How many employees work at Sellafield?
Sellafield Ltd. has 4,811 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -0.4%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
About Sellafield
Sellafield Ltd is a global centre for nuclear engineering management. We pioneered the harnessing of nuclear power to generate electricity for the country. Now the world is watching as we set international standards in high-hazard reduction. In short, we’re at the forefront of the industry.
As of September 2025
Sellafield
workforce metrics
Headcount
4.8k
Avg. Salary
$74.3k
Tenure
5.0yr
Growth Rate
-0.4%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Sellafield annual worldwide employee count from 2023 to 2025.
- Sellafield total number of employees in 2025 was 4,871.541, a 0.4% decline from 2024.
- Sellafield total number of employees in 2024 was 4,796.514, a 7.4% increase from 2023.
- Sellafield total number of employees in 2023 was 4,426.535, a 2.1% increase from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Sellafield annual active job postings from 2023 to 2025.
- Sellafield active job postings in 2025 was 6, a 174.2% decline from 2024.
- Sellafield active job postings in 2024 was 100, a 3.0% increase from 2023.
- Sellafield active job postings in 2023 was 97, a 131.6% increase from 2022.
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Employee Sentiment
Sentiment Topics
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