Founded | Employees | Headquarters Location | |
|---|---|---|---|
| 1327 | 25 - 100 | London, GB | |
| 1834 | 200-500 | London, GB | |
| 1988 | 100 - 250 | London, GB | |
| 1900 | 200-500 | Newcastle upon Tyne, GB | |
| 1905 | 200-500 | GB | |
| 1989 | 10-50 | London, GB | |
| - | 100-200 | GB | |
| - | 100-200 | London, GB | |
| - | 25 - 100 | GB | |
| 2009 | 100-200 | Salisbury, GB | |
| 2017 | 500-1000 | Sunderland, GB | |
| 2016 | 10-50 | London , GB | |
| 2005 | 1-10 | Hertford, GB | |
| 1986 | 25 - 100 | London, GB | |
| 2018 | 10-50 | London, GB | |
| - | 10-50 | GB | |
| - | 1-10 | GB | |
| - | 1-10 | London, GB | |
| - | 1-10 | Ripon, GB |