GROUPE OTE INGENIERIE

What GROUPE OTE INGENIERIE does

Groupe OTE Ingénierie is a French multidisciplinary building engineering consultancy (bureau d'études pluridisciplinaire) founded in 1962 and headquartered in Illkirch-Graffenstaden near Strasbourg. The group's core offering is 'maîtrise d'œuvre tous corps d'état' — full-scope project management covering all building trades: structural, electrical, energy/HVAC, fire safety coordination (SSI), construction economics, civil infrastructure, and project direction through construction supervision. Around this core, the group operates six wholly-owned specialised subsidiaries: OTE Ingénierie (core engineering), Itéco (general contractor / turnkey delivery), Otélio (sustainable development, RE2020, BREEAM/HQE/LEED), Expur (asbestos removal, decontamination, deconstruction), Sysnium (life sciences engineering), Note (acoustics), and BIMagine (BIM management). Together the group employs approximately 320 professionals, organises around 20 technical specialties, and completes roughly 1,000 projects per year.

The business model is classic professional services: project-based engineering consulting fees, with pricing quoted per project depending on scope, complexity and client type. Revenue is generated through direct enterprise field sales supported by a network of 12 regional offices across France (Strasbourg HQ, Paris, Lyon, Nantes, Metz, Colmar, Mulhouse, Bordeaux, Toulouse, Lille, Marseille, with a Brest sector). The customer base is split between the public sector (French regional hospitals — Hôpitaux Universitaires de Strasbourg, Hospices Civils de Lyon, Nantes Métropole — and government-funded infrastructure) and private enterprise clients including LIDL, Grands Chais de France, Jus de Fruits d'Alsace, and Blue Paper. Healthcare is the primary vertical, complemented by senior living (EHPAD), logistics/industrial, commercial/office, and public-sector segments.

The legal entity OTE Ingénierie operates as a Société par Actions Simplifiée (SAS) with €1,000,000 share capital, privately held by founding leadership under President Patrick Lullin. Group-level turnover is approximately €90 million, consolidating OTE Ingénierie with the five other operating entities under Groupe OTE Services. Geographic expansion has been steady and organic (Bordeaux 2018, Toulouse 2019, Lille 2024, Marseille 2025), with no external private equity, venture capital, or M&A activity disclosed. The group's value proposition rests on single-point accountability across all trades, BIM-enabled coordination, sustainable-development compliance expertise, and a 60+ year track record with landmark projects including the €150M Nouvel Hôpital Civil de Strasbourg and the €93M Centre Hospitalier Lyon Sud.

Name

GROUPE OTE INGENIERIE

Legal name

OTE Ingénierie

Website

https://ote-ingenierie.com

Company type

Private

Founded year

1962

Operating status

Operating

Headcount range

101–250 employees

Short description

French multidisciplinary building engineering consultancy founded in 1962, headquartered near Strasbourg. Provides full-scope project management across 20 technical specialties through 12 French regional offices, serving healthcare, industrial, logistics, and public-sector clients.

Ownership category

akta.pro rank

Headquarters

HQ city

Illkirch

HQ country

France

HQ region

Europe

Offices11 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering Consulting Services: Project design and technical studies for construction projects including project direction, construction supervision, technical direction, cost estimation, and coordination across all building trades. Revenue is generated through project-based consulting fees for public and private sector clients.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

GROUPE OTE INGENIERIE is a French multidisciplinary building engineering consultancy founded in 1962 that delivers full-scope project management ("Maîtrise d'œuvre tous corps d'état") for construction and renovation projects. The firm provides integrated engineering across structural, electrical, HVAC, energy, economics, BIM, acoustics, asbestos/lead remediation, and digital building disciplines. It operates 12 regional agencies across France with approximately 320 employees and around €90 million in revenue.

Product overview

GROUPE OTE INGENIERIE is a multi-disciplinary engineering group providing comprehensive building design and project management services. The core offering is 'Maîtrise d'œuvre tous corps d'état' (full multi-disciplinary project management) encompassing structural, electrical, mechanical, and architectural coordination. The group operates several specialized sub-brands: Note (acoustics), BIMagine (BIM/digital modeling), EXPUR (asbestos removal and deconstruction), and Otélio (sustainable development). These specialized services complement the core engineering offerings which include project direction, construction supervision (OPC), technical direction, construction economics, electrical engineering, HVAC/energy engineering, fire safety coordination (SSI), and civil infrastructure. The company serves diverse sectors including healthcare, industrial, commercial, cultural, educational, and residential buildings across France through a network of regional offices.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• 1000 projects completed per year
• +1 more outcomes

Named customers10 records

Segments5 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

Nine partnerships are on record, tiered core and minor.

