IXO Architecture

What IXO Architecture does

IXO Architecture is a privately-held French architecture firm headquartered in Sélestat, Alsace, operating since at least 2002 with a headcount of 11-50 employees. The firm delivers architectural design, renovation, urban planning, and project management services across residential, educational, sports, commercial, healthcare, and public-sector building typologies, with a documented portfolio of 52 projects concentrated in eastern France (Alsace and Franche-Comté/Bourgogne-Franche-Comté). Its technical differentiator is specialization in sustainable construction: Passivhaus, BBC (Bâtiment Basse Consommation), THPE, and BEPOS (positive-energy) certified buildings, executed primarily in wood-frame construction (MOB/CLT) with bio-sourced insulation, exterior insulation systems, and integrated renewable energy components (photovoltaic, geothermal, wood pellet). The firm operates a project-based professional services revenue model, earning fees per commission through direct client engagement and participation in French public architectural competitions; pricing is quote-based and not publicly disclosed. Customers are predominantly French municipalities, intercommunalities, government agencies, universities, and a smaller set of private developers, social-housing operators, and corporate clients, with a recurring delivery consortium of specialist engineering partners (OTE, OTELIO, ESP, EGIS Bâtiment, INGENIERIE BOIS, among others) supporting multidisciplinary execution.

Name

IXO Architecture

Legal name

IXO Architecture

Website

https://ixo-architecture.fr

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

11–50 employees

Short description

IXO Architecture is a French architecture firm in Sélestat, Alsace, delivering sustainable design, renovation, and urban planning services with Passivhaus, BBC, and BEPOS certifications, primarily for public-sector clients in eastern France.

Ownership category

akta.pro rank

Product category

Architectural Services

NAICS

Architectural Services (54131), Architectural Services (541310)

akta.pro primary industry

Architectural Design Services (BPAHAKAA)

akta.pro secondary industries

Residential Design-Build & Renovation-Integrated Builders (IMAFABAE), Facilities Engineering (HVAC, Electrical, Plumbing) (EDALALAC)

Keywords

• Architectural design services
• Sustainable architecture
• Urban planning
• Eco-district development
• Public building design

Headquarters

HQ city

Sélestat

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. Architectural Design Services: Architecture firm providing design services for public and private construction projects including new construction, renovation, and urban planning. Revenue generated through professional architecture fees for design, project management, and construction supervision.

Distribution channels1 record

Marketing channels2 records

Core offering

IXO Architecture is an architecture firm providing comprehensive architectural design, renovation, and urban planning services for public and private sector clients. The firm specializes in sustainable, energy-efficient building design with certifications including Passivhaus, BEPOS, and BBC, using wood frame construction (MOB/CLT) and bio-sourced materials. Services span the full project lifecycle from architectural competition through execution, including project management and construction supervision.

Differentiator

Problem solved

Functional benefit

Products and services

• Architectural Design Services Comprehensive architectural design services including new construction, renovation, and urban planning projects across residential, educational, sports, commercial, and public sectors. Services span the full project lifecycle from competition/conception through execution, including project management and construction supervision. Targeted at public sector clients (municipalities, government, education) and private developers.
• Urban Planning and Eco-District Development Urban planning and eco-district master planning services for large-scale residential developments. The firm acts as architect-consultant for eco-district projects integrating sustainable design principles, with demonstrated experience at scale (350+ housing units). Targeted at public sector clients and private developers seeking sustainable community development.
• Sustainable Energy Building Design Specialized architectural design for energy-efficient and positive energy buildings meeting Passivhaus, BEPOS, and BBC certification standards. Incorporates renewable energy systems (photovoltaic panels, wind turbines, geothermal heat pumps), wood frame construction (MOB/CLT), and bio-sourced insulation materials. Targeted at public and private clients seeking sustainable construction solutions.
• Energy Renovation and Historic Building Restoration Architectural services for energy renovation, restructuring, and restoration of existing buildings including historic structures in protected zones. Incorporates passive solar protection, bio-sourced insulation (wood fiber), and thermal regulation improvements. Targeted at public institutions, universities, and municipal clients seeking to modernize existing facilities.

