TH AVOCATS

What TH AVOCATS does

TH AVOCATS (legal entity THOMÉ HEITZMANN Société d'avocats) is a French boutique law firm founded in 2021 and headquartered in Rennes, with a secondary office in Paris. The firm is structured as a Société d'exercice libéral à responsabilité limitée (SELARL) with €266,000 share capital, registered with RCS Rennes under number 899 419 857. It is led by managing partners Romain Thomé and Sarah Heitzmann and operates with approximately 20 team members, including senior lawyers, collaborating lawyers, juristes, paralegals, administrative and bid-reference staff, and law students.

TH AVOCATS provides specialized legal counsel in public land law, expropriation, administrative police law, public domain management, and innovative real estate structuring (OFS, BRS). Its four core expertise areas are Action foncière et Aménagement, Montages immobiliers innovants, Domanialité – Immobilier public, and Environnement et polices administratives, applied across five practice domains: urban development, transport and mobility, tourism site development, natural space preservation and coastal risk, and regulated public services. Services are delivered in both advisory (conseil) and litigation (contentieux) modes through convention d'honoraires engagements with French public sector buyers (communes, EPCI, departments, regions, EPF d'État and EPF locaux) and private entities (SEM, enterprises, associations, individuals).

The firm's go-to-market relies on direct client engagement from its Rennes and Paris offices, thought leadership through a legal commentary blog, a LinkedIn presence, and training engagements at universities and bar schools. The trademarks THOME HEITZMANN and THAVOCATS are registered at INPI. In 2024, TH AVOCATS was ranked Leader in Maîtrise Foncière by Décideurs Magazine. The firm has no proprietary software platform, no disclosed AI capabilities, and no external funding.

Name

TH AVOCATS

Legal name

THOMÉ HEITZMANN Société d'avocats

Website

https://thavocats.fr

Company type

Private

Founded year

2021

Operating status

Operating

Headcount range

11–50 employees

Short description

TH AVOCATS is a French boutique law firm founded in 2021, specializing in public land law, expropriation, and administrative police, serving communes, EPCI, EPF, and private actors across France from offices in Rennes and Paris.

Ownership category

akta.pro rank

Headquarters

HQ city

Rennes

HQ country

France

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Others

Revenue model

1. Legal advisory and litigation services: The firm provides legal counsel and represents clients in both advisory (conseil) and contentious (contentieux) matters related to public land management, expropriation, urban planning, and environmental law. Revenue is generated through professional service fees, typically structured as honoraires (fee agreements) with clients, which is standard for French law firms serving public and private sector clients.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

TH AVOCATS is a French law firm specializing in public land law, expropriation, and territorial development. It delivers both advisory (conseil) and litigation (contentieux) services to public, para-public, and private actors across the French territory, covering land acquisition, preemption, expropriation, public domain management, innovative real estate vehicles (OFS, BRS), urban planning, environmental law, and administrative police matters. Engagements are formalized through convention d'honoraires fee agreements.

Product overview

TH AVOCATS (THOMÉ HEITZMANN) is a law firm providing specialized legal services for public land action, domain and heritage management. The firm operates as a unified practice with four core legal expertise areas: Action foncière et Aménagement (land action and development), Montages immobiliers innovants (innovative real estate arrangements), Domanialité – Immobilier public (public domain and real estate), and Environnement et polices administratives (environmental law and administrative police). These expertise areas are applied across five practice domains: Fabrique de la ville et aménagement (urban development), Transports et mobilités (transportation and mobility), Mise en valeur des sites touristiques (tourism site development), Préservation des espaces naturels et gestion des risques littoraux (natural space preservation and coastal risk management), and Services publics et activités réglementées (public services and regulated activities). Services are delivered through both advisory (conseil) and litigation (contentieux) for public, semi-public, and private actors.

