What E'nergys does

E'nergys SASU is a privately held French energy efficiency and decarbonization services group headquartered in Benfeld (Alsace), operating through seven specialized subsidiaries: E'nergys Solutions (turnkey delivery), Genersys (BMS/GTB building automation), M'GYS (Level 4 electrical maintenance), Impulse (engineering), H3C Énergies (energy consulting), Secca (electrical contracting), and Archymed (water efficiency). Founded in 2015 and structured as a SASU with €1M share capital, it reports 300 collaborators across 9 French sites serving roughly 1,500 businesses and organizations, with no disclosed external investors.

The company executes four integrated activity lines — Conseil (long-term advisory and decarbonization roadmaps), Solutions (turnkey deployment financed via third-party mechanisms), Ingénierie (technico-economic studies and project implementation), and Maintenance (preventive/predictive/corrective electrical, 24/7 with 4-hour response). Its proprietary technology centers on the Genersys BMS/GTB platform, a network of sensors and PLCs for remote supervision of HVAC and electrical equipment, plus project financing through the French CEE energy savings certificate scheme and 15-20 year performance-based repayment contracts. The company is one of the few Level 4 electrical maintenance operators in France holding ISO 9001 (since Feb 2020) and CEFRI certification (2021).

E'nergys runs a sales-led, multi-segment go-to-market targeting Industry, Tertiary/Retail, Local Authorities, and Energy Utilities. Named customers include ALTEMA Group (€235M revenue, 5-year decarbonation partnership), Merck, Bürkert, Octapharma, Triumph, Albioma, Reden Solar, Condat, and the City of Haguenau (~40 public buildings, 15% measured energy savings). Pricing is not publicly disclosed; revenue is generated from project-based consulting fees, turnkey solutions with performance guarantees, CEE intermediation between energy suppliers and project holders, and managed maintenance contracts. Multi-brand specialization, regulatory fluency (Décret Tertiaire, Décret BACS, TURPE 7, ISO 50001), and rare level-4 electrical credentials compose its principal defensibility.

Name

E'nergys

Legal name

E'nergys

Website

https://e-nergys.com

Company type

Private

Founded year

2015

Operating status

Operating

Headcount range

11–50 employees

Short description

E'nergys is a French energy efficiency and decarbonization services group delivering consulting, turnkey solutions, engineering, and Level 4 electrical maintenance to industrial, tertiary, local authority, and energy utility clients across France via seven specialized subsidiaries.

Ownership category

akta.pro rank

Product category

Energy Efficiency Consulting and Engineering

NAICS

Environmental Consulting Services (54162), Engineering Services (541330), Management Consulting Services (54161), Architectural, Engineering, and Related Services (5413)

SIC

Services-Engineering Services (8711), Services-Management Consulting Services (8742)

akta.pro primary industry

Industrial Energy Efficiency & Optimization (Process Controls, Advanced Analytics, ISO 50001) (EUABAJAH)

akta.pro secondary industries

Sustainability & ESG Consulting (BPAHACAK), GHG Accounting & Net-Zero/Decarbonization Planning (Scopes 1–3) (EUAHAJAC), Industrial Decarbonization EPC, Integration & O&M Services (Design/Build/Operate) (EUABAJAM)

Keywords

• Energy efficiency consulting
• Building management systems
• Electrical maintenance services
• Decarbonization advisory
• Energy performance contracting

Headquarters

HQ city

Benfeld

HQ country

France

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Professional Services (Conseil, Ingénierie): Core consulting and engineering services including energy audits, decarbonization roadmaps, regulatory compliance support (Décret Tertiaire, Décret BACS, ISO 50001), and technical project management. Revenue generated through project-based consulting engagements and long-term advisory contracts.
2. Turnkey Solutions with Performance-Based Financing: E'nergys deploys proven energy efficiency solutions (GTB, relamping, heat recovery) and finances projects through realized energy savings, committing to performance outcomes. The company guarantees energy savings and takes on project risk.
3. Electrical Maintenance Services: Level 4 electrical maintenance services including preventive, predictive, and corrective maintenance of high-voltage substations, transformers, circuit breakers, inverters, and distribution grids. Provided 24/7 with 4-hour rapid response commitment.

