What In Situ Architectes does

In Situ Architectes is a privately-held architectural practice founded in 1980 in Nice, France, specializing in contextual architecture with a Mediterranean identity. The firm operates as a traditional professional services studio rather than a technology platform, delivering full-service architectural design across seven service categories: hotel architecture, residential housing (including social housing and student residences), mixed-use programs, public equipment, heritage rehabilitation, and urban renewal. The practice serves a diverse client base spanning government entities (Métropole Nice Côte d'Azur, Région PACA, Habitat 06, Mairie de Villefranche-sur-Mer), large real estate developers (BNP Paribas Immobilier, Vinci Côte d'Azur, Cogedim, Erilia, Groupe Gambetta), and institutional clients (Université Côte d'Azur, Office Public de l'Habitat Cannes), with the majority of work concentrated in the Nice metropolitan area and broader PACA region.

The team consists of 10 architects and one administrative and technical assistant, led by Gérant Sophie Nivaggioni and Associé Michel Benaïm. In 2023, the partnership structure expanded internally with the promotion of Florent Breton and Rudolf Eschelbacher to associated architects. The firm is differentiated by deep expertise in Mediterranean urban context, heritage rehabilitation of historic buildings (including 18th-century monuments), and sustainable/RE 2020-compliant construction, evidenced by five ArchiCOTE regional awards between 2013 and 2025 across rehabilitation, equipment, and collective housing categories.

Commercially, the firm generates revenue through professional services fees determined by competitive bidding in public procurement processes, negotiated direct commissions from private developers, and project management consultancies. The go-to-market is sales-led and relationship-driven, leveraging project portfolios, regional professional networks, and recurring client relationships. Notable joint venture partnerships on major infrastructure projects include the ESSIA groupement (underground tram station at Durandy), ISSA LINEA groupement (Nice-Saint-Laurent-du-Var cable car), and TRAM4WEST groupement (park-and-ride facility for Tram Line 4), each pairing In Situ Architectes with engineering firms such as Egis Rail, Ingérop, Systra, and MND for delivery of complex multi-stakeholder urban infrastructure.

Name

In Situ Architectes

Legal name

In Situ Architectes

Website

https://insitu06.com

Company type

Private

Founded year

1980

Operating status

Operating

Headcount range

1–10 employees

Short description

Privately-held French architectural practice founded in 1980 in Nice, delivering contextual Mediterranean design across residential, commercial, public infrastructure, heritage rehabilitation, and urban renewal projects for government entities and real estate developers in the Côte d'Azur region.

Ownership category

akta.pro rank

Product category

Architectural Design Services

NAICS

Architectural Services (54131), Architectural Services (541310)

akta.pro primary industry

Architectural Design Services (BPAHAKAA)

akta.pro secondary industries

Interior Design Services (BPAHAKAB), Architectural Reconfiguration & Structural Alterations (HSAPAEAB)

Keywords

• Architectural design services
• Heritage building rehabilitation
• Urban renewal projects
• Social housing architecture
• Public equipment design

Headquarters

HQ city

Nice

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Others

Revenue model

1. Architectural design services: Fees generated from architectural design, project management, and consultancy services for construction and renovation projects across residential, commercial, public, and mixed-use sectors

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

In Situ Architectes provides full-service architectural design for residential, commercial, public, and mixed-use projects across the Côte d'Azur region, covering renovations, restructurings, and new constructions. The firm specializes in Mediterranean contextual architecture, heritage rehabilitation, urban renewal, social housing, and public infrastructure (schools, tram stations, cable cars, gyms), delivering projects from conception through completion for public sector, social housing operators, and private real estate developers.

Product overview

In Situ Architectes is a traditional architectural practice founded in 1980 in Nice, France, offering comprehensive architectural design services rather than a software product. The firm specializes in context-driven architecture with a Mediterranean identity, providing services across six core categories: hotel architecture (Palais Saleya, Palais Ségurane, Résidence Berthemont-les-Bains), residential housing (social housing, student residences, mixed-tenure developments), mixed-use programs (Carré Vauban, Eden Roch Plaza, Siège Vinci), public equipment (schools, gyms, tram stations, cable cars), heritage rehabilitation (historic building conversions), and urban renewal (neighborhood-scale redevelopment). With a team of 10 architects, the agency handles renovations, restructurings, and new constructions across various building types including hotels, offices, cinemas, parking facilities, commercial spaces, and educational facilities, primarily in the Nice Côte d'Azur metropolitan area.

