What D + B Interior Design Studio does

D+B Interior Design Studio is a French interior architecture and design firm founded in 2015 and headquartered in Paris with a secondary office in Nice. The studio is co-led by Sandra Demuth (interior architect/designer with product design and furniture expertise) and Caroline Béné-Combes (interior architect/DPLG with architectural training), whose complementary skill sets form the core service proposition. The firm serves B2B clients in the hospitality sector as its primary vertical, alongside commercial real estate, coliving, healthcare, and corporate workspaces; named enterprise customers include Accor, Hyatt, Hilton, Radisson, LP Promotion, Sodexo, Centre Henri Becquerel, and Roche Bobois.

The studio delivers project-based interior architecture and design services spanning spatial planning, FF&E selection, product design, and final styling for hotel renovations, new builds, restaurants and bars, spa and wellness spaces, coliving developments, and business centers. Technology use is limited to standard portfolio website infrastructure (hosted by 1&1 IONOS) and social channels; there are no proprietary software, AI, or platform assets. The firm has also extended into product design through two licensed furniture editions: the MOVED collection by Sandra Demuth (Roche Bobois edition) and the INSIDE armchair (Perrouin Sièges edition).

Commercially, D+B operates as a privately held SAS (Société par Actions Simplifiée) with €6,000 of share capital and no external investors or funding rounds on record. Revenue is generated exclusively through professional services fees quoted per project based on scope and complexity, with billing typically structured as multi-year contracts aligned to design-and-construction timelines. Go-to-market is sales-led through direct client relationships and recurring architecture co-development partnerships with ORY Architectes, CBA Architectes, and ERADES BOUZAT Architectes, who act as referral/subcontracting channels for projects requiring structural architectural scope.

Name

D + B Interior Design Studio

Legal name

D+B INTERIOR DESIGN

Website

https://dplusb-id.com

Company type

Private

Founded year

2015

Operating status

Operating

Headcount range

1–10 employees

Short description

D+B Interior Design Studio is a Paris-based interior architecture studio co-founded in 2015 by Sandra Demuth and Caroline Béné-Combes, delivering project-based interior design and architecture services for hospitality chains (Accor, Hyatt, Hilton, Radisson), coliving developers, healthcare facilities, and commercial clients across France and select international markets.

Ownership category

akta.pro rank

Product category

Interior Design Services

NAICS

Interior Design Services (54141), Industrial Design Services (541420)

akta.pro primary industry

Interior Design Services (BPAHAKAB)

akta.pro secondary industries

Industrial/Product & Furniture Design (BPAHAKAM), Space Planning & Workplace Design (BPAHAKAI)

Keywords

• Interior design services
• Hospitality design
• Hotel renovation
• Commercial interior architecture
• Furniture design

Headquarters

HQ city

Paris

HQ country

France

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales

Revenue model

1. Interior Design and Architecture Services: Professional services revenue generated from interior architecture, interior design, and space planning projects for hospitality venues, restaurants, coliving spaces, and commercial properties. Projects include renovations and new constructions.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

D + B Interior Design Studio is a Paris-based interior architecture and design firm that delivers end-to-end design services for hospitality and commercial properties. The studio combines spatial design, custom furniture creation, and aesthetic conceptualization to produce tailored interiors for hotels, restaurants and bars, coliving spaces, business centers, and healthcare facilities. It also develops proprietary furniture collections that integrate directly into its interior design projects.

Product overview

D+B Interior Design Studio is an interior design and architectural firm founded in 2015 by Caroline Béné-Combes and Sandra Demuth, based in Paris and Nice, France. The studio offers a comprehensive portfolio of interior design services spanning hotel design and renovation, restaurant and bar design, spa and wellness space design, coliving and residential design, and business center design. The core offering centers on creating unique, context-driven spatial experiences with particular expertise in hospitality projects. In addition to design services, the studio has developed proprietary furniture collections including the MOVED Collection (Roche Bobois Edition) and the INSIDE Armchair (Perrouin Sièges Edition), representing product extensions beyond pure service offerings.

