from French modernism and the precision of architects such as Carlo Scarpa, while maintaining a contemporary sense of restraint. Marble, plaster, timber, metal, and bespoke furniture are used to establish architectural rhythm rather than as isolated signs of expense.

The firm’s portfolio includes The Surf Club in Miami, luxury fashion environments, prominent Paris restaurants, international residences, and yacht design. Its furniture practice reinforces the relationship between architectural composition and individually designed objects.

Joseph Dirand Architecture belongs in Tier II because of its exceptional design influence, architectural authorship, luxury-fashion relevance, international private-client portfolio, and contribution to the contemporary language of refined minimalism.

Liaigre

• Headquarters: Paris, France
• Founded: 1985

Liaigre is one of the most influential names in understated international luxury. Founded by Christian Liaigre, the studio established a design vocabulary based on proportion, natural materials, muted color, crafted furniture, and disciplined architectural simplicity.

The practice works across private residences, hospitality, yachts, restaurants, clubs, and furniture design. Many projects are conceived as complete environments in which architecture, interior detailing, furniture, lighting, and art are coordinated through a highly restrained material language.

Liaigre’s influence extends beyond its own commissions. Its approach helped define the modern conception of quiet luxury adopted by private residences, hotels, fashion companies, and other designers internationally.

The studio has maintained its identity beyond its founder’s direct leadership through an established creative organization, international client base, furniture collections, and network of showrooms.

Liaigre belongs in Tier II because of its lasting creative influence, private-client credibility, craftsmanship, cross-sector experience, and unusually coherent contribution to contemporary luxury design.

Winch Design

• Headquarters: London, United Kingdom
• Founded: 1986

Winch Design is a multidisciplinary studio specializing in superyachts, private aviation, residential architecture, and commercial luxury environments. The practice employs more than 150 people across yacht, aviation, architecture, visualization, and procurement functions.

The firm began with sailing-yacht design before expanding into motor yachts, aircraft, and private properties. This evolution reflects the relationships of ultra-high-net-worth clients whose requirements may extend across homes on land, at sea, and in the air.

Yacht and aviation commissions require exceptional coordination. Interiors must address engineering, safety, weight, movement, durability, storage, maintenance, regulatory compliance, and crew operations while still delivering the individuality expected of a private residence.

Winch Design belongs in Tier II because of its institutional scale, specialist technical expertise, direct relevance to ultra-high-net-worth lifestyles, employee-owned structure, and ability to coordinate exceptionally complex bespoke environments across land, sea, and air.

---

Tier III — Distinguished Ultra-Luxury Interior Design Studios

Tier III recognizes influential studios with strong specialist capabilities, distinctive creative identities, or important regional and sector positions. Many operate at a more selective scale than the higher-tier firms, enabling substantial direct involvement by their founders and principals.

(Alphabetical order)

Atelier AM

• Headquarters: Los Angeles, United States
• Founded: 2002

Atelier AM is a highly selective residential practice founded by Alexandra and Michael Misczynski. The studio is known for private homes combining architectural restraint, antiques, historical objects, natural materials, and carefully edited contemporary art.

Its projects frequently possess a sense of permanence that avoids both decorative excess and impersonal minimalism. Plaster, stone, timber, aged surfaces, custom furniture, and quietly significant objects are composed to make newly developed interiors feel established over time.

The studio maintains an unusually discreet public profile, consistent with its emphasis on major private residential commissions. Its work demonstrates the importance of judgment and editing in a market where the accumulation of expensive materials can easily overwhelm architectural clarity.

Atelier AM belongs in Tier III because of its exceptional residential reputation, private-client focus, command of antiques and art, and ability to produce deeply considered interiors with a distinctive atmosphere of quiet permanence.

Bryan O’Sullivan Studio

• Headquarters: London / New York, with an office in Kenmare
• Founded: 2013

Bryan O’Sullivan Studio is an international practice working across private residences, hotels, restaurants, bars, maritime projects, and furniture design. Its London and New York studios support projects across Europe and North America, while its Irish presence reinforces the founder’s regional connections.

The studio’s hospitality portfolio includes work at Claridge’s, The Connaught, The Berkeley, and The Maybourne Riviera. These commissions require sensitivity to established hotel identities as well as the confidence to introduce new spaces capable of becoming recognizable institutions in their own right.

Its residential and maritime projects employ natural materials, antiques, custom furniture, curving forms, and references to mid-century European glamour. The studio also produces furniture and lighting developed through its commissioned interiors.

Bryan O’Sullivan Studio belongs in Tier III because of its rapid international development, prominent hospitality work, private residential and maritime capabilities, and successful combination of contemporary comfort with historically informed glamour.

