What Soja Ingénierie does

Soja Ingénierie is a privately held French engineering consultancy (bureau d'études techniques et fluides) founded in 2008 and headquartered in Rouen. The firm provides specialized technical engineering services for building fluid systems — heating, ventilation and air conditioning (CVC), plumbing-sanitary, water treatment, electrical systems, and renewable energy production — with a distinctive concentration in aquatic centers and other energy-intensive public facilities. Its interdisciplinary team of approximately 20 engineers, drafters, cost estimators, and project managers delivers studies, BIM design, cost estimation, and quality advisory from preliminary phase through construction delivery, serving both public maîtres d'ouvrage (cities, intercommunalities, metropolitan authorities) and private developers across twelve French regions and Wallonia, Belgium.

The firm's technical differentiation rests on a portfolio of proprietary and first-in-France innovations in water treatment and energy systems, including ozone-based disinfection, ceramic membrane filtration (silicon carbide, 1-micron vs. 40-micron sand filtration), absorption heat pumps with thermodynamic dehumidification, geothermal heat pump systems, filter backwash ultrafiltration (recovering 85–90% of backwash water), and lake/groundwater freshwater supply replacing potable networks. A dedicated Environment-Technology & Regulatory Watch cell systematically identifies and adopts emerging technologies, yielding documented first-in-France implementations at the Saint-Amand-les-Eaux (2014, geothermal) and Libourne (2021, lake water supply) aquatic centers. The firm is the published author of the reference technical guide 'Guide technique pour une conception optimisée' (2013), produced with ADEME and FEDER institutional backing.

Revenue is generated through project-based professional services fees on public and private construction and renovation projects, with no disclosed pricing model or revenue figures. The firm is led by Cédric Jouan (Executive Director & Development), with Jean-François Péret-Marquet co-directing publication activities. The company is independent, with no parent, subsidiaries, or external funding rounds disclosed. The client base skews heavily toward French public-sector project owners — particularly municipalities and intercommunalities commissioning aquatic centers — with secondary exposure to private hospitality (hotels/spas), real estate developers, and sports facility operators (UCPA).

Name

Soja Ingénierie

Legal name

Soja Ingénierie

Website

https://soja-ing.fr

Company type

Private

Founded year

2008

Operating status

Operating

Headcount range

1–10 employees

Short description

Soja Ingénierie is a privately held French engineering consultancy (bureau d'études techniques) founded in 2008 in Rouen, specializing in fluid systems engineering — HVAC, plumbing, water treatment, electrical, and renewable energy — for buildings, with deep specialization in aquatic centers and other public facilities across France.

Ownership category

akta.pro rank

Product category

MEP Engineering Consulting

NAICS

Engineering Services (541330), Architectural, Engineering, and Related Services (5413), Management, Scientific, and Technical Consulting Services (5416)

SIC

Services-Commercial Physical & Biological Research (8731)

akta.pro primary industry

Water, Wastewater & Hydraulics Engineering Consulting (BPAHAIAD)

akta.pro secondary industries

Auxiliary Systems EPC (Station Service, HVAC, Fire Protection, Security) (EUAEADAK), Security, Safety & Fire/Life Safety Management (BPABAAAE)

Keywords

• Fluid engineering consulting
• HVAC engineering services
• Aquatic center design
• BIM building studies
• Energy performance consulting

Headquarters

HQ city

Rouen

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering Studies and Consulting: Technical engineering studies including HVAC design, plumbing, water treatment, electrical systems, and energy solutions for construction and renovation projects. Services span from preliminary studies through construction delivery, including BIM design, construction cost estimation, and ongoing quality advisory.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Soja Ingénierie is a French technical engineering consultancy (bureau d'études techniques et fluides) that delivers fluid engineering studies — Heating, Ventilation and Air Conditioning (HVAC/CVC), plumbing-sanitary, water treatment, aquatic animations, electrical systems (CFO, CFA) and renewable energy production — for construction and renovation projects. The firm specializes in public aquatic centers and sports facilities, providing BIM design, dynamic thermal simulation, HQE audits, fire safety coordination, cost estimation, and ongoing quality advisory from study phase through delivery, supported by proprietary water treatment and energy optimization technologies.

Product overview

Soja Ingénierie is a technical engineering bureau (bureau d'études techniques et fluides) founded in 2008, headquartered in Rouen, France. The company provides integrated engineering services for fluids (water, air, electricity) across building projects, specializing in aquatic centers and sports facilities. Their core offerings include technical studies for HVAC, plumbing, water treatment, electrical systems, and building energy optimization. They offer complementary services including HQE audits, fire safety coordination (CSSI), dynamic thermal simulation (STD), energy performance diagnostics (DPE), and BIM design capabilities. The company focuses on innovative sustainable solutions including geothermal heat pumps, water recycling, ozone disinfection, and renewable energy systems. Their team of approximately 20 professionals serves public and private clients throughout France.

