What OREKA Engineering does

Assystem is a French publicly listed engineering services group (Euronext: ASY), founded in 1966 by its current CEO Dominique Louis and headquartered in Courbevoie, France. The firm specializes in complex infrastructure and nuclear engineering, employing more than 7,500 people across 12 countries, of which roughly 5,000 are nuclear specialists with a stated ambition to reach ~10,000 by 2030. Its core offering spans the full nuclear lifecycle, including new build design (EPR2 basic and detailed design, SMR/AMR engineering studies such as EDF's NUWARD, and Gen IV reactor work), operations and maintenance support for EDF's French fleet, fuel cycle services, decommissioning, and waste management, alongside adjacent services in energy transition, transportation, defense, and infrastructure.

The company's technology stack combines traditional system engineering (MBSE, PLM, digital twin, BIM, CAD) with an 'Augmented Engineering' digital portfolio covering IoT/hypervision, EAM/GMAO/FSM, AI and data platforms, cloud migration, and cybersecurity, plus proprietary immersive VR/AR and 3D tools used for training, design validation, and operational support on nuclear sites. Roughly 50% of activities are international, with significant on-site presence at programs including France's EPR2, the UK nuclear fleet, Turkey's Akkuyu, and the UAE's Barakah, and a UK hub of ~1,000 staff. The business model is professional services: project-based and long-term engineering contracts negotiated with enterprise and state-owned clients, supported by a distinctive France Travail-backed nuclear training-to-hire pipeline that has produced ~190 hired experts since 2022 at a 90% completion-and-hire rate.

Name

OREKA Engineering

Legal name

Assystem

Website

https://oreka-group.fr

Company type

Public

Founded year

1966

Operating status

Operating

Headcount range

11–50 employees

Short description

Assystem is a French publicly listed engineering services group (Euronext: ASY) employing 7,500+ staff across 12 countries, specializing in nuclear lifecycle engineering, digital transformation, and immersive VR/AR tools for state-owned utilities and large infrastructure clients.

Ownership category

akta.pro rank

Headquarters

HQ city

Cherbourg

HQ country

France

HQ region

Europe

Offices16 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 Services (Prestataire de services d'ingénierie): Assystem generates revenue primarily through engineering services contracts, providing technical expertise to clients in nuclear, energy, transportation, defense, and infrastructure sectors. Revenue is generated through project-based engineering engagements, long-term service contracts, and consulting assignments. As a services company, revenue is proportional to investment volumes in client projects.
2. Digital Transformation Services: Digital services including augmented engineering, system integration, application development, data management, and cybersecurity. Delivered as consulting and implementation engagements alongside core engineering services.

Go-to-market motion2 records

Distribution channels4 records

Marketing channels9 records

Core offering

OREKA Engineering is an engineering services firm delivering multi-disciplinary nuclear, energy, transportation and infrastructure projects across the full asset lifecycle - from new build (EPR2, SMR/AMR) through operations and maintenance to decommissioning. It complements these engineering services with a digital portfolio covering system engineering, MBSE, PLM, digital twin, BIM/CAD, AI/data platforms, cloud migration, cybersecurity, and immersive VR/AR 3D tools used for design validation, training, operational support and maintenance across industrial clients.

Differentiator

Problem solved

Functional benefit

Brands

• Switchers: Collective name for Assystem employees - collaborators who work on projects serving the energy transition. The term also refers to their podcast series 'Switchers' which provides direct connection between the group and candidates.

Products and services

• Multi-discipline Engineering Services System engineering, MBSE, PLM, digital twin, BIM & CAD, construction management and commissioning services delivered to industrial clients across nuclear, energy, transportation, defense and complex infrastructure projects.
• Nuclear Engineering Services Full-lifecycle nuclear engineering services covering new build (EPR2 basic and detailed design, SMR/AMR engineering studies, fusion research reactors), existing fleet operations and maintenance, fuel cycle, decommissioning and waste management. Delivered to nuclear operators including EDF, EDF NUWARD, UK nuclear fleet, Akkuyu (Turkey) and Barakah (UAE).
• Project Management Services (PMO, PMC/AMO, Consulting) Project Management Office (PMO) and project control services, Project Management Consultancy (PMC/AMO), and general consulting and expertise engagements for complex infrastructure and industrial programs.
• Immersive 3D Technologies and Tools (VR/AR/3D) Virtual Reality, Augmented Reality and 3D/360 animation tools including serious games, escape games for training, dynamic field-intervention simulations, ergonomic validation tools, knowledge-transmission applications and photogrammetry-based 3D modeling. Deployed on computers, tablets and VR headsets, online or offline, to support design validation, training, operational support and maintenance for industrial clients.
• Augmented Engineering and Digital Transformation Services Digital services portfolio covering system engineering, MBSE, PLM, digital twin, BIM & CAD, PPM & IMS, Industrial Information Systems / Hypervision & IoT, EAM/GMAO/FSM, Data Platforms & AI, Move to Cloud and Cybersecurity, delivered as consulting and implementation engagements alongside core engineering services.
• Energy Transition Engineering Services Engineering services for hydrogen infrastructure, renewable energy (solar, wind - including co-located projects such as a 50 MW solar + 128 MW wind project in Turkey), electrical grid modernization and decarbonization of industrial processes.

