Assystem SA has 14,664 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -0.2%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
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. 7,000 switchers, spread in 12 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, SGP, SNCF... Assystem is ranked in the Top 3 companies in the nuclear energy sector.
As of September 2025
Assystem
workforce metrics
Headcount
14.7k
Avg. Salary
$50.8k
Tenure
4.8yr
Growth Rate
-0.2%
Hiring Rate
Attrition Rate
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Interactive chart of Assystem annual worldwide employee count from 2023 to 2025.
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Interactive chart of Assystem annual active job postings from 2023 to 2025.
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