Founded | Employees | Headquarters Location | |
|---|---|---|---|
| 1980 | 500 - 1.0K | Worldwide, GB | |
| 1998 | 200-500 | Manchester, GB | |
| - | 200-500 | London, GB | |
| 2008 | 1 - 25 | London, GB | |
| 2003 | 100 - 250 | Oldham, GB | |
| 2001 | 25 - 100 | London, GB | |
| 2003 | 25 - 100 | Kirtlington, GB | |
| 2013 | 10-50 | London, GB | |
| 2013 | 10-50 | London, GB | |
| 2018 | 10-50 | London, GB | |
| 2002 | 10-50 | Henley in Arden, GB | |
| 2017 | 10-50 | London, GB | |
| 2018 | 10-50 | London, GB | |
| 1991 | 1 - 25 | St Albans, GB | |
| 2001 | 100 - 250 | Edinburgh, GB | |
| 2010 | 100 - 250 | Leeds, GB | |
| 1987 | 25 - 100 | Cambridge, GB | |
| 2004 | 10-50 | London, GB | |
| 1986 | 1 - 25 | Milton Keynes, GB | |
| 2006 | 100-200 | London, GB | |
| 2004 | 25 - 100 | Stirling, GB | |
| 2008 | 1 - 25 | Cheadle Hulme, GB | |
| 1995 | 10-50 | London, GB | |
| 2003 | 100 - 250 | Harrow on the Hill, GB | |
| 1998 | 200-500 | Manchester, GB | |
| 1990 | 100-200 | London, GB | |
| 2015 | 100-200 | London, GB | |
| 2008 | 10-50 | Birmingham, GB | |
| 2001 | 100-200 | Rochdale, GB | |
| 1984 | 10-50 | London, GB | |
| 1989 | 500-1000 | London, GB | |
| 2004 | 25 - 100 | London, GB | |
| - | 1-10 | Manchester, GB | |
| 1993 | 1-10 | London, GB | |
| - | 100-200 | London, GB | |
| 2003 | 100-200 | London, GB | |
| 2006 | 25 - 100 | Swansea, GB | |
| 2015 | 10-50 | Ruislip, GB | |
| 1990 | 25 - 100 | London, GB | |
| 2003 | 10-50 | London, GB | |
| 2004 | 1 - 25 | London, GB | |
| 2009 | 1 - 25 | Preston, GB | |
| 2016 | - | London, GB | |
| 1994 | 1 - 25 | Edinburgh, GB | |
| 2005 | 25 - 100 | London, GB | |
| 1958 | 5000-10000 | Maidenhead, GB | |
| 2001 | 10-50 | Glasgow, GB | |
| 2003 | 25 - 100 | Epsom, GB | |
| 2002 | 25 - 100 | London, GB | |
| - | - | Glasgow, GB | |
| 1995 | 100-200 | Whiteley, GB | |
| 2000 | 25 - 100 | London, GB | |
| 2010 | 500-1000 | Bristol, GB | |
| 2015 | 10-50 | London, GB | |
| - | - | Bicester, GB | |
| 2014 | 10-50 | London, GB | |
| 2014 | 10-50 | Swansea, GB | |
| - | 100-200 | Cambridge, GB | |
| 2015 | 1-10 | London, GB | |
| 1988 | 100-200 | London, GB | |
| 2016 | 200-500 | London, GB | |
| 2014 | 10-50 | London, GB | |
| - | 10-50 | London, GB | |
| 2001 | 10-50 | Rochdale, GB | |
| 2005 | 10-50 | Birmingham, GB | |
| 2010 | 1 - 25 | London, GB | |
| 1987 | 10-50 | LONDON, GB | |
| 2007 | - | GB | |
| 2004 | 10-50 | Leeds, GB | |
| 1992 | 10-50 | Hull, GB | |
| 1991 | 1 - 25 | Birmingham, GB | |
| 2014 | 100-200 | London, GB | |
| 2008 | 1 - 25 | England, GB | |
| 2016 | 1-10 | London, GB | |
| 2018 | 10-50 | Harrogate, GB | |
| 2012 | 100-200 | London, GB | |
| 2012 | 1 - 25 | London, GB | |
| 2017 | 25 - 100 | London, GB | |
| 2019 | 10-50 | London, GB | |
| 2006 | 25 - 100 | London, GB | |
| 2018 | 1-10 | Harrogate, GB | |
| 2010 | 10-50 | Newquay, GB | |
| 2001 | 100-200 | London, GB | |
| 2012 | 10-50 | London, GB | |
| 1999 | 1 - 25 | Runcorn, GB | |
| 2016 | 100-200 | Birmingham, GB | |
| 2014 | 10-50 | London, GB | |
| 2006 | 1 - 25 | Edinburgh, GB | |
| 1992 | 1 - 25 | Hull, GB | |
| 2008 | 1-10 | Bradford, GB | |
| 1992 | 25 - 100 | Chelmsford, GB | |
| 2007 | 10-50 | London, GB | |
| 2014 | 100-200 | Leeds, GB | |
| 2018 | 10-50 | London, GB | |
| 2019 | 10-50 | Manchester, GB | |
| 2012 | 1-10 | Kingston upon Thames, GB | |
| 2013 | 10-50 | London, GB | |
| 2007 | 1-10 | Norwich, GB | |
| 2012 | - | Margate, GB |