• OTELIOcoreStrategic or Co-development PartnerSpecialized subsidiary focused on sustainable development engineering, energy studies, and environmental certifications (BREEAM, HQE, LEED). Provides carbon analysis, thermal simulations, and RE2020 compliance studies. Core part of OTE Group ecosystem.
• ITECOcoreStrategic or Co-development PartnerGeneral contractor subsidiary providing turnkey construction solutions. Partners with OTE for design-build projects requiring integrated delivery.
• EXPURcoreStrategic or Co-development PartnerSpecialized subsidiary created in 2019 for asbestos removal, decontamination, and deconstruction engineering. Provides site remediation and circular economy expertise. Core component of OTE Group.
• SYSNIUMcoreStrategic or Co-development PartnerSpecialized subsidiary focused on Life Sciences sector engineering, providing technical expertise for pharmaceutical and laboratory facilities.
• NOTEcoreStrategic or Co-development PartnerSpecialized acoustic engineering subsidiary providing noise studies, environmental acoustics, and building acoustics consulting services.
• BIMaginecoreStrategic or Co-development PartnerSpecialized BIM (Building Information Modeling) management subsidiary providing digital modeling coordination and BIM implementation services.
• ASSAR ArchitectesminorImplementation/ SI/ Consulting PartnerArchitecture firm serving as lead architect (mandataire) on SMR Pédiatrique Senlis project, collaborating with OTE as all-trade engineering partner.
• Michel Rémon & AssociésminorImplementation/ SI/ Consulting PartnerArchitecture firm as lead architect on Centre Hospitalier Lyon Sud project (€93M), working with OTE for all technical engineering.
• VASCONI Architecture / THALES ArchitectureminorImplementation/ SI/ Consulting PartnerArchitecture firms on Nouvel Hôpital Civil de Strasbourg project (€150M), working with OTE for structural engineering, VRD, and ERP safety.

Scale indicators6 records

Recent moves10 records

Expansion highlights7 records

Direct peers

• Setec Group: French multidisciplinary engineering firm with strong building, infrastructure, and industrial practices including setec bâtiment. Comparable in offering "all-trades" engineering services and similar size tier, with a strong French client base.
• Ingérop: Independent French engineering consultancy offering building, infrastructure, energy, and project management services. Similar multidisciplinary model and comparable scale, serving both public authorities and private developers across France.
• Artelia Group: French multidisciplinary engineering group providing building, infrastructure, water, and energy engineering services. Closely comparable to OTE in scope (multi-trade engineering), business model (project-based consulting with public/private clients), and French-centric footprint.
• Tractebel (ENGIE): International engineering consultancy owned by ENGIE with a substantial French building engineering practice (legacy Coyne et Bellier). Directly comparable multidisciplinary building services and similar public/private client mix, though at greater international scale.
• AIA Life Designers: French architectural and engineering collective specializing in healthcare, residential, and tertiary building design. Highly comparable in healthcare sector specialization and multidisciplinary building services model, with similar French geographic focus.
• Patriarche Group: French architectural and engineering firm with integrated design and project management capabilities. Comparable in offering multidisciplinary building services across healthcare, residential, and commercial sectors, with a similar mid-sized private firm structure.
• Assystem: French engineering and digital services firm with strong industrial and energy sector focus. Comparable in being a French mid-sized multidisciplinary engineering group serving regulated industries, though with greater emphasis on nuclear and industrial infrastructure than buildings.
• Egis Group: Major French engineering group providing building, transport, energy, and environmental engineering services. While larger and broader in scope (including significant infrastructure operations), Egis's building engineering division directly overlaps with OTE's core multidisciplinary consulting offering.

Broad incumbents

• WSP Global: Global engineering consultancy with significant French operations following acquisitions of local firms. Provides overlapping building engineering services but as part of a much broader property, transport, and environmental portfolio at greater scale.
• Arcadis NV: Global design and engineering consultancy with French presence through IBI Group and CallisonRTKL acquisitions. Overlaps with OTE in building engineering services but operates at substantially larger scale with international geographic diversification.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInfr.linkedin.com/company/ote-ingenierie

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries6 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 GROUPE OTE INGENIERIE