How many employees work at Interserve?
Interserve Plc has 6,677 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -8.5%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
About Interserve
Interserve is one of the world’s foremost construction, ground shoring and citizen services companies and we have a workforce of circa 12,000 people worldwide. Interserve's FM business was acquired by Mitie Group Plc in November 2020. Interserve is now made up of our market-leading construction business – called Tilbury Douglas - our global equipment services business RMD Kwikform and a justice business that delivers excellent services through five Community Rehabilitation Companies.
As of September 2025
Interserve
workforce metrics
Headcount
6.7k
Avg. Salary
$48k
Tenure
7.1yr
Growth Rate
-8.5%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Interserve annual worldwide employee count from 2023 to 2025.
- Interserve total number of employees in 2025 was 6,518.874, a 8.5% decline from 2024.
- Interserve total number of employees in 2024 was 6,587.698, a 6.4% increase from 2023.
- Interserve total number of employees in 2023 was 6,438.382, a 0.3% increase from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Interserve annual active job postings from 2023 to 2025.
- Interserve active job postings in 2025 was 450, a 41.3% increase from 2024.
- Interserve active job postings in 2024 was 571, a 79.2% increase from 2023.
- Interserve active job postings in 2023 was 247, a 39.8% increase from 2022.
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Employee Sentiment
Sentiment Topics
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