Differentiator

Problem solved

Functional benefit

Products and services

• Action foncière et Aménagement Legal expertise covering expropriation, preemptive rights (droits de préemption), acquisitions, sales, land evaluation, commercial and agricultural eviction, servitudes, ORI, OPAH-RU, ORCOD-IN, EAM, BSM, resolution of substandard housing, and anti-squatting measures. Delivered to public actors (communes, EPCI, departments, regions, EPF) and private developers, enterprises, and associations across France.
• Montages immobiliers innovants Innovative real estate structuring including land/build dissociation tools, creation and management of Organismes Fonciers Solidaires (OFS), Baux Réels Solidaires (BRS), construction leases with reverse exit (baux à construction à sortie inversée), and emphyteutic leases with reverse exit (baux emphytéotiques à sortie inversée). Designed for public and private actors deploying innovative real estate vehicles in France.
• Domanialité – Immobilier public Public domain and public real estate legal services including public domain management, private domain management, domain occupation agreements (conventions d'occupation domaniales), leases, royalties, rents, evictions, notices, domain police, classification, declassification, and co-ownership. Targeted at public bodies and private owners dealing with French public land and public domain matters.
• Environnement, polices administratives, responsabilités, travaux publics et services publics Legal expertise in environmental law, administrative police (general administrative police, building safety/péril, insalubrity), special administrative police, public works, and public services, including liability matters. Provided to public bodies and private actors subject to French administrative and environmental regulation.
• Conseil et contentieux Legal advisory (conseil) and litigation (contentieux) services for public land strategies, land tools (expropriation, preemption, amicable acquisitions), and domain management (AOT, COT, leases, land reserves). Delivered to public, semi-public, and private actors across France; engagements are formalized through convention d'honoraires.

Quantifiable outcome

• Ranked as a leader in Maîtrise Foncière by Décideurs Magazine in 2024
• +1 more outcomes

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

Partnerships

One partnership is on record.

• Laboratoires des initiatives foncières innovantes (LIFTI)coreStrategic or Co-development PartnerRomain Thomé and Sarah Heitzmann, the firm's two managing partners, serve as members of the LIFTI legal committee. LIFTI is an organization focused on innovative land initiatives, and the firm's active participation in its legal committee reinforces TH Avocats' positioning as a thought leader in public land law and innovative land vehicles such as Organismes Fonciers Solidaires (OFS) and Bail Réel Solidaire (BRS).

Scale indicators2 records

Recent moves7 records

Direct peers

• Huglo Lepage & Associés: Well-established French law firm specializing in administrative, environmental, and urban planning law. Highly comparable to TH Avocats given its deep public law focus and similar clientele of public and para-public actors in France.
• Cabinet Capellia: French law firm with a public business law focus including regulatory, contractual, and administrative matters. Overlaps with TH Avocats on advising public and para-public entities on regulatory and contractual issues.
• Cabinet Barthélémy Avocats: French public law firm with strong practice in administrative litigation, urban planning, and expropriation. Direct peer in the same niche of advising public entities and landowners on regulatory and contentious matters.
• Rivière & Associés: French law firm with recognized public law and administrative law practice advising public and private clients. Comparable to TH Avocats on regulatory and litigation matters affecting public land, urban planning, and environment.
• Cabinet Gossement Avocats: French boutique law firm focused on environmental law and public administrative law, including land-use and environmental impact matters. Comparable to TH Avocats in serving public sector clients on regulatory and contentious environmental and urban planning issues.

Broad incumbents

• Bredin Prat: Major French business law firm with established public law and administrative litigation capabilities. A broader-scope incumbent able to bundle public law work with corporate, tax, and finance offerings for large public and private clients.
• Gide Loyrette Nouel: Major French/international law firm with a sizable administrative and public law practice alongside broader corporate, finance, and dispute resolution capabilities. Adjacent competitor that can field large multi-disciplinary teams on complex public infrastructure and urban projects.

Market position

Strengths5 records

Weaknesses1 record

Competitive moat4 records

Key risks1 record

Key highlights6 records

Customer concentration

• Xx.com/thavocats
• LinkedInlinkedin.com/company/th-avocats

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 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 TH AVOCATS