Go-to-market motion2 records

Distribution channels4 records

Marketing channels7 records

Core offering

E'nergys is a French energy efficiency and decarbonization consulting group that helps industrial, tertiary, and public-sector clients reduce energy consumption and CO2 emissions. The company delivers four integrated service lines: long-term consulting and decarbonization roadmaps, turnkey energy efficiency solutions with third-party financing, engineering and technico-economic studies, and Level 4 electrical maintenance. Operations span nine sites in France through subsidiaries including Genersys (BMS/GTB), M'GYS (electrical maintenance), Impulse (engineering), H3C Énergies (consulting), Secca (electrical contracting), and Archymed (water efficiency).

Product overview

E'nergys is an energy efficiency and transition consulting company offering an integrated portfolio of services organized around four core activities: Consulting (advisory and decarbonization roadmap management), Solutions (turnkey energy efficiency with financing), Engineering (technical project implementation), and Maintenance (electrical systems maintenance). The company operates several specialized brands including Genersys for BMS/GTB building automation solutions and M'GYS for Level 4 electrical maintenance. Key offerings include energy and water audits, BMS/BAC systems, heat recovery, renewable energy integration, and regulatory compliance support for French decrees (Décret Tertiaire, Décret BACS). The approach combines technical expertise with financing solutions to deliver guaranteed energy performance.

Differentiator

Problem solved

Functional benefit

Brands

• M'GYS: Level 4 electrical maintenance subsidiary of E'nergys Group, ISO 9001 certified, providing comprehensive electrical maintenance services
• Genersys
• H3C Énergies
• Impulse
• Secca
• Archymed

Products and services

• Conseil (Consulting) Long-term advisory services guiding clients through their decarbonization roadmap: energy and water audits, objective planning, regulatory compliance (Décret Tertiaire, Décret BACS, ISO 50001), and ongoing performance monitoring.
• Solutions (Turnkey Energy Efficiency Solutions) Ready-to-deploy energy efficiency solutions including project piloting and financing through the tiers-financement model, with guaranteed energy savings and performance commitments to the client.
• Ingénierie (Engineering) Technical engineering services including technico-economic studies for decision-making and project implementation support using proven engineering methods for technical solution installation.
• Maintenance (Electrical Maintenance) Electrical installation maintenance services including preventive (scheduled operations) and predictive maintenance (anticipating failures), with Level 4 maintenance expertise and 24/7 operational support including a 4-hour rapid response commitment.
• Genersys (BMS/GTB Solution) Building Management System (BMS) / Gestion Technique du Bâtiment (GTB) solution for remote monitoring and control of building technical systems, including AI integration capabilities, audits, commissioning, integration, and user training.
• Water Efficiency Solutions (Archymed) Water efficiency solutions and audits complementing the group's energy efficiency services, addressing water consumption performance for industrial, tertiary, and public-sector clients.

Quantifiable outcome

• 15% energy savings for City of Haguenau across ~40 public buildings
• +3 more outcomes

Named customers6 records

Segments4 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

Partnerships

Twelve partnerships are on record, tiered core and minor.