Differentiator

Problem solved

Functional benefit

Products and services

• Architectural Design Services Full-service architectural design covering project conception, contextual analysis, and urban integration for residential, commercial, and public buildings in the Mediterranean region. Targets public sector clients, social housing operators, and private developers across the Côte d'Azur.
• Hotel Architecture Specialized design for hotel establishments, including heritage rehabilitation and new construction, ranging from 4-star boutique hotels to large resort residences. Serves hotel owners and hospitality groups in the Côte d'Azur.
• Residential Housing Architecture Social housing, mixed-tenure developments, student residences, and adaptive housing for aging populations, incorporating diverse funding mechanisms (LLS, PSLA, PLS, PLUS-Plai). Targets social housing operators and private developers.
• Mixed-Use Program Architecture Complex urban projects combining residential, commercial, parking, and public facilities within single developments, often involving multiple stakeholders and phases. Targets developers and public clients requiring integrated urban solutions.
• Public Equipment Architecture Design of public infrastructure including sports facilities, educational buildings, tramway stations, cable cars, and community centers. Targets government agencies, municipalities, regional authorities, and public universities.
• Heritage Building Rehabilitation Restoration and conversion of historic buildings, including 18th-century monuments, while meeting contemporary comfort and accessibility standards. Targets heritage property owners, hospitality investors, and cultural institutions.
• Urban Renewal Architecture Large-scale neighborhood transformation projects involving demolition, reconstruction, public space creation, and environmental remediation. Targets municipalities, metropolitan authorities, and public housing operators undertaking neighborhood-scale redevelopment.

Named customers14 records

Segments3 records

Ideal customer profiles3 records

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Three partnerships are on record, tiered core.

• Groupement 'TRAM4WEST' (Egis Rail, Ingérop, Stoa, In Situ Architectes)coreStrategic or Co-development Partner · 1 January 2023Joint venture partnership for the construction of a 300-space park-and-ride facility as part of the Tram Line 4 project connecting Nice, Saint-Laurent-du-Var, and Cagnes-sur-Mer
• Groupement 'ISSA LINEA' (MND, Triverio, Systra, In Situ Architectes)coreStrategic or Co-development Partner · 1 January 2023Joint venture partnership for the design and construction of an 800m cable car line connecting Nice and Saint-Laurent-du-Var
• Groupement ESSIA (EGIS Rail, INGEROP, STOA, Atelier Schall, In Situ Architectes, Jean-Paul Gomis, Atelier Villes et Paysages)coreStrategic or Co-development Partner · 1 January 2019Joint venture partnership for the construction of the underground tram station at Durandy square on Line T2 of the Nice tramway

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Groupe-6: French architecture and urban planning firm working across healthcare, education, residential, and public infrastructure. Comparable in delivering French public-sector and mixed-use projects at a larger scale than In Situ.
• TVK: Paris-based architecture and urbanism practice focused on large-scale urban transformation, public space, and transport infrastructure. Comparable through shared interest in urban renewal and transit-oriented public equipment, the categories where In Situ is winning JV commissions.
• Reichen et Robert & Associés: French architecture firm with a strong portfolio in urban renewal, social housing, and public equipment. Comparable because it directly overlaps with In Situ's core segments — public-sector commissions, social housing, and Mediterranean-context urban regeneration projects.
• Atelier Madec (Philippe Madec): French architecture practice specializing in sustainable and contextual design, with heritage and public-equipment projects. Comparable to In Situ's Mediterranean-identity and sustainability (RE 2020) positioning within the French public-sector architecture market.
• Wilmotte & Associés: Established French architecture firm with national and international portfolio across cultural, residential, and mixed-use projects. Comparable as a French-headquartered practice operating in similar program categories (heritage, residential, public) at a larger scale, competing for the same public and private commissions.
• Architecture-Studio: Major French architecture firm with offices in Paris and abroad, active in cultural, educational, residential, and urban projects. Comparable as a full-service French practice competing for the same public and private sector commissions, particularly in the Mediterranean and public-equipment categories.
• LIN: Franco-German architecture firm working on urban systems, mobility hubs, and public infrastructure across Europe. Comparable in designing transit and public-equipment projects at a larger institutional scale, the same JV-driven space In Situ operates in.
• Richez Associés: French architecture and urban planning firm with deep involvement in Greater Paris and major French metropolitan projects. Comparable through shared emphasis on urban regeneration and public-sector architecture at a national scale.
• Jean-Paul Viguier et Associés: Established French architecture firm with a portfolio in commercial towers, mixed-use developments, and urban regeneration. Comparable as a French-headquartered full-service practice whose larger scale competes for the same developer-driven commissions In Situ serves.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/100057709177809
• LinkedInlinkedin.com/company/in-situ-benaim-nivaggioni-architectes

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 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 In Situ Architectes