Insights

Growing Nuclear Expertise Assystem's strong position as one of the top three global nuclear engineering firms, with extensive experience and a client base including industry leaders like EDF, Rolls Royce, and ITER, indicates a high potential for partnerships and consulting services in nuclear project development, refurbishment, and safety solutions.

Digital Transformation Focus With active development of digital twins, simulation ecosystems, and AI applications in nuclear projects, Assystem presents opportunities for technology providers specializing in digital solutions, IoT, and advanced analytics to collaborate on innovative infrastructure modernization and monitoring tools.

Expansion & Acquisitions Recent office expansions and strategic acquisitions like Mactech Energy Group showcase Assystem's ambitions to increase market share, particularly in the UK and nuclear construction sectors, opening doors for suppliers of construction technology, project management platforms, and engineering services.

Sustainable Energy Leadership Assystem’s commitment to accelerating energy transition through nuclear, renewable energies, and clean hydrogen projects signals opportunities for renewable technology providers, low-carbon transport firms, and green energy infrastructure startups to partner on large-scale decarbonization initiatives.

Innovation & Industry Recognition Award-winning solutions and active engagement at safety and performance forums underscore Assystem’s openness to cutting-edge innovations. This presents prospects for tech firms and consultants specializing in risk assessment, safety standards, and industrial innovation to offer tailored solutions aligned with nuclear industry excellence.

Assystem Tech Stack

Assystem uses 8 technology products and services including QuickBooks, Prometheus, NetApp, and more. Explore Assystem's tech stack below.

  • QuickBooks
    Accounting And Finance
  • Prometheus
    Data Management
  • NetApp
    Data Management
  • ISO/IEC 27001
    Governance, Risk And Compliance
  • Prototype
    Javascript Frameworks
  • Oracle Primavera Cloud
    Project Management
  • New Relic
    Real User Monitoring
  • Google Analytics
    Web Analytics

Media & News

Assystem's Email Address Formats

Assystem uses at least 1 format(s):
Assystem Email FormatsExamplePercentage
FLast@assystem.comJDoe@assystem.com
70%
First.Last@assystem.comJohn.Doe@assystem.com
16%
First@assystem.comJohn@assystem.com
13%
FirstLast@assystem.comJohnDoe@assystem.com
1%

Frequently Asked Questions

What is Assystem's phone number?

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You can contact Assystem's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Assystem's stock symbol?

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Assystem is a publicly traded company; the company's stock symbol is 0OA7.L.

What is Assystem's official website and social media links?

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Assystem's official website is assystem.com and has social profiles on LinkedInCrunchbase.

How much revenue does Assystem generate?

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As of December 2025, Assystem's annual revenue is estimated to be $5B.

What is Assystem's SIC code NAICS code?

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Assystem's SIC code is 8711 - Engineering Services NAICS code is 5416 - Management, Scientific, and Technical Consulting Services.

How many employees does Assystem have currently?

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As of December 2025, Assystem has approximately 7.9K employees across 6 continents, including EuropeAsiaNorth America. Key team members include Cfo Sbu Ingenierie: G. B.Chief Technology Officer-Svp Digital Transformation: R. P.Chief People Officer: V. V. P. F.. Explore Assystem's employee directory with LeadIQ.

What industry does Assystem belong to?

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Assystem operates in the Business Consulting and Services industry.

What technology does Assystem use?

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Assystem's tech stack includes QuickBooksPrometheusNetAppISO/IEC 27001PrototypeOracle Primavera CloudNew RelicGoogle Analytics.

What is Assystem's email format?

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Assystem's email format typically follows the pattern of FLast@assystem.com. Find more Assystem email formats with LeadIQ.

Assystem

Business Consulting and ServicesÎle-de-france, France5001-10000 Employees

Assystem, one of the world's leading independent nuclear engineering companies, is committed to accelerating the energy transition. We see ourselves as an activist in the development of nuclear energy, convinced that it is an essential part of the fight against climate change.

8,000 switchers, spread in 13 countries in Europe, Asia, Africa and the Middle East are working every day to make the energy switch by accelerating the development of nuclear and renewable energies, power grids, clean hydrogen projects and low-carbon transport.

We design and supervise major projects through our engineering activities and accelerate our customers' digital transformation. We also develop new solutions to build faster and improve the performance of complex infrastructures.

55 years of experience have made Assystem a key partner of the world's largest industrial groups: CEA, EDF, ENEC, Enedis, Engie, Framatome, ITER, K.A. CARE, Naval Group, NICDC, Orano, RATP, Rolls Royce, Royal Commission, Sellafield, SNCF...

Assystem is ranked in the Top 3 companies in the nuclear energy sector.

Section iconCompany Overview

Phone number
SIC Code
8711 - Engineering Services
Stock Symbol
0OA7.L
NAICS Code
5416 - Management, Scientific, and Technical Consulting Services
Employees
5001-10000

Section iconFunding & Financials

  • $1B$10B

    Assystem's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $1B$10B

    Assystem's revenue is estimated to be in the range of $1B$10B

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