Denniston

• Headquarters: Kuala Lumpur, Malaysia
• Founded: 1983

Denniston is a multidisciplinary architecture and design practice led by Jean-Michel Gathy. The firm specializes in high-end hospitality and provides master planning, architecture, interior design, and landscape-related services.

Its portfolio includes projects for Aman, Four Seasons, Cheval Blanc, One&Only, Park Hyatt, St. Regis, Capella, and other international luxury operators. Major projects span urban hotels, remote resorts, private villas, and destination properties across Asia, the Middle East, Europe, and the Americas.

Denniston’s importance lies in its ability to shape complete hospitality environments rather than isolated interiors. Arrival, landscape, architecture, guest circulation, private villas, public rooms, and relationships with climate and terrain are developed as parts of a unified destination experience.

Denniston belongs in Tier III because of its four-decade operating history, exceptional luxury-resort portfolio, Asia-based international influence, multidisciplinary capability, and contribution to the architectural language of contemporary destination hospitality.

Francis Sultana

• Headquarters: London, United Kingdom, with strong ties to Malta
• Founded: 2009

Francis Sultana operates an interior design practice closely connected to contemporary art, collectible furniture, and specialist craft. The studio undertakes private residences and other select commissions for an international clientele.

Sultana’s experience within the gallery and design worlds informs interiors in which significant artworks and commissioned objects are treated as integral components of the spatial composition. Furniture, textiles, metalwork, cabinetry, and decorative objects are frequently developed specifically for individual projects.

The practice’s relationship with artists, designers, collectors, and fabricators is particularly valuable where clients seek interiors capable of supporting important collections without resembling conventional galleries.

Francis Sultana belongs in Tier III because of his art-world access, collectible-design expertise, highly personalized residential practice, and ability to integrate contemporary art and bespoke furnishings into coherent private environments.

Gilles & Boissier

• Headquarters: Paris, France
• Founded: 2004

Gilles & Boissier is a Paris-based interior architecture and design studio founded by Dorothée Boissier and Patrick Gilles. The firm works across private residences, hotels, restaurants, boutiques, yachts, branded residences, and corporate environments.

The studio approaches architecture, furniture, materials, and accessories as components of a single design system. Its projects frequently combine strong architectural lines with warm materials, sculptural furniture, and a dialogue between French decorative traditions and contemporary restraint.

Its international portfolio and Paris showroom reinforce the relationship between commissioned interiors and the studio’s own furniture and object designs. This model allows the practice to carry a consistent material and formal language from the scale of a room to individual pieces.

Gilles & Boissier belongs in Tier III because of its international luxury portfolio, holistic approach, furniture capabilities, Paris design identity, and relevance across private residential and hospitality markets.

Humbert & Poyet

• Headquarters: Monaco
• Founded: 2008

Humbert & Poyet is an interior architecture practice founded by Emil Humbert and Christophe Poyet. Based in Monaco, the studio specializes in ultra-luxury residences, hotels, restaurants, retail, and selected maritime projects.

Its work combines architectural geometry, noble materials, custom furniture, metalwork, stone, and decorative references drawn from European modernism and Riviera culture. The practice is capable of producing interiors that feel glamorous while remaining spatially controlled.

The studio’s Monaco location provides direct proximity to important residential, hospitality, yacht, and private-client markets. Its international work includes luxury residences, Beefbar locations, Belmond’s Coquelicot barge, and the developing Mandarin Oriental Vienna.

Humbert & Poyet belongs in Tier III because of its strong regional position, international hospitality activity, architectural expertise, and ability to connect Monaco’s luxury ecosystem with a broader contemporary European design language.

India Mahdavi

• Headquarters: Paris, France
• Founded: 2000

India Mahdavi is an architect and designer whose studio works across interiors, furniture, objects, hospitality, retail, residences, and artistic collaborations. She has developed one of the most recognizable uses of color and form in contemporary international design.

Her projects frequently combine saturated color, geometric pattern, curved furniture, tactile surfaces, and a sense of visual play. This approach challenges the assumption that luxury must be expressed through subdued palettes or historical formality.

Mahdavi’s influence extends beyond completed interiors through furniture editions, objects, exhibitions, fashion collaborations, and installations. Her work demonstrates how a designer can create a coherent cultural identity across architecture, product, and visual communication.

India Mahdavi belongs in Tier III because of her exceptional creative recognition, influence on contemporary color and hospitality design, multidisciplinary practice, and ability to create interiors with immediate emotional and cultural presence.

Joyce Wang Studio

• Headquarters: Hong Kong / London
• Founded: 2011

Joyce Wang Studio works across hospitality, restaurants, private residences, wellness spaces, and collectible furniture. Its position between Hong Kong and London gives the practice direct relevance to clients and projects spanning Asian and European luxury markets.