Quantifiable outcome

• 90% training program completion and hiring rate for nuclear promo participants
• +5 more outcomes

Named customers9 records

Segments5 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Four partnerships are on record, tiered core and minor.

• France TravailcoreStrategic or Co-development Partner · 1 January 2022Partnership with France Travail (public unemployment service) for nuclear sector training programs. Training programs (~400 hours) are funded by France Travail and delivered by certified training organizations. Participants receive guaranteed job offers upon successful completion. Since 2022, ~190 people have been trained and hired through this program. 11% of 2023 recruits came from these programs. Programs follow France Travail's POE (préparation opérationnelle à l'emploi) device.
• EDF NUWARD (SMR Project)coreStrategic or Co-development Partner · 1 January 2017EDF's Small Modular Reactor (SMR) NUWARD project. Assystem provides multi-discipline engineering studies from Lyon and Paris offices. Part of the next-generation nuclear technology portfolio alongside AMR projects.
• IdeanceminorImplementation/ SI/ Consulting PartnerDigital accessibility expertise company. Provides awareness and training actions on digital accessibility, RGAA compliance audits, and support for drafting legal documents (multi-year scheme, annual action plan, accessibility declaration). Works with Assystem to improve website and application accessibility.
• Agence Nationale du SportminorStrategic or Co-development PartnerNational sports agency in France that supports high-level athletes' professional integration. Connected Assystem with Nathan Petit, a paralympic athlete, enabling a unique work arrangement where the athlete can pursue both a sports career and engineering work at Assystem.

Scale indicators14 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Worley: Worley is a global engineering and project delivery firm with a strong energy and nuclear practice. It is a direct peer in engineering services for nuclear, energy transition, and major infrastructure projects across multiple geographies.
• Framatome: Framatome is a global leader in nuclear reactor design, services, and fuel, headquartered in France. It is the most direct nuclear engineering competitor to Assystem, particularly across the French EPR2 program, existing fleet support, and international new builds.
• Technip Energies: Technip Energies is a France-based engineering and technology company serving energy, including LNG, hydrogen, and nuclear. It is a direct peer in engineering services for large complex energy and nuclear projects, and competes with Assystem on multi-billion-dollar EPCM contracts.
• AtkinsRéalis (formerly SNC-Lavalin): AtkinsRéalis is a major engineering services firm with a significant nuclear practice, including CANDU reactor services and UK nuclear fleet support. It is a direct peer in nuclear engineering services, particularly in the UK and international markets.
• Jacobs Solutions: Jacobs is a global engineering, technical, and scientific services firm with a substantial nuclear and critical infrastructure practice. It is a direct peer in nuclear engineering, decommissioning, and complex infrastructure PMO/PMC work.
• Tractebel (ENGIE): Tractebel is ENGIE's engineering consulting division, with a strong nuclear and energy transition practice in Belgium and globally. It is a direct peer in nuclear engineering consulting, decommissioning, and energy transition projects.

Broad incumbents

• Fluor Corporation: Fluor is a major global EPC firm with energy, nuclear, and government services capabilities. It is a broad incumbent peer for large engineering, procurement, construction, and project management work in nuclear and adjacent sectors.
• AECOM: AECOM is a global infrastructure consulting firm with nuclear and energy practice. It is a broad incumbent peer for engineering services, program management, and decommissioning work overlapping with Assystem's nuclear and infrastructure portfolio.
• EDF: EDF is the largest nuclear operator in France and the primary client for Assystem's nuclear engineering services. As the owner-operator of the French fleet and the EPR2 program sponsor, EDF is both a key customer and a broader incumbent in the nuclear value chain.
• Bechtel: Bechtel is a large, US-headquartered EPC firm with deep nuclear and infrastructure experience. It is a broad incumbent in the same engineering and EPCM space Assystem operates in, particularly for large government and nuclear programs.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/GroupAssystem
• LinkedInlinkedin.com/company/orekaingenierie
• Instagraminstagram.com/assystem_official
• Xx.com/oreka_group

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 OREKA Engineering