How many employees work at Zellis UK?
Zellis UK Ltd. has 3,627 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 6.2%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
About Zellis UK
With over 50 years' experience and almost 2,000 employees, Zellis provides payroll, HR and managed services to UK and Ireland based companies with over 500 employees. We are the largest business of this nature in the UK counting a third of the FTSE 100 as customers, serving over 5 million of our customers' employees and processing in excess of 60 million payslips a year. We are also the people behind ResourceLink, the award winning Payroll and HR software.
As of September 2025
Zellis UK
workforce metrics
Headcount
3.6k
Avg. Salary
$58.5k
Tenure
3.1yr
Growth Rate
6.2%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Zellis UK annual worldwide employee count from 2023 to 2025.
- Zellis UK total number of employees in 2025 was 3,660.42, a 6.2% increase from 2024.
- Zellis UK total number of employees in 2024 was 3,423.556, a 3.0% increase from 2023.
- Zellis UK total number of employees in 2023 was 3,325.587, a 5.7% increase from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Zellis UK annual active job postings from 2023 to 2025.
- Zellis UK active job postings in 2025 was 396, a 21.8% increase from 2024.
- Zellis UK active job postings in 2024 was 399, a 62.1% increase from 2023.
- Zellis UK active job postings in 2023 was 210, a 16.5% increase from 2022.
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Employee Sentiment
Sentiment Topics
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