The studio’s interiors are known for cinematic composition, custom detailing, tactile materials, carefully managed sightlines, and a strong interest in how users move through a sequence of spaces. Furniture and lighting are frequently designed specifically for each commission.

Its portfolio includes work for Mandarin Oriental, Mott 32, The Arts Club, Equinox, private residences, and other lifestyle clients. These projects demonstrate an ability to combine operational understanding with a highly authored atmosphere.

Joyce Wang Studio belongs in Tier III because of its cross-cultural position, hospitality expertise, material intelligence, and distinctive ability to create immersive contemporary interiors across Asian and Western markets.

Katharine Pooley

• Headquarters: London, United Kingdom
• Founded: 2004

Katharine Pooley leads a London-based studio specializing in private residences, country houses, chalets, villas, yachts, aviation environments, hospitality spaces, and international turnkey commissions.

The practice provides interior architecture, design, procurement, bespoke furniture, installation, and final styling. This comprehensive model is relevant to clients who require properties to be delivered fully resolved across multiple countries and asset types.

Its aviation and maritime experience adds important technical depth. Private terminals, lounges, aircraft-related spaces, and yacht interiors must address regulation, security, durability, operational circulation, and privacy while maintaining the qualities of a refined residential environment.

Katharine Pooley belongs in Tier III because of the studio’s international private-client orientation, turnkey capabilities, land-sea-air portfolio, substantial craft network, and experience delivering polished environments for highly demanding clients.

NICOLEHOLLIS

• Headquarters: San Francisco, United States
• Founded: 2002

NICOLEHOLLIS is a San Francisco-based interior design studio working across private residences, hotels, resorts, restaurants, wellness environments, and furniture. Its projects are concentrated in the United States while extending to selected international locations.

The studio brings together interior designers, interior architects, and furniture designers, working closely with artists, architects, builders, and specialist craftspeople. Its interiors frequently use strong natural materials, contemporary art, custom furniture, and carefully controlled contrast.

The practice has significant residential depth alongside hospitality projects including Kona Village, 1 Hotel Hanalei Bay, and Rosewood Sand Hill. This combination supports an approach in which private homes benefit from operational sophistication while hotels acquire a more individualized residential character.

NICOLEHOLLIS belongs in Tier III because of its established U.S. luxury position, institutional studio structure, art and furniture integration, and credible capabilities across high-end residential and hospitality projects.

Rose Uniacke

• Headquarters: London, United Kingdom
• Founded: 2009

Rose Uniacke is a designer, gallerist, furniture creator, and antiques specialist whose practice encompasses major private residences, listed buildings, corporate environments, and selected yacht projects.

Her background in restoration and antiques informs a design approach based on architectural proportion, natural light, material quality, and careful editing. Interiors often combine historic furniture, modern design, custom pieces, and restrained architectural interventions.

The wider business includes Rose Uniacke Editions, fabric and paint collections, restored antiques, collectible furniture, and several London retail spaces. These activities give the practice direct control over many of the objects, surfaces, and materials used within commissioned projects.

Rose Uniacke belongs in Tier III because of her influence on quiet luxury, restoration knowledge, international private-client portfolio, furniture and textile capabilities, and ability to create calm interiors possessing both historical depth and contemporary clarity.

Studio Peregalli

• Headquarters: Milan, Italy
• Founded: 1998

Studio Peregalli was established by Roberto Peregalli and Laura Sartori Rimini, both of whom worked with the influential Italian architect and decorator Renzo Mongiardino. The studio carries forward a tradition of historically informed, atmospheric decoration while developing its own body of work.

Its projects include private residences, palazzi, apartments, villas, restaurants, and culturally significant interiors across Europe and the United States. Rooms may incorporate painted architecture, elaborate textiles, carved wood, mosaic, antiquarian references, and custom work by specialist artisans.

The practice’s historical language is not based on assembling generic antiques. Projects are developed through research into architecture, place, period, light, and the imagined history of an interior. The result is often theatrical, but controlled by substantial knowledge of proportion and decorative tradition.

Studio Peregalli belongs in Tier III because of its scholarly depth, exceptional artisan network, international private-client standing, and distinctive ability to create new interiors that possess the emotional density of inherited historic environments.

Studio Shamshiri

• Headquarters: Los Angeles, United States
• Founded: 2016

Studio Shamshiri is a Los Angeles-based architecture and interior design practice co-founded by Pamela Shamshiri. The studio works across private residences, restoration, hospitality, retail, and selected commercial environments.

Pamela Shamshiri’s background in production design and art direction contributes to interiors with strong narrative and cinematic qualities. The practice is particularly respected for restoring architecturally significant homes while making them suitable for contemporary family life.

