What Axenergie does

Axenergie (legal name Axénergie) is a French engineering consultancy (bureau d'études) operating as a privately held SAS with €7,500 of share capital, headquartered in Cugand, Vendée, and operating a second regional office in La Chapelle-sur-Erdre, Loire-Atlantique. The firm traces its lineage to 1974 (SCHMALTZ LEPINE) and was reorganized in 2024 through the fusion-absorption of SETHEL into AXÉNERGIE to form 'AXÉNERGIE - L'INGÉNIERIE DURABLE', unifying building, energy, and carbon engineering under a single brand owned and led by François Ayral, Bruno Chérel, and Jean-Marc Le Cann, with a team of about 12 people.

Its service portfolio covers four primary lines: (1) thermal, fluids, and energy engineering maîtrise d'œuvre (MOE) for new construction and renovation; (2) energy audits compliant with NF EN 16247 and the Décret Tertiaire / BACS frameworks; (3) carbon footprint (bilan carbone) and decarbonation strategy studies; and (4) bioclimatic design, territorial/environmental studies, and biosourced/reuse materials advisory. The methodology relies on regulatory thermal calculations, lifecycle analysis, on-site site visits, and bespoke methodological notes. Customer segments are split across residential/tertiary buildings, industries, local governments (collectivités), and healthcare, with named engagements spanning Crédit Agricole Atlantique Vendée, KUHN, PRB, RABAUD, Hendrix Genetics, Vendée Department, and hospital groups.

The business model is expert-led project-based professional services: each engagement begins with site scoping, a customized methodological note and commercial offer, and assignment of a dedicated project manager from contract through delivery. Pricing is quote-based, not publicly disclosed, and billing is pay-as-you-go against project deliverables. Revenue is concentrated in the Pays de la Loire region with no funding rounds, no external investors, and no distribution beyond the firm's two offices and direct/contact-form-led sales. Go-to-market emphasizes regulatory expertise, the 50-year brand, and a reference portfolio of 1,200+ projects as procurement signals.

Name

Axenergie

Legal name

Axénergie

Website

https://axenergie.com

Company type

Private

Founded year

1974

Operating status

Operating

Headcount range

1–10 employees

Short description

Axenergie is a French engineering consultancy in Cugand and La Chapelle-sur-Erdre that delivers thermal, fluid, energy, and environmental engineering — including audits, MOE, and carbon studies — to building, industrial, healthcare, and public-sector clients across Pays de la Loire.

Ownership category

akta.pro rank

Product category

Energy and Environmental Engineering Consulting

NAICS

Environmental Consulting Services (541620), Architectural, Engineering, and Related Services (5413)

SIC

Services-Engineering Services (8711)

akta.pro primary industry

Sustainability & ESG Consulting (BPAHACAK)

akta.pro secondary industries

Sector-Specific Net-Zero Pathways & Benchmarking (hard-to-abate methodologies) (EUABAKAI), Industrial Decarbonization EPC, Integration & O&M Services (Design/Build/Operate) (EUABAJAM)

Keywords

• Energy auditing services
• Thermal engineering consulting
• Building energy efficiency
• Carbon footprint assessment
• Bioclimatic building design

Headquarters

HQ city

Cugand

HQ country

France

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering Consulting Services: Project-based professional services for thermal, fluid, energy, and environmental engineering. Services include energy audits, master contracting (MOE), user/owner assistance (AMO/AMU), regulatory compliance studies, and carbon footprint assessments. Revenue generated through consulting fees tied to project scope and deliverables.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

Axenergie is a French engineering consultancy (Bureau d'études) delivering integrated thermal, fluids, energy and environmental engineering services for residential, tertiary, industrial and public-sector clients. Services include regulatory energy audits (NF EN 16247), master contracting (MOE) for thermal/fluids/energy systems, bioclimatic design, carbon footprint assessments (Bilan Carbone), and user/owner assistance (AMU/AMO). The firm supports clients with decarbonation strategy, renewable energy feasibility, biosourced materials evaluation and compliance with French regulations such as the Tertiary Decree, BACS, LOM and the Climate and Energy Law.

Product overview

Axenergie operates as an engineering consultancy firm (Bureau d'études) offering integrated services in thermal, fluids, energy, and environmental engineering. The company provides a comprehensive portfolio of services including energy audits (Audit énergétique), master contracting for thermal-fluids-energy systems (Maîtrise d'œuvre), bioclimatic design and environmental studies, carbon footprint assessments (Bilan Carbone), and territorial studies. The firm serves diverse sectors including residential buildings, commercial/tertiary, industrial, and municipal/collective clients. Founded in 1974 and restructured through multiple mergers (SETHEL and AXÉNERGIE combined in 2024 to form AXÉNERGIE - L'INGÉNIERIE DURABLE), the company positions itself as a partner for decarbonation and energy transition projects.

