What ANTONINI Architecte & Associés does

ANTONINI Architecte & Associés is a Paris-based French architecture firm that was rebranded in 2019 from its predecessor Antonini Darmon & Associés. The firm operates with a small team of approximately 6-8 professionals, including three partners (Laetitia Antonini, Pascal Chalier, and Ludivine Mansion) and four architects, supported by an administrative assistant. The firm provides architectural services spanning housing, offices, educational facilities, public equipment, and research infrastructure, with a documented specialization in sustainable construction, low-carbon buildings, urban rehabilitation, and heritage-sensitive renovation techniques including wood construction, hempcrete, and straw bale methods. Its work has earned multiple environmental certifications (HQE, E+C-, BREEAM, LEED, DGNB) and the firm has accumulated a portfolio of 50+ completed and ongoing projects across France (Paris, Nantes, Lyon, Montpellier, Gennevilliers, Nanterre, Mérignac, Ris-Orangis) and Switzerland (Emmenbrücke/Lucerne).

The firm's revenue model is based on professional services fees derived from project-based commissions, secured through competitive public tenders and direct commissions from private developers. Clients include major French real estate developers (Bouygues Immobilier, Vinci Immobilier, Nexity, Icade, Quartus Résidentiel, bpd Marignan) and public/governmental institutions (EPAURIF, RIVP, Total, INED, universities). Project construction values cited in source materials range from €2.1M to €34.25M, with architecture fees implied as a percentage of construction cost per standard industry practice. Distribution occurs via competitive public procurement processes and direct relationships with private developers, supplemented by collaborative partnerships with peer firms (Afaa Architectes, Leibar & Seigneurin, Roubaud Architectes, L. Paillard). The firm also operates a jointly-controlled subsidiary structure called SLOO, a GIE (Economic Interest Grouping) created in November 2020 with Roubaud Architectes specifically dedicated to rehabilitation and complex projects.

The firm's go-to-market is sales-led and relationship-driven, anchored in winning architectural competitions and competitive tenders, with marketing primarily executed through project portfolio presentation, industry awards, and social media presence. Notable strategic expansions include the formation of SLOO to formalize its rehabilitation specialization, entry into the Swiss market via the Lucerne/Emmenbrücke project, and high-profile competition wins including Total@Saclay (2019), Grand Hall E.N.S. rehabilitation for EPAURIF (2021), and the Cardinal Lemoine parking-to-housing conversion (2021). The firm carries no external investment, parent company, or disclosed funding rounds in the available data.

Name

ANTONINI Architecte & Associés

Legal name

Antonini Architecte & Associés

Website

https://antonini.archi

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

ANTONINI Architecte & Associés is a Paris-based French architecture firm with 6 employees providing sustainable architectural design for housing, offices, education, and public infrastructure, serving major private developers (Bouygues, Vinci, Nexity, Icade) and public institutions across France and Switzerland.

Ownership category

akta.pro rank

Product category

Architectural Services

NAICS

Architectural Services (541310)

SIC

Services-Engineering, Accounting, Research, Management (8700)

akta.pro primary industry

Architectural Design Services (BPAHAKAA)

akta.pro secondary industries

Residential Design-Build & Renovation-Integrated Builders (IMAFABAE), Interior Design Services (BPAHAKAB)

Keywords

• Architectural design services
• Sustainable building design
• Urban rehabilitation
• Residential architecture
• Public facility design

Headquarters

HQ city

Paris

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Architecture and Design Services: Professional services revenue from architectural design, urban planning, and project management for construction projects. Revenue is project-based, derived from competitive tenders and direct commissions from public and private clients.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

ANTONINI Architecte & Associés is a Paris-based architecture firm providing comprehensive architectural design, urban planning, and project management services for new construction and rehabilitation projects. The firm serves real estate developers, public institutions, and corporate clients across France and Switzerland, with specializations in sustainable low-carbon construction, urban renewal, heritage-sensitive renovation, and conversions of obsolete structures. Project fees are derived from competitive tenders and direct commissions, with project values typically ranging from €2.1M to €34.25M.