Differentiator

Problem solved

Functional benefit

Products and services

• Études techniques fluides (Fluid Engineering Studies) Technical engineering studies for fluid systems — Heating, Ventilation, Air Conditioning (HVAC/CVC), plumbing, water treatment, electrical systems, and energy solutions — applied to aquatic centers, sports facilities, hotels, housing, offices, and commercial buildings. Delivered to public and private project owners (maîtres d'ouvrage) across France.
• Conception BIM (BIM Design) Building Information Modeling (BIM) design service enabling detailed 3D planning and coordination of mechanical, electrical, and plumbing systems across new construction and renovation projects.
• Audit et diagnostic HQE (High Environmental Quality Audit) High Environmental Quality (HQE) audit and diagnostic service measuring the ecological impact of buildings across four domains — eco-construction, eco-management, comfort, and health — covering 14 evaluation criteria.
• Mission de coordination sécurité incendie (CSSI) Fire safety coordination mission (Coordination Sécurité et de Santé Incendie / CSSI) for construction and rehabilitation projects, ensuring regulatory compliance of fire protection systems.
• Simulation thermique dynamique (STD) Dynamic Thermal Simulation (Simulation Thermique Dynamique / STD) service analyzing the energy performance and consumption of buildings under varying operating conditions.
• Diagnostic de performance énergétique (DPE) Energy Performance Diagnostic (Diagnostic de Performance Énergétique / DPE) service evaluating the energy performance of buildings for regulatory and advisory purposes.
• Étude thermique Thermal study (Étude thermique) service for analyzing building energy performance, heat transfers, and compliance with thermal regulations.
• Assistance à maîtrise d'ouvrage (AMO) Project management assistance (Assistance à Maîtrise d'Ouvrage / AMO) service guiding clients through the definition, design, and execution phases of their construction projects.
• Étude EXE (Études d'Exécution) Execution Studies (Études d'Exécution / Étude EXE) service producing detailed technical documentation for the implementation of building systems during the construction phase.
• Suivi énergétique Energy monitoring and tracking (Suivi énergétique) service measuring and analyzing building energy performance over time to support optimization.

Quantifiable outcome

• At Libourne aquatic center (2021): 813,000 m³ water savings over 30 years, 2.8M€ savings; 15,100 tonnes CO₂ avoided over 30 years; 50% reduction in thermal and water operating costs
• +5 more outcomes

Named customers10 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

Feature6 records

Partnerships

Three partnerships are on record, tiered project-level and notable.

• Ingeropproject-levelImplementation/ SI/ Consulting Partner · 1 January 2019Engineering firm serving as subcontracting partner for specific projects including Val Parisis aquatic center (subcontracting engineering services for water treatment lot).
• ADEME (Agence de la transition écologique)notableStrategic or Co-development Partner · 1 January 2013Partnership for publishing the technical guide 'Guide technique pour une conception optimisée' on optimizing aquatic center energy performance. ADEME is France's agency for ecological transition providing institutional support and validation for technical standards.
• FEDER (Fonds européen de développement régional)notableStrategic or Co-development Partner · 1 January 2013European Regional Development Fund co-publishing the technical guide 'Guide technique pour une conception optimisée'. FEDER provides EU structural funding for regional development and innovation projects.

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• Egis: Large French engineering group with water, environment, energy, and building infrastructure practices. Comparable as a French engineering consultancy for water and energy infrastructure, though much larger and more diversified than Soja's specialized aquatic center focus.
• Assystem: French engineering and digital services group with strong energy, infrastructure, and building practices. Comparable as a French engineering firm serving energy infrastructure clients, though Assystem is significantly larger and more diversified than Soja's specialized fluid systems niche.
• WSP France: Global engineering consultancy with significant French operations covering buildings, water, and environment. Comparable as a multi-disciplinary engineering firm with overlapping fluid/water/building expertise, though operating at much larger scale and broader scope than Soja.
• Setec: Major French engineering group with broad infrastructure, building, and energy practices. Comparable as a French engineering firm working on building fluid systems and energy performance, though Setec operates at significantly larger scale across many sectors beyond Soja's aquatic center niche.
• AtkinsRéalis (formerly SNC-Lavalin): Global engineering consultancy with French operations covering infrastructure, buildings, and energy. Comparable as a major international engineering firm serving public sector clients on complex building and infrastructure projects with overlapping fluid systems and energy efficiency practices.
• Tractebel (Engie): Belgium-headquartered engineering consultancy (part of Engie) with strong water, energy, and infrastructure practices. Comparable as a European engineering firm with overlapping water/HVAC/energy expertise and presence in both France and Belgium — the same geographies where Soja operates.

Direct peers

• Ingérop: French independent engineering firm offering infrastructure, water, energy, and building engineering services. Directly comparable as a French engineering consultancy with overlapping fluid/HVAC/water treatment expertise; explicitly mentioned as Soja's subcontracting partner on the Val Parisis aquatic center project.
• Cabinet Merlin: French independent engineering consultancy focused on water, environment, and infrastructure. Comparable as a mid-sized French engineering firm with overlapping water and environment expertise serving municipalities and public sector clients on similar project types to Soja's aquatic facilities.
• Verdi Ingénierie: French independent engineering consultancy specializing in sustainable building and fluid systems (HVAC, plumbing, renewable energy). Comparable as a similarly-sized French building engineering firm with overlapping fluid systems expertise serving public and private clients on energy-efficient projects.
• Artelia: Major French engineering group with strong building, water, and environment practices. Comparable as a French engineering consultancy serving public and private clients on building infrastructure, including fluid systems, water treatment, and energy efficiency projects similar to Soja's aquatic center work.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/soja-ing%C3%A9nierie

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Soja Ingénierie