Quantifiable outcome

• Energy performance improvements: 30% below RT 2005 regulation for sports facilities
• +2 more outcomes

Named customers13 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

Feature3 records

Partnerships

Eleven partnerships are on record, tiered core, supporting and key account.

• OTE (Bureau d'Etudes Techniques)coreTechnology or IntegrationEngineering firm providing multidisciplinary engineering services (structure, fluids, environment) for construction projects. IXO works with OTE as BET pluridisciplinaire on various projects including the ADAPEI Resource Center and IPCB restructuring.
• OTELIO (BET Thermiques/Environnement)coreTechnology or IntegrationEngineering firm specializing in thermal and environmental engineering. Collaborated on Passivhaus/BEPOS projects for thermal/environmental consulting.
• ESP (Acousticien)supportingTechnology or IntegrationAcoustic engineering consultant providing acoustic treatment and design services for buildings including music rooms, sports facilities, and educational institutions.
• IG Consultant (BET Cuisine)supportingTechnology or IntegrationKitchen equipment engineering consultant providing specialized kitchen/catering facility design services for school canteens, restaurants, and sports facilities.
• EGIS BâtimentcoreTechnology or IntegrationMajor engineering group providing multidisciplinary engineering, economy, and project management services for housing developments.
• INGENIERIE BOIScoreTechnology or IntegrationWood structure engineering specialist providing expertise for timber frame construction projects including sports halls and educational buildings.
• SOVEC / ITECOkey accountStrategic or Co-development PartnerSOVEC is a company specializing in renewable energy and building automation systems. IXO designed SOVEC's headquarters as a demonstration project showcasing energy efficiency technologies.
• MP CONSEILsupportingImplementation/ SI/ Consulting PartnerProject management and coordination consultant providing pilot/monitoring services for construction projects.
• LOLLIER ingénierie (VRD)coreTechnology or IntegrationInfrastructure and external works engineering firm, particularly active in eco-district developments and sports facility projects.
• G. Milochau (Paysagiste)supportingTechnology or IntegrationLandscape architect providing exterior landscaping design for residential developments and public spaces.
• Studio MetasupportingTechnology or IntegrationWeb agency based in Strasbourg responsible for the design and development of IXO Architecture's website.

Scale indicators1 record

Recent moves5 records

Expansion highlights4 records

Direct peers

• Architecture-Studio: Major Paris-headquartered French architecture firm with comparable portfolio scale and broad typology coverage (cultural, educational, sports, housing, urban planning). Operates at a much larger headcount than IXO but competes for the same pool of French public-sector commissions.
• TANK Architectes: French architecture firm known for sustainable design, energy-efficient buildings and wood construction — closely aligned with IXO's Passivhaus/BEPOS specialization and bio-sourced material focus.
• ECDM Architectes: Paris-based French architecture firm with strong portfolio in housing, educational and public buildings, including sustainable and energy-renovation projects. Comparable in serving French municipalities and emphasizing contextual design.
• Archi5: French architecture firm with portfolio spanning public buildings, sports facilities, schools and housing. Comparable in mid-size French practice profile and typology mix served.
• BLP Architectes: French architecture practice focused on public-sector projects including educational facilities and sustainable construction. Comparable in working with municipalities on similar typologies and in emphasizing environmental performance.

Broad incumbents

• Valode & Pistre: Large French architecture firm with extensive public-sector and sustainable building portfolio. Comparable on regulatory-driven sustainability expertise and public client base, though operating at substantially larger scale.
• Wilmotte & Associés: Established French architecture practice with significant cultural, educational and housing portfolios. Comparable in operating across public and private sectors with multidisciplinary services, though at substantially larger scale and broader geographic reach than IXO.

Regional players

• Atelier Arche: French architecture practice working on educational, cultural and housing projects with sustainability emphasis. Comparable in project typology though operating in a different regional footprint than IXO's Alsace base.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/ixo.architecture
• LinkedInlinkedin.com/company/ixo-architecture

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

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 IXO Architecture