Pierre Antoine Gatier

What Pierre Antoine Gatier does

Pierre Antoine Gatier is a privately held architecture practice headquartered in Paris (23 rue du Mail, 75002) that specializes in the restoration and conservation of protected historic monuments. Founded by Pierre-Antoine Gatier, who concurrently serves as Architecte en Chef des Monuments Historiques (ACMH) and Inspecteur Général des Monuments Historiques (IGMH), the firm operates through statutory government appointments that grant exclusive access to French national-heritage commissions. Its portfolio includes marquee projects such as the Domaine de Chantilly (2005-2020), Bourse de Commerce (2020), ongoing Eiffel Tower conservation (since 2017), Opéra Comique, Villa Médicis and Palazzo Farnese in Rome, and the restoration of 40 buildings in the UNESCO World Heritage historic center of Jeddah, Saudi Arabia.

The firm employs approximately 45 collaborators — architects, heritage architects, art historians, and landscape architects — and has developed a distinctive methodology for the restoration of 20th-century experimental architecture, particularly reinforced-concrete and metal structures, formalized through the founder's 2019 doctorate at Université Paris-Est and disseminated via teaching at the Centre des Hautes Études de Chaillot. Its technical offering spans historical research, archive analysis, structural health assessment, regulatory-compliant intervention design, and construction supervision.

Commercially, the firm generates revenue through project-based professional service fees paid by public-sector clients (Centre des Monuments Nationaux, French Ministry of Culture, local authorities, and international heritage institutions) under government commission structures. Pricing is per-project and not publicly disclosed. Go-to-market is exclusively direct: the firm does not advertise or bid competitively but is appointed to monuments through official designations. Visibility is maintained through peer-reviewed publications, conference presentations at INHA, Sorbonne, EPFL Lausanne, and the Getty Trust, and professional teaching — a reputation-led, sales-light model with no commercial distribution channels.

Name

Pierre Antoine Gatier

Legal name

Pierre-Antoine Gatier

Website

http://gatier.fr

Company type

Private

Founded year

1991

Operating status

Operating

Headcount range

11–50 employees

Short description

Pierre Antoine Gatier is a Paris-based architecture practice specializing in restoration of protected historic monuments for French government institutions and international heritage bodies, with marquee mandates on the Eiffel Tower, Domaine de Chantilly, Bourse de Commerce, and UNESCO sites in Rome and Jeddah.

Ownership category

akta.pro rank

Product category

Heritage Architecture Services

NAICS

Architectural Services (541310), Architectural, Engineering, and Related Services (5413)

SIC

Services-Engineering Services (8711)

akta.pro primary industry

Historic Preservation & Conservation Planning (BPAHAKAH)

akta.pro secondary industries

Plaster Installation & Restoration (Traditional & Veneer) (HSAPAHAE), Stone Masonry Repair & Restoration (HSAGALAJ)

Keywords

• Heritage restoration services
• Monument conservation
• Historic architecture
• Cultural heritage consulting
• 20th century architecture restoration

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, Infrastructure

Revenue model

1. Architectural Professional Services: Revenue generated through professional architecture fees for monument restoration projects commissioned by French government institutions, public monuments authorities, and cultural heritage organizations. Projects include restoration studies, project management, and construction supervision for protected historic monuments.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Pierre Antoine Gatier is an architecture firm providing heritage monument restoration and conservation services. The firm delivers architectural studies, project management, and construction supervision for protected historic monuments, with specialized expertise in 20th-century experimental architecture, including reinforced concrete and metal structures. Services include historical analysis, archive document review, existing conditions assessment, pathology identification, and implementation of restoration work respecting original materials and techniques, commissioned primarily by French government institutions and international heritage organizations.

Product overview

Pierre-Antoine Gatier is an architecture firm specializing in historic monument restoration, founded in 1991. The firm offers comprehensive heritage conservation services including historical analysis, structural health assessment, and restoration work. Key projects include the Domaine de Chantilly (2005-2020), Bourse de Commerce (2020), Tour Eiffel (since 2017), Opéra Comique (since 2009), Villa Médicis (since 2013), Palais Farnèse (since 2018), and conservation of 40 buildings in Jeddah's UNESCO World Heritage site. The firm has developed specialized methodology for 20th-century architecture restoration, particularly reinforced concrete and metal structures, and provides academic teaching through the Centre des Hautes Études de Chaillot.

Differentiator

Problem solved

Functional benefit

Products and services

• Heritage Monument Restoration Services Comprehensive architectural services for the restoration and conservation of historic monuments, including historical analysis, archive document review, structural health assessments, pathology identification, regulatory compliance integration, intervention strategy definition, and construction supervision. The service is delivered under official government appointments to French public heritage institutions and international cultural heritage organizations.
• 20th Century Architecture Restoration Specialized restoration methodology for modern heritage structures, particularly those constructed using reinforced concrete and metal, including experimental architecture of the 20th century. Developed through doctoral research and teaching at the Centre des Hautes Études de Chaillot, this offering addresses the recognition of materials and pathologies specific to modern architectural production.
• Academic Teaching and Training Programs Education and training programs delivered at the Centre des Hautes Études de Chaillot and ENSAP Paris-Belleville, covering the history and restoration of reinforced concrete and metal in heritage buildings. Programs serve heritage architecture students and professionals, building the firm's reputation and influence in the heritage conservation field.

Named customers3 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

One partnership is on record.

• Centre des Monuments Nationaux (CMN)coreStrategic or Co-development PartnerLong-standing institutional partnership with CMN for restoration of numerous national monuments including Domaine de Chantilly, Bourse de Commerce, Tour Eiffel, Opéra Comique, and other CMN-managed heritage sites. The firm serves as appointed architect for multiple CMN monuments.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Market position

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Customer concentration

• Xtwitter.com/gatieracmh?lang=fr
• LinkedInlinkedin.com/company/pierre-antoine-gatier

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 Pierre Antoine Gatier