Interserve: Detailed Company Information & Corporate Profile
Summary
Interserve is a private company that has been in the industry for 142 years. The business currently specializes in Construction, Facilities Management Services areas. Interserve's headquarter is located at London, England, GB. The number of employees is at least 10K. Register with SignalHire to connect with Interserve employees and management.
| Interserve Website | interserve.com |
| Social Links |    |
| Phone Number | 44-333-207-4081, +44 118 932 0123 |
| Industries | |
| Interserve Headquarters address | Interserve House, Twyford, Berkshire, RG10 9JU GB |
| Company Size | 10000+ employees |
| Specialties | Construction, Consulting, PFI, Support services, Citizen services, Justice |
| SIC Code | 8744 |
| Founded | 1884 |
| Estimated Annual Revenue | $1B - 5B |
| Operating Status | Independent Company |
| Updated: | 2026-07-23 |
Competitors
Name | Founded | Type | Employees |
|---|---|---|---|
| 1992 | Public Company | 10K - 50K | |
| 1990 | Public Company | 50K - 100K | |
| 1919 | Public Company | 10K - 50K | |
| 1855 | Privately Held | 1 - 25 |
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
Interserve's workforce includes employees across a wide range of tenure levels.
7% have been with the company for 5 to 7 years28% have been with the company for 8 to 10 years64% have been with the company for more than 11 years
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Interserve Corporate Information: FAQ
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