3a Architectes Associés

What 3a Architectes Associés does

3a Architectes Associés was a Marseille-based architectural practice operating as a Société par Actions Simplifiée (SAS), founded in 2001 and led by Philippe Vesco (President) and Isabella Tallo (General Director). Over its 23-year operating history, the firm delivered approximately 40 projects concentrated in the PACA region — specifically across six departments — in healthcare, education, social housing, and public facilities segments. As a small practice with 5 employees at cessation, the firm operated as a regional B2G/B2B consultancy competing in public-sector architectural mandates rather than the broader commercial real-estate market.

The firm ceased active operations on July 23, 2024, with no disclosed acquisition, restructuring vehicle, or continuation vehicle. Subsequently, the corporate website has been repositioned as a free informational portal for individuals and construction professionals in the PACA region. The platform aggregates curated datasets — a PLU (urban planning) database covering 266 communes, an architect directory listing 3,316+ architects across 212 communes, and a heritage database indexing 2,605 monuments — alongside five construction calculators, a BTP glossary of 52 terms, and editorial articles.

The business model has effectively collapsed into a passive content distribution play: all portal assets are exposed free of charge with no visible advertising, subscription, lead fees, or transaction commissions. The underlying technology stack is a standard CMS-based website with embedded calculation tools. There is no disclosed proprietary technology, no AI/ML capability, no patents, and no partnership or distribution agreements attached to the portal. The entity currently functions as a static lead-generation and SEO asset rather than an active operating business.

Name

3a Architectes Associés

Legal name

3A Architectes Associés

Website

https://3a-architectes-associes.fr

Company type

Private

Founded year

2001

Operating status

Closed

Headcount range

1–10 employees

Short description

3a Architectes Associés was a Marseille-based architecture practice that delivered roughly 40 public-sector projects across PACA before ceasing operations in July 2024. Its website now operates as a free resource portal offering an architect directory, PLU and heritage databases, and construction calculators.

Ownership category

akta.pro rank

Product category

Regional Architecture Resources Portal

NAICS

Architectural Services (541310)

SIC

Services-Facilities Support Management Services (8744)

akta.pro industry

PRIMARYBPAHAKAA

Architectural Design Services

Business & Public Services/Professional Services (Legal, Accounting, Consulting)/Architecture, Design & Planning Services

Keywords

• Regional architecture portal
• Construction calculators
• PLU database
• Architect directory
• Heritage database

Headquarters

HQ city

Marseille

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Digital Commerce or Content

Cost components

Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure

Revenue model

1. Lead Generation / Referral Services: The company generates value through its architect directory and free tools (calculators, PLU database, magazine content) which drive traffic and facilitate connections between property owners seeking architectural services and architects in the PACA region. The revenue model appears to be based on generating qualified leads and referrals within the regional architecture and construction ecosystem.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

3A Architectes Associés historically delivered architecture services (design and construction supervision for healthcare, social housing, educational and public buildings in PACA) under a SAS structure. Following its cessation of business activities in July 2024, the associated digital platform has been repurposed to deliver a regional architecture and construction resource portal combining free BTP calculators, a PLU database for 266 communes, an architect directory of 3,316+ professionals, a heritage monuments database, and an editorial magazine covering eco-construction, renovation and Mediterranean design.

Product overview

The 3A Architectes website is a unified web portal providing architecture and construction resources for the Provence-Alpes-Côte d'Azur region. The platform operates as a single integrated offering consisting of six interconnected modules: (1) Outils & Calculateurs BTP — a suite of 5 free online calculators for floor area, building footprint, DPE energy ratings, construction costs, and architect fees; (2) Urbanisme & PLU — an urban planning database for 266 PACA communes with zoning and regulatory information; (3) Annuaire Architectes PACA — a directory of 3,316+ architects across 212 communes; (4) Patrimoine PACA — a database of 2,605 heritage sites and protected monuments; (5) Le Magazine — an editorial platform with articles on eco-construction, renovation, materials, and Mediterranean design; and (6) Glossaire BTP — a glossary of 52 construction industry terms. The platform targets homeowners, construction professionals, and municipalities seeking guidance on building projects in southern France.

Differentiator

Problem solved

Functional benefit

Products and services

• Outils & Calculateurs BTP A suite of five free online construction and renovation calculators for users in the PACA region: floor area (surface de plancher), ground coverage with CES coefficient, DPE energy-class simulation, construction cost per m² by project type and location, and architect fee estimation by mission type and work amount. All calculators use official updated rates.
• Urbanisme & PLU An urban planning database providing PLU (Plan Local d'Urbanisme) regulations and zoning information for 266 communes across the six PACA departments, intended for property due diligence, planning checks and renovation projects.
• Annuaire Architectes PACA A searchable directory of more than 3,316 architecture professionals across 212 communes in the six PACA departments, filterable by department and commune, allowing users to compare architects, verify coverage and request quotes.
• Patrimoine PACA A reference database of 2,605 protected monuments and heritage sites in the PACA region, including 2,390 Monuments Historiques and 215 ACR (Architecture Contemporaine Remarquable) labeled sites, intended for architects and property owners dealing with heritage buildings.
• Le Magazine BTP Region Sud An editorial magazine covering architecture and construction topics for the South of France, including eco-construction, renovation costs, Mediterranean style, materials, façade choices, extensions, renovation subsidies and practical project guides for PACA property owners.

Segments4 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators6 records

Recent moves7 records

Expansion highlights3 records

Broad incumbents

• Houzz: Global home renovation and design platform with an architect/firm directory, cost guides, and idea books. Comparable to 3A as a discovery + lead-generation layer connecting property owners with design professionals, though at vastly greater scale and breadth.
• Batiactu: French online construction and real estate news portal covering building projects, regulations, and tools. Comparable to 3A as a content-led French construction ecosystem serving professionals and property owners.
• ArchDaily: Leading global architecture media platform publishing projects, products, and industry news. Comparable to 3A's magazine and content-marketing function targeting architecture-interested property owners and professionals.
• Le Moniteur: Major French B2B construction and real estate media outlet covering regulations, projects, and industry data. Comparable to 3A's editorial coverage of construction, regulation, and PACA market information.

Direct peers

• ForumConstruire: French consumer forum and resource site for home building and renovation, featuring cost calculators, project cost databases, and architect/builder directories. Directly comparable to 3A's tools-plus-community model.
• Archiproducts: Architecture and design product/materials platform with strong French and European coverage, blending editorial content with directory-style product discovery. Comparable as a content-and-discovery ecosystem serving architects and property owners.
• Côté Maison: French home, decoration, and architecture editorial brand with cost calculators and inspiration content for renovation and construction projects. Overlaps with 3A's magazine and tools offering for French homeowners.
• Faire-construire-son-logement.fr: French consumer-facing portal for new home construction and renovation with cost guides, calculators, and architect/firm directories. Closest direct comparable to 3A's lead-generation and tools model in the French market.
• Permis de Construire: French portal providing urban planning information, PLU/regulatory data, and project guidance for property owners. Comparable to 3A's PLU database and regulatory resource modules for the PACA region.

Regional players

• L'architecture de votre région (CAUE network): French network of regional architecture, urbanism, and environment councils offering public-facing advice, document libraries, and heritage resources. Comparable as a regional architecture information ecosystem for property owners in France.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/3a-architectes-associes

Revenue estimate

Valuation estimate

Number of profiles

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 3a Architectes Associés