Differentiator

Problem solved

Functional benefit

Products and services

• Hotel Interior Design
• Restaurant and Bar Design
• Spa and Wellness Design

Quantifiable outcome

• Winner of Paris Shop & Design 2021 in Hôtel, Bar & Restaurant category with Jo&Joe Paris Nation project
• +2 more outcomes

Named customers10 records

Segments6 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Four partnerships are on record, tiered minor and core.

• ERADES BOUZAT ArchitectesminorStrategic or Co-development Partner · 1 January 2024Architecture partnership for the Marina Baie des Anges Hôtel project in Villeneuve-Loubet. Project partnership for this specific Curio Collection by Hilton property.
• ORY ArchitectescoreStrategic or Co-development Partner · 1 January 2015Architecture partnership on design projects. ORY Architectes worked with D+B on the Jo&Joe Paris Nation project. This is an ongoing collaborative relationship for projects requiring architectural services beyond interior design scope.
• CBA ArchitectescoreStrategic or Co-development Partner · 1 January 2015Architecture partnership for projects requiring structural architectural work. CBA Architectes collaborated on projects including Hyatt Place Rouen and Hôtel Radisson Blu Rouen. This is a recurring partnership for larger scale hotel renovations.
• 1&1 IONOSminorOthers · 1 January 2015Website hosting provider for dplusb-id.com. Standard hosting services for company website.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Others

• Roche Bobois: French luxury furniture house and editor of Sandra Demuth's MOVED collection. Partner/enabler rather than competitor — provides the industrial distribution channel that allows D+B's product design IP to reach consumers at scale.
• Perrouin Sièges: French seating manufacturer and editor of the INSIDE armchair designed by Sandra Demuth. Ecosystem partner similar to Roche Bobois — an industrial collaborator enabling D+B's product design arm.

Broad incumbents

• Tihany Design: Internationally recognized hospitality and restaurant interior design firm led by Adam Tihany. Comparable in the premium hospitality and F&B design space, with a much broader international portfolio and higher project-value scale.
• Hirsch Bedner Associates (HBA): Global hospitality interior design firm with multi-region capacity and chain-level preferred-vendor relationships. Represents the scaled competitor D+B is up against for international hotel chain rollouts.
• ForrestPerkins: US-based hospitality and lifestyle interior design firm serving luxury hotels and resorts. Comparable design-led approach to hospitality interiors but with a larger team, broader geographic footprint, and a stronger luxury-resort portfolio.

Direct peers

• Atelier Marais: Paris-based interior architecture studio working across hospitality, retail, and residential. Comparable boutique scale and French creative positioning, competing for similar operator-level interior design briefs.
• Laurent Maugoust Studio: Paris-based interior design studio with a hospitality and high-end residential portfolio. Comparable boutique scale and design-led approach, often competing on the same French boutique-hotel and F&B interiors work.
• ID.Associés: Paris-based interior architecture and design studio specializing in high-end hospitality, residential, and commercial projects. Most directly comparable to D+B — both founders worked there prior — and competes for the same French hotel and luxury property mandates.
• Pierre-Yves Rochon (PYR): Paris-based hospitality interior design firm with a strong international luxury hotel portfolio. Comparable to D+B in target customer (4–5 star hotel operators), service scope (FF&E, renovation, new build), and French creative signature.
• Studio Jean-Philippe Nuel: French interior architect and designer focused on hotel, serviced-apartment, and student-residence design. Direct competitor for chain hotel interior mandates in France and Europe, with similar boutique-firm positioning.

Market position

Competitive moat4 records

Key risks4 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/dplusb.id
• LinkedInlinkedin.com/company/id-associ%C3%A9s
• Instagraminstagram.com/dplusb.id

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about D + B Interior Design Studio