Differentiator

Problem solved

Functional benefit

Products and services

• Bureau d'études Thermique, Fluides, Énergie et Environnement (Engineering Consultancy - Thermal, Fluids, Energy, Environment) Core engineering consultancy service covering thermal studies, fluid systems, energy efficiency and environmental assessments for residential, tertiary, industrial buildings and local governments.
• Maîtrise d'œuvre Thermique – Fluides – Énergie (Master Contracting - Thermal, Fluids, Energy) Master contracting services for thermal, fluids and energy systems in new construction and renovation of tertiary and industrial buildings, delivered with a dedicated project manager.
• Audit énergétique (Energy Audit) Regulatory energy audits compliant with NF EN 16247, including Tertiary Decree and BACS compliance, with quantified gains across kWh, euros and CO2 avoided.
• Études Carbone / Bilan Carbone (Carbon Studies / Carbon Footprint Assessment) Carbon footprint assessment and decarbonation strategy services including carbon balance, carbon weight evaluation and bas carbone strategy accompaniment for organizations targeting carbon reduction.
• Maîtrise d'œuvre Bioclimatique – Environnement (Bioclimatic Master Contracting and Environmental Design) Bioclimatic building design including thermal comfort studies, natural lighting calculations, air quality studies, renewable energy feasibility (solar PV, wood, geothermal, aerothermal) and biosourced materials integration (hemp, wood, straw), with lifecycle analysis (ACV).
• Assistance à Maîtrise d'Usage / Ouvrage (AMU/AMO) User and owner assistance services including programmatic base writing, internal/external survey drafting, meeting facilitation and action plan monitoring/tracking for energy and building projects.
• Études Territoriales sur Mesures (Custom Territorial Studies) Custom territorial and environmental studies including sun exposure analysis, energy opportunity diagnostics and energy feasibility studies for sustainable territory development.
• Études Environnementales (Environmental Studies) Environmental studies and planning services for sustainable urban development, focused on building coherent, resilient territories that respect biodiversity.
• Matériaux Biosourcés et Réemploi (Biosourced Materials and Reuse Studies) Comparative studies of biosourced materials solutions, vapor migration analysis, material lifespan and reuse studies to support informed choices between conventional and biosourced solutions.

Quantifiable outcome

• Projects completed: 1,200+
• +1 more outcomes

Named customers16 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators4 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• AMOES: French environmental and energy engineering consultancy offering thermal studies, fluid systems, and decarbonation support. Closely comparable boutique BE competing for similar regional and industrial mandates.
• Tribu Énergie: Mid-sized French energy engineering consultancy providing energy audits, MOE, and decarbonation roadmaps for tertiary and industrial buildings. Comparable in scope (audit + MOE + energy strategy) and customer profile.
• BURGEAP (GINGER Group): Environmental and energy engineering consultancy (part of GINGER Group) offering site assessments, environmental studies, and energy/carbon advisory for industrial and public-sector clients. Comparable on environmental consulting and territorial studies.
• Carbone 4: French boutique consultancy specialized in carbon strategy, Bilan Carbone, and decarbonation pathways. Directly comparable to Axenergie's 'Votre défi carbone' line, though Carbone 4 is larger and more internationally oriented.
• Alterea: French energy and environmental engineering consultancy focused on building performance, energy audits, and decarbonation. Closely comparable in service mix (audit + MOE + AMO) and in mid-market French customer profile.

Broad incumbents

• GINGER Group: French engineering holding whose subsidiaries (including BURGEAP) provide environmental, geotechnical, and energy engineering services. Adjacent competitor with similar services but a broader infrastructure and environmental portfolio.
• Egis: Large French engineering group with significant energy, environment, and building practices. Overlaps with Axenergie on building thermal engineering and decarbonation, but operates at national/international scale across many other sectors.
• Ingérop: Large French independent engineering group covering building, energy, environment, and infrastructure. Comparable on thermal/fluids engineering and MOE work for tertiary and industrial projects, though at significantly larger scale.
• Artelia: Major French engineering firm with dedicated energy, environment, and building divisions. Competes for the same energy-audit and MOE mandates but from a much broader portfolio position.

Emerging players

• B&L Evolution: French energy transition and decarbonation consultancy focused on industrial and tertiary clients. Comparable on Bilan Carbone, energy audits, and decarbonation strategy for the same mid-market customer profile.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/axenergie

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 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 Axenergie