Toa Architectes Associés

What Toa Architectes Associés does

Toa Architectes Associés is a privately held French architecture firm (SARL) founded in 1995 in Strasbourg by three ENSAIS classmates who had won the EUROPAN 3 competition in 1993. The firm is co-managed by original co-founder Thierry Maire (Strasbourg office) and Christelle Besseyre-Gayaud (Paris office, joined 2008), with additional partners Olivier (until 2022) and Pascal (until 2025) having departed, leaving two remaining partners at the Montreuil headquarters and Strasbourg office. The firm employs approximately 15 architects and support staff across two locations.

The firm offers full-service architectural design across six service lines: Urbanisme (urban planning), Logement (housing), Enseignement (education), Équipement (public facilities), Tertiaire (commercial/office), and Concours (competitions). A defining capability is sustainable and low-carbon construction, including raw earth (terre crue) construction using extruded bricks and pisé techniques in partnership with specialist firms such as BETerre and La briqueterie De Wulf (Entreprises du Patrimoine Vivant). The portfolio demonstrates certifications including HQE Bâtiment Durable, BBC Rénovation, BEPOS, E3C1/E3C2, Passive House, NF Habitat, and Cerqual Patrimoine Habitat & Environnement, with RT 2012 performance at 20–40% below regulatory baseline on multiple projects. Project construction costs range from approximately €1.47M to €30M, spanning schools, colleges, conservatories, EHPAD facilities, social housing, heritage conversions, and commercial centers across at least seven French regions.

The business model is project-based professional services. Fees are derived from construction cost (typically 5–15%), with multi-year contracts. The go-to-market is sales-led, centered on winning public-sector architecture competitions (concours) as either prime architect (mandataire) or associated architect. Public sector clients (municipalities, departmental and regional councils, public hospitals, social housing operators) dominate the book of business, complemented by a smaller base of private developer commissions. Services are delivered exclusively in France, and the firm does not maintain a digital marketing engine beyond a project portfolio website, LinkedIn, and Instagram, relying on competition wins, awards, and press coverage for visibility.

Name

Toa Architectes Associés

Legal name

toa | architectes associés

Website

https://toa-archi.com

Company type

Private

Founded year

1995

Operating status

Operating

Headcount range

11–50 employees

Short description

Toa Architectes Associés is a French architecture firm founded in 1995, specializing in sustainable, low-carbon construction including raw earth and wood, with offices in Paris and Strasbourg serving public-sector municipalities and private developers across France.

Ownership category

akta.pro rank

Product category

Architectural Services

NAICS

Architectural Services (54131), Interior Design Services (54141), Landscape Architectural Services (541320)

akta.pro primary industry

Architectural Design Services (BPAHAKAA)

akta.pro secondary industries

Interior Design Services (BPAHAKAB), Landscape Architecture & Site Design (BPAHAKAC)

Keywords

• Architectural design services
• Sustainable architecture
• Urban planning services
• Raw earth construction
• Public building design

Headquarters

HQ city

Montreuil

HQ country

France

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Others

Revenue model

1. Architecture and Design Services: Professional services revenue from architecture and urban planning projects. Projects range from 1.47M€ to 30M€ in construction cost. Revenue is generated through design studies, project management, and construction supervision services on public and private commissions.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Toa Architectes Associés is a French architecture firm delivering full-service architectural design across urban planning, housing, education, public equipment, tertiary/commercial, and competition projects. The firm specializes in eco-responsible and low-carbon construction, with particular expertise in raw earth (terre crue) and wood construction methods, delivering projects ranging from €1.47M to €30M in construction cost.

Product overview

TOA Architectes Associés is a French architecture firm offering comprehensive architectural design services. The firm operates across six main service areas: Urban Planning (Urbanisme), Housing (Logement), Education (Enseignement), Equipment (Équipement), Tertiary (Tertiaire), and Competitions (Concours). The company works on projects ranging from large-scale urban developments and school complexes to housing developments and public facilities, with a focus on eco-responsible and sustainable architecture. The firm has two offices in Paris and Strasbourg, serving clients throughout France.

Differentiator

Problem solved

Functional benefit

Products and services

• Architectural Design Services Full-service architectural design covering urban planning, housing, education, healthcare, commercial, and public facilities projects across France. Targeted at government entities and private developers.
• Urban Planning (Urbanisme) Large-scale urban development and planning projects including residential quarters, commercial zones, and public spaces, delivered for municipalities and developers.
• Housing (Logement) Residential housing projects including social housing, private apartments, student residences, and senior living facilities, delivered for housing operators and property developers.
• Education (Enseignement) School and educational facility design including primary schools, secondary schools, high schools, and educational complexes, delivered for public sector clients such as departments and municipalities.
• Public Equipment (Équipement) Public and community facilities including municipal buildings, healthcare facilities (EHPADs, hospitals), cultural centers, and commercial complexes delivered for public and private clients.
• Tertiary (Tertiaire) Commercial and office building projects including administrative centers, professional facilities, and commercial centers delivered for enterprises and government clients.
• Architectural Competitions (Concours) Architectural competition submissions and competition-winning designs for public and private sector projects.

Quantifiable outcome

• Raw earth bricks sourced from 80km from Paris, with damaged bricks recycled by manufacturer, achieving near-zero construction waste
• +2 more outcomes

Named customers8 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

17 partnerships are on record, tiered core and minor.