• Ville de HaguenaucoreOthers · 16 March 2016City of Haguenau (35,000 inhabitants, second-largest city in Bas-Rhin) partnered with Genersys (E'nergys subsidiary) since 2016 for GTB deployment across ~40 public buildings, achieving 15% energy savings. Partnership includes remote monitoring, maintenance support, and ongoing optimization.
• BürkertminorOthersBürkert, a fluid control systems manufacturer, implemented E'nergys' GTB solution to leverage smart building and Industry 4.0 capabilities for continuous energy consumption improvement, occupant comfort, and building automation. Case study reference demonstrating E'nergys' industrial GTB deployment capabilities.
• AlbiomaminorOthersAlbioma, a renewable energy company (biomass and solar), featured in E'nergys' reference portfolio. Albioma's Le Gol power plant in Réunion was converted to 100% biomass with E'nergys' waste heat recovery engineering support.
• Reden SolarminorOthersReden Solar, a solar energy company, appears as a reference client logo in E'nergys' portfolio, indicating collaboration in the renewable energy sector.
• CondatminorOthersCondat, a lubricants and industrial chemicals company, referenced as an E'nergys client in the company's portfolio of industrial sector references.
• MerckminorOthersMerck, the global science and technology company, appears as a reference client logo, indicating E'nergys serves multinational pharmaceutical and science industry clients.
• Groupe ALTEMAcoreOthersALTEMA Group (metal building products, 600 employees, €235M revenue, 41 sites) engaged E'nergys Solutions for a 5-year decarbonation partnership covering Décret Tertiaire compliance and energy audits at its Jebsheim production site. A flagship reference demonstrating E'nergys' capabilities with large industrial ETI clients.
• Groupe TriumphminorOthersTriumph Group's main European logistics platform in Obernai partnered with E'nergys for energy sobriety audits and LED retrofits, addressing Décret Éco-Énergie Tertiaire compliance.
• Octapharma LingolsheimminorOthersOctapharma (pharmaceutical company) deployed Genersys GTB supervision architecture for 24/7 monitoring of its production environment in Lingolsheim.
• RC3I (Genersys Grand Ouest Agency)coreStrategic or Co-development PartnerRC3I became Genersys' Grand Ouest agency (Pays de la Loire and Brittany) to expand E'nergys' national coverage, specializing in ETI energy efficiency projects in the region.
• Amandine Fouquenet (Arkéa Team Cyclist)minorOthersM'GYS sponsors Amandine Fouquenet, French cyclo-cross champion and professional cyclist with the Arkéa team, as part of the M'GYS Team initiative linking the company with high-performance sports.
• CEE Obligés (Energy Suppliers)coreGTM or Marketing PartnerE'nergys acts as intermediary for CEE (Certificats d'Economies d'Energie) certificates between energy suppliers (EDF, Engie, TotalEnergies, etc.) and project-holding clients, facilitating financing of energy renovation works through France's energy savings certificate scheme.

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Dalkia: Dalkia (an ENGIE subsidiary) is a major French energy services provider operating in district heating, energy efficiency, and facility management. It is a broad incumbent offering overlapping energy efficiency, BMS, and on-site energy services to industry, tertiary, and public-sector clients comparable to E'nergys' market.
• ENGIE Solutions: ENGIE Solutions is the B2B services arm of ENGIE in France, delivering energy efficiency, facility management, and decarbonization projects to industrial, commercial, and public-sector clients. It competes directly with E'nergys' Conseil/Solutions/Ingénierie/Maintenance stack at a much larger scale.
• SPIE France: SPIE France is a leading French multi-technical services group providing electrical, HVAC, and energy efficiency services to industry, tertiary, and public-sector clients. It competes with E'nergys across M'GYS electrical maintenance, Genersys BMS, and energy engineering work.
• Schneider Electric (EcoStruxure): Schneider Electric supplies BMS/building automation platforms (EcoStruxure Building Operation) that compete with E'nergys' Genersys GTB offering and are deployed by integrators across French industry and tertiary buildings. It is a platform incumbent E'nergys integrates alongside.
• Veolia Industries Global Solutions: Veolia provides industrial energy and water efficiency services, including waste heat recovery and decarbonization, to large French industrial accounts. It competes with E'nergys' industry segment on engineering, energy recovery, and water efficiency (Archymed).

Direct peers

• Idex: Idex is a French energy performance company operating an ESCO/tiers-financement model focused on energy efficiency and local energy networks for industry, real estate, and public-sector clients. It is the closest direct peer to E'nergys in combining performance-based financing with turnkey energy efficiency delivery in France.
• Hellio: Hellio is a French specialist in CEE-financed energy renovation works for SMEs, tertiary buildings, and residential, acting as intermediary between energy obligors and project holders. It directly mirrors E'nergys' CEE intermediation and tiers-financement positioning in the French regulatory energy savings market.
• Effy: Effy is a French energy renovation platform helping SMEs and homeowners finance efficiency works via CEE certificates and subsidies. It overlaps directly with E'nergys' CEE-driven project financing for SME and tertiary clients.
• GreenYellow: GreenYellow (a Casino group subsidiary) is a French energy efficiency specialist offering turnkey BMS/GTB, LED, and solar solutions funded via performance contracts to retail, industry, and tertiary clients. Its tiers-financement and GTB model is highly comparable to E'nergys Solutions and Genersys.

Emerging players

• Bureau Veritas: Bureau Veritas delivers energy audits, ISO 50001 certification support, and ESG/decarbonization advisory in France through its TIC services arm. It overlaps with E'nergys' Conseil and audit offerings, especially for Décret Tertiaire compliance and ISO 50001 energy management systems.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/e_nergys

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries7 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 E'nergys