Product overview

ANTONINI Architecte & Associés is a French architecture firm offering comprehensive architectural services across residential, office/commercial, educational, and public facility sectors. The firm's portfolio includes both new construction and rehabilitation projects, with a notable focus on sustainable and low-carbon building approaches. Their major projects include housing developments (Cardinal Lemoine, Oiseau des Îles, Vilgénis), office and research facilities (Total@Saclay, Elements, INED), educational institutions (ESMA, Ecole bleue), and public equipment (Halle de sport, Médiathèque). The firm also operates SLOO, a subsidiary dedicated to rehabilitation and complex projects.

Differentiator

Problem solved

Functional benefit

Products and services

• Housing and Residential Architecture
• Office and Commercial Architecture
• Educational Facility Design
• Rehabilitation and Renovation Transformation, renovation, and extension of existing buildings including parking-to-housing conversions, office-to-residence conversions, heritage building restoration, and vertical extensions.
• Public Equipment and Urban Facilities

Quantifiable outcome

• 50+ completed projects across France and Switzerland

Named customers10 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Four partnerships are on record, tiered core and minor.

• ROUBAUD ArchitectescoreStrategic or Co-development PartnerStrategic partnership for joint project development, particularly the creation of SLOO, a dedicated structure for rehabilitation and complex projects. SLOO is a GIE (Economic Interest Grouping) created by ROUBAUD & ANTONINI ARCHITECTES.
• Afaa ArchitectesminorStrategic or Co-development PartnerCo-architect on Ilot Fontenay project in Lyon with Antonini Architecte as lead.
• Leibar & SeigneurinminorStrategic or Co-development PartnerCo-architect coordinator for macrolot on Logements route de Toulouse project in Bègles.
• L. PaillardminorStrategic or Co-development PartnerCo-architect with Antonini Architecte on Résidence étudiante Crous project.

Scale indicators3 records

Recent moves1 record

Broad incumbents

• MVRDV: Dutch architecture firm known for sustainability-led, mixed-use urban projects including dense housing and adaptive reuse. Comparable on low-carbon design language and urban densification themes.
• Renzo Piano Building Workshop: Internationally established practice with cultural, educational, and research-facility portfolios. Competes with ANTONINI on institutional clients (universities, research centers) and sustainability credentials, but at significantly larger scale and budget.
• BIG (Bjarke Ingels Group): Internationally recognized Danish architecture firm with strong sustainability credentials and large-scale residential, educational, and public-equipment projects. Overlaps with ANTONINI on sustainability-driven, mixed-program typologies but operates at much larger scale.

Direct peers

• Dominique Perrault Architecture: Paris-based practice with mixed residential, cultural, and urban-infrastructure work, including major rehabilitation projects in France. Comparable on urban renewal, mixed-use housing, and public-institutional commissions.
• Architecture-Studio: Paris-based architecture firm of comparable scale with mixed residential, educational, and cultural portfolios across France and internationally. Directly comparable on French public-tender work and multi-unit housing projects.
• Wilmotte & Associés: Paris-based architecture practice with strong cultural, residential, and urban-revitalization work, including rehabilitation and sustainability-led projects across France. Comparable client base (public institutions, developers) and project typology.
• Triptyque Architecture: Paris-based firm focused on sustainable, low-carbon, and bio-based construction (wood, hempcrete) with residential and commercial portfolios. Closely aligned with ANTONINI's sustainable materials and rehabilitation specialization.
• LDA Architectes: French architecture firm with significant social-housing, rehabilitation, and public-equipment portfolios. Comparable on client segments (RIVP-type public landlords, municipalities) and project scale.
• Jakob + MacFarlane: Paris-based firm with innovative, sustainability-oriented architecture spanning rehabilitation, mixed-use, and cultural projects. Comparable on urban conversion and design-led sustainability positioning.
• Atelier Madec: French firm specializing in sustainable and ecological architecture, including low-carbon housing, rehabilitation, and bio-based materials. Closely comparable on ANTONINI's core sustainability and housing strengths.

Market position

Strengths4 records

Weaknesses4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/antoniniarchitecte
• LinkedInlinkedin.com/company/antonini-architectes-associes
• Instagraminstagram.com/antonini_architecte_associes_

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries1 record

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 ANTONINI Architecte & Associés