ATELIER TLPA

What ATELIER TLPA does

ATELIER TLPA (legal entity: Tristan la Prairie Architecte) is a private architecture, landscape, and urban planning firm founded in 2012 by Tristan la Prairie, headquartered in Brest, Brittany, France. The practice employs 13 staff across the three disciplines and operates across Brittany, primarily in Finistère and progressively extending into Morbihan and Côtes d'Armor. Its service portfolio spans architectural design (collective and individual housing, healthcare facilities, cultural and educational buildings), pre-operational urban studies for municipalities, and landscape design — the latter typically delivered in partnership with Onésime Paysage. The firm is differentiated by a participatory design methodology (co-conception) that integrates future inhabitants and local communities into project conception through workshops, public walks, and model-making sessions, alongside expertise in bio-sourced construction (wood frame, straw insulation, cellulose wadding) and renewable energy integration (photovoltaic tiles and canopies).

The firm's revenue model is professional services fees, structured as a percentage of construction cost for architectural commissions or fixed fees for urban studies, with projects acquired predominantly through public procurement (appels d'offres) and direct commissions from municipalities, intercommunalities, and social housing providers (HLM operators such as Le Logis Breton, Aiguillon Construction, BMH, and Armorique Habitat). The client base is concentrated in the Breton public sector. Complementary revenue streams include self-published books ('Acadie, vers une alliance créative', 'Premières aventures'), branded merchandise via the 'Les lieux qui nous répondent' online store, and public dialogue events (Les Cafés de l'espace) organized with the Objectif Mars association. The firm has no external institutional investors, no parent company, and a social capital of €20,000, indicating a founder-led organic-growth practice.

Recent strategic positioning reflects an attempt to extend beyond traditional architecture into urban-scale energy infrastructure (the 2024 Sotraval photovoltaic canopy market across 13 Brest metropolitan parking lots), codify methodology through publication, and build brand surface through merchandise and research — all while maintaining a regional Brittany focus. The firm has received regional recognition including the 2024 COOP'HLM Trophée Originalité des Usages for the Acadie project and Prix Architecture Bretagne finalist nominations.

Name

ATELIER TLPA

Legal name

Tristan la Prairie Architecte

Website

https://ateliertlpa.com

Company type

Private

Founded year

2012

Operating status

Operating

Headcount range

11–50 employees

Short description

ATELIER TLPA is a 13-person architecture, landscape, and urban planning firm in Brest, France, serving Breton municipalities and social housing providers through participatory design and bio-sourced sustainable construction.

Ownership category

akta.pro rank

Product category

Architectural and Urban Planning Services

NAICS

Landscape Architectural Services (54132)

SIC

General Bldg Contractors - Residential Bldgs (1520)

akta.pro primary industry

Community Engagement & Participatory Planning (BPAHAKAO)

Keywords

• Architecture services
• Urban planning studies
• Landscape architecture
• Participatory design
• Sustainable construction

Headquarters

HQ city

Brest

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Architecture and Urban Planning Services: TLPA generates revenue through fees for architectural design, urban planning studies, and landscape architecture services. Projects are acquired through public procurement (appels d'offres) and direct commissions from municipalities, social housing providers, and public institutions. Revenue is project-based, typically calculated as a percentage of construction costs or fixed fees for urban studies.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels7 records

Core offering

ATELIER TLPA is an architecture, landscape, and urban planning firm that designs residential, collective, and public buildings; delivers pre-operational and strategic urban studies for municipalities; and integrates landscape architecture into urban projects. The practice is distinguished by its participatory co-design methodology involving future residents and stakeholders, and by its specialization in bio-sourced construction (wood frame, straw insulation, cellulose) and renewable energy integration (photovoltaic tiles, parking canopies).

Product overview

ATELIER TLPA is a multi-disciplinary architecture, landscape, and urban planning firm based in Brest, France. The firm operates across three core service lines: Architecture Services (designing residential, commercial, and public buildings), Urban Planning Studies (strategic studies for municipalities), and Landscape Design. The practice is distinguished by its participatory design methodology (co-conception) involving residents in project development. Beyond core services, the firm publishes books documenting its projects and research under the 'Les lieux qui nous répondent' imprint, maintains an online merchandise store, and organizes public dialogue events ('Les Cafés de l'espace'). The portfolio spans social housing, healthcare facilities, cultural buildings, and public spaces across Brittany and neighboring departments.