Its portfolio includes properties associated with architects such as Rudolph Schindler, A. Quincy Jones, Myron Hunt, and Stanford White, alongside new collaborations with contemporary architectural firms. This work requires judgment concerning what to preserve, reinterpret, or introduce.

Studio Shamshiri belongs in Tier III because of its restoration expertise, cultural intelligence, Los Angeles design position, and ability to combine architecture, narrative, furniture, and art within highly individualized environments.

Studio Sofield

• Headquarters: New York, United States
• Founded: 1996

Studio Sofield is a multidisciplinary practice founded by William Sofield to integrate architecture, interior design, landscape, furniture, and related design disciplines. The studio maintains a deliberately controlled scale to preserve direct senior oversight.

Its work spans private residences, luxury retail, residential developments, hotels, clubs, furniture, and complete architectural commissions. Longstanding relationships with Tom Ford and other luxury clients demonstrate the studio’s ability to translate personal or corporate identity into physical environments.

Studio Sofield’s projects are known for substantial architecture, crafted detailing, material intelligence, and interiors intended to improve with use and age. Its work on major residential developments also demonstrates an ability to extend private-house quality into larger urban projects.

Studio Sofield belongs in Tier III because of its architectural depth, design longevity, luxury-brand relationships, multidisciplinary capabilities, and unusually holistic approach to interior, building, and landscape.

Tara Bernerd & Partners

• Headquarters: London, United Kingdom
• Founded: 2002

Tara Bernerd & Partners is a London-based interior architecture practice working across hotels, resorts, restaurants, branded residences, private homes, and luxury residential developments. Its team covers interior architecture, creative direction, furniture, finishes, and project execution.

The studio’s work combines architectural planning with a relaxed and residentially influenced form of contemporary luxury. Materials, furniture, and spatial layouts are developed to make hotels and developments feel sophisticated without becoming excessively formal.

Its client base includes Rosewood, Four Seasons, Belmond, Six Senses, St. Regis, Mandarin Oriental, major developers, and private clients. This experience gives the practice a strong understanding of hospitality operations, brand requirements, development timelines, and international delivery.

Tara Bernerd & Partners belongs in Tier III because of its institutional scale, hospitality relationships, branded-residence capabilities, international portfolio, and ability to deliver individually characterized luxury projects across multiple markets.

---

Remarks

Ultra-luxury interior design cannot be evaluated through a single aesthetic standard. A historically layered Milanese residence, minimalist Paris apartment, expressive Los Angeles hotel, Asian urban retreat, Mediterranean resort, and technically complex superyacht may each represent exceptional design while relying on substantially different creative principles.

Studio size is also not determinative. Large practices may offer greater technical depth, procurement infrastructure, geographic reach, and continuity during multiyear projects. Smaller ateliers may provide more direct access to a founder and a level of personal authorship that would be difficult to reproduce within a large organization.

Public project visibility must be interpreted carefully. Hospitality, retail, and branded-residence studios can usually publish identified projects. Private residential practices may be contractually prohibited from revealing their most consequential work. A quiet public portfolio may therefore reflect client discretion rather than limited activity.

Clients should distinguish visual authorship from execution capability. An appealing concept does not by itself demonstrate that a studio can coordinate architecture, engineering, budgeting, procurement, fabrication, installation, regulation, and contractors across several years. Conversely, substantial operational capacity does not guarantee the creative judgment required for a singular private residence.

Before appointing a studio, clients should evaluate relevant project experience, principal involvement, fee structure, scope boundaries, procurement arrangements, contractor relationships, insurance, intellectual-property terms, confidentiality, budget governance, change-control processes, and responsibility for installation and defects.

References should be considered in relation to comparable assignments. A studio celebrated for restaurants may not be the appropriate choice for a historically protected estate, just as a residential decorator may lack the technical infrastructure required for a superyacht, international hotel, or complex branded development.

This ranking does not constitute an architectural assessment, procurement recommendation, property valuation, construction opinion, or guarantee of project performance. Clients should appoint qualified legal, architectural, engineering, cost, security, insurance, and project-management professionals appropriate to the location and complexity of their commission.

As private wealth becomes more international and luxury environments become more technically demanding, the strongest studios are expected to be those capable of combining creative authorship with discretion, architectural intelligence, craft knowledge, operational discipline, and credible long-term execution.

---

Recognition

Organizations included in the Ranking News Top 30 Ultra-Luxury Interior Design Studios 2026 ranking may request information regarding authorized use of the Ranking News designation for marketing and communications purposes.

Recognized institutions may reference the designation in:

• corporate websites
• investor communications
• marketing materials
• client presentations

Ranking inclusion is editorially determined and independent of licensing, advertising, or commercial participation. Recognition-materials licenses govern only the use of official Ranking News / Wealth Ranking assets, approved wording, and related communications materials.

Licensing inquiries:
[email protected]