• Groupe GambettacoreStrategic or Co-development PartnerProperty developer client commissioning the 42-dwelling raw earth housing project in Bagneux. Groupe Gambetta specializes in social and intermediate housing development.
• OTE ingénierieminorImplementation/ SI/ Consulting PartnerEngineering partner on multiple projects including Conservatoire Huguette Dreyfus and Centre commercial La Vigie. Provides structural and technical engineering expertise.
• Bouygues Bâtiment Île-de-FrancecoreImplementation/ SI/ Consulting PartnerLead contractor (mandataire) for the €30M Collège ZAC du Moulon project. Bouygues is the prime construction partner with TOA as architect.
• BETerrecoreTechnology or IntegrationSpecialized engineering consultancy for earth construction. Partner on raw earth projects including Bagneux housing and Miriam Makeba school. Key technical partner for TOA's raw earth construction expertise.
• Blesch Cayre architectesminorStrategic or Co-development PartnerAssociated architect on Centre de formations des apprentis verriers competition and Logements Hôpital Villemin project.
• Reichen et Robert & AssociéscoreStrategic or Co-development PartnerLead architect on Centre Commercial Aubette (Strasbourg) and Centre commercial Porte Jeune (Mulhouse) where TOA serves as associated architect. Major Strasbourg-based architecture firm.
• Paris HabitatcoreStrategic or Co-development PartnerMajor Paris public housing operator commissioning the 47-dwelling project with gymnasium and garden in the 20th arrondissement. €8.09M project.
• RIVP (Régie Immobilière de la Ville de Paris)coreStrategic or Co-development PartnerParis public housing company commissioning the 112-bed EHPAD Résidence Charonne with nursery (€20.33M).
• Eiffage Construction AlsacecoreImplementation/ SI/ Consulting PartnerLead contractor (mandataire) for the €22.05M Cité Administrative de Colmar rehabilitation and extension project. Part of the Eiffage group.
• IngeropminorImplementation/ SI/ Consulting PartnerEngineering consultancy partner on Groupe Scolaire Gustave Doré project. Provides structural and infrastructure engineering.
• Capem ingénierieminorImplementation/ SI/ Consulting PartnerEngineering partner on EHPAD du Centre Hospitalier (Rouffach) project, providing technical engineering services.
• BET2CminorImplementation/ SI/ Consulting PartnerEngineering partner on the Hôpital Villemin conversion project in Nancy.
• Les Grands Moyens (SCOP)coreImplementation/ SI/ Consulting PartnerParis-based cooperative construction company (Société Coopérative et Participative) for raw earth brick installation on the Bagneux project. Represents TOA's commitment to local, engaged contractors.
• La briqueterie De WulfcoreTechnology or IntegrationBrick manufacturer in Allonnes, Oise (Entreprises du Patrimoine Vivant certified) supplying extruded raw earth bricks for TOA's Bagneux project. Over 100 years of traditional production methods.
• INDDIGOminorImplementation/ SI/ Consulting PartnerSustainable development consultancy on Collège ZAC du Moulon project, contributing to environmental certification requirements.
• C2BiminorImplementation/ SI/ Consulting PartnerEngineering partner appearing on multiple TOA projects including Groupe Scolaire Gustave Doré and EHPAD du Centre Hospitalier.
• David Besson PaysageminorImplementation/ SI/ Consulting PartnerLandscape architecture partner on Groupe Scolaire Miriam Makeba project, providing exterior and planted space design.

Scale indicators2 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• Wilmotte & Associés: Large established French architecture firm operating across housing, cultural, and public sectors. Comparable to TOA on sector mix but at materially larger scale and brand recognition.
• Patriarche: Major French architecture group with broad multi-sector practice including housing, public facilities, and commercial projects. Comparable to TOA on French project typologies, but at larger scale.

Direct peers

• Atelier Roland Schweitzer: Paris-based firm with a longstanding focus on sustainable architecture and social/affordable housing. Comparable to TOA on raw earth and bio-sourced experimentation plus public-sector housing delivery.
• Triptyque Architecture: French firm with a strong sustainable-design identity working across cultural, educational, and public-sector programs. Comparable to TOA on eco-responsible architecture positioning and competitive public commissions.
• DGT Architects: French architecture firm with a strong portfolio in cultural, educational, and public-facility projects. Comparable to TOA on French public-sector concours work and project typologies.
• AIA Life Designers: French architecture group focused on healthcare, education, and public facilities. Directly comparable to TOA on healthcare (EHPAD, hospital) and educational project delivery for French public-sector clients.
• LAN Architecture: Paris-based architecture firm with strong sustainable and low-carbon design credentials and significant public-sector commissions. Closely comparable to TOA on eco-responsible architecture positioning and project scale.
• Architecture-Studio: Major French architecture firm with comparable multi-sector public-sector practice across education, housing, and cultural buildings, and an international footprint. Directly comparable to TOA on concours-led public commissions and large institutional projects.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat2 records

Key risks5 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/toa-architectes-associ%C3%A9s/?originalSubdomain=fr
• Instagraminstagram.com/toa_architectes_associes/?hl=fr

Revenue estimate

Valuation estimate

Number of profiles

Profiles14 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 Toa Architectes Associés