Differentiator

Problem solved

Functional benefit

Products and services

• Architecture Services

Quantifiable outcome

• Two projects featured in 'Architecture Frugale en Bretagne' publication
• +2 more outcomes

Named customers8 records

Segments3 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

Eight partnerships are on record, tiered core and minor.

• Onésime PaysagecoreStrategic or Co-development PartnerRegular partnership on urban studies and landscape design projects. Onésime Paysage serves as mandataire (lead partner) on several joint projects including urban studies for various Breton municipalities. Long-standing collaborative relationship on integrated urban and landscape projects.
• ArteliacoreStrategic or Co-development PartnerEngineering and consultancy firm partnering on urban studies and public space projects. Collaborated on Haut de Jaurès urban study and other complex projects requiring multi-disciplinary expertise.
• Aiguillon ConstructioncoreChannel Partner/ Reseller/ DistributorMajor social housing developer and construction company in Brittany. Long-standing partnership on numerous housing projects including individual houses, collective housing, and mixed-use developments across multiple communes.
• Le Logis BretoncoreChannel Partner/ Reseller/ DistributorSocial housing cooperative (HLM) based in Quimper. Partnership on the Acadie project - an innovative co-constructed housing development that has received national recognition.
• BMA (Brest Métropole Aménagement)coreStrategic or Co-development PartnerUrban development agency for Brest Métropole. Collaboration on urban renewal projects including Gouesnou îlot mairie, 'Ma maison en ville' demonstrators, and other metropolitan development initiatives.
• BMH (Brest Métropole Habitat)coreChannel Partner/ Reseller/ DistributorSocial housing provider for Brest Métropole. Partnership on social housing projects including the 40-unit collective housing project at Kerlinou.
• Armorique HabitatminorChannel Partner/ Reseller/ DistributorSocial housing provider. Partnership on housing project at Le Conquet (macro-lot with 5 housing units in Schuman district).
• SotravalminorImplementation/ SI/ Consulting PartnerParking infrastructure operator for Brest Métropole. TLPA won a market with Akajoule (mandataire) to design photovoltaic canopies for 13 parking lots managed by Sotraval.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Atelier Madec: Landscape architecture and urban planning practice led by Philippe Madec, focused on sustainable landscapes and ecological urbanism. Directly comparable to TLPA's landscape-and-urbanism service line and its sustainability positioning.
• Encore Heureux: Paris-based architecture studio co-founded by Nicola Delon and Julien Boursier, recognised for participatory architecture and circular/sustainable construction. Most directly comparable to TLPA in ethos and methodology — both use co-conception processes and have won national awards for engaging inhabitants in design.
• Dominique Coulon Architecte: Small French architecture firm based in Alsace, recognised for public buildings (schools, cultural, housing) and featured in major awards. Comparable to TLPA in scale and concentration on public-sector commissions.
• TETRARC: Architecture firm based in Nantes (Pays de la Loire, neighbouring Brittany) with a similar scale and multi-disciplinary ethos, working across public commissions, housing, and urban projects in western France.
• Tolila+Gilliland: French architecture practice with a strong focus on sustainable construction and wood/bio-sourced materials across public and residential projects. Comparable to TLPA on the technical/material side of sustainable building practice.
• Construire: Small French architecture firm delivering public, social-housing and educational projects with a craft and contextual-design approach. Comparable to TLPA in scale, public-client focus, and project typology.

Broad incumbents

• Architecture-Studio: Major French architecture practice with global footprint, delivering cultural, public and urban projects. Overlaps with TLPA's architecture and urban-planning services but operates at an entirely different scale and international scope.
• ANMA (Agence Nicolas Michelin & Associés): Larger French architecture and urban-planning practice with a broad portfolio of public, housing and infrastructure projects across France. Comparable in offering breadth (urbanism + architecture) but at a significantly larger scale than TLPA.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@ateliertlpa1549
• Facebookfacebook.com/profile.php
• LinkedInlinkedin.com/company/atelier-tlpa

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 ATELIER TLPA