Founded | Employees | Headquarters Location | |
|---|---|---|---|
| 1950 | 10000+ | London, GB | |
| 1979 | 5000-10000 | London, GB | |
| 2021 | 5000-10000 | Southampton, GB | |
| 1901 | 5.0K - 10K | London, GB | |
| 1813 | 1000-5000 | Basingstoke, GB | |
| 1881 | 1.0K - 5.0K | Prescot, GB | |
| 1783 | 25 - 100 | London, GB | |
| 1945 | 500-1000 | London, GB | |
| 1833 | 25 - 100 | London , GB | |
| 1978 | 1.0K - 5.0K | Aintree, GB | |
| - | 200-500 | Basingstoke, GB | |
| 2000 | 200-500 | London, GB | |
| 1997 | 200-500 | Chepstow, GB | |
| 1992 | 100 - 250 | London, GB | |
| 2009 | 100-200 | London, GB | |
| 1992 | 100-200 | London, GB | |
| 2010 | 100-200 | London, GB | |
| 1993 | 100-200 | London, GB | |
| 1986 | 100-200 | Newcastle upon Tyne, GB | |
| 2002 | 25 - 100 | London, GB | |
| 2015 | 100-200 | London, GB | |
| 2012 | 100-200 | London, GB | |
| - | 1-10 | London, GB | |
| 2008 | 10-50 | London, GB | |
| 2012 | 10-50 | London, GB | |
| 1992 | 25 - 100 | Bristol, GB | |
| 1998 | 25 - 100 | Essex, GB | |
| 2015 | 10-50 | London, GB | |
| 2019 | 10-50 | Manchester, GB | |
| 2015 | 10-50 | London, GB | |
| 1997 | 10-50 | HEMEL HEMPSTEAD, GB | |
| - | 10-50 | Harrogate, GB | |
| - | 10-50 | London, GB | |
| - | 10-50 | London, GB | |
| 2013 | 1-10 | Torquay, GB | |
| 2018 | 1-10 | Mayfair, GB | |
| 2021 | 1-10 | London, GB | |
| 1885 | 10K - 50K | London, GB | |
| - | 10-50 | LONDON, GB | |
| 2011 | 200-500 | London, GB | |
| 2007 | 10-50 | London, GB | |
| 2009 | 100-200 | Jersey, GB | |
| - | 1000-5000 | London, GB | |
| 2003 | 100-200 | Oldham, GB | |
| 1993 | 25 - 100 | Coventry, GB | |
| 1996 | 10-50 | Londonderry, GB | |
| 2011 | 100-200 | Swindon, GB | |
| 1985 | 100-200 | London, GB | |
| 2002 | 500 - 1.0K | Belfast, GB | |
| 2005 | 10-50 | Ipswich, GB | |
| 1955 | 200-500 | London, GB | |
| 2014 | 100-200 | Londres, GB | |
| 2002 | 10-50 | London, GB | |
| 1999 | 10-50 | Edinburgh, GB | |
| 2010 | 10-50 | London, GB | |
| - | 200-500 | Glasgow, GB | |
| 1954 | 100-200 | London, GB | |
| - | 100-200 | Bath, GB | |
| 1916 | 1 - 25 | London, GB | |
| 2009 | 10-50 | London, GB | |
| 1979 | 25 - 100 | Oxford, GB | |
| 2003 | 10-50 | Oxford, GB | |
| 2001 | 25 - 100 | Belfast, GB | |
| 2013 | 10-50 | London, GB | |
| 1990 | 100-200 | Abingdon, GB | |
| 2001 | 100-200 | Southall, GB | |
| 1979 | 10-50 | Gateshead, GB | |
| 2002 | 100-200 | London, GB | |
| - | 200-500 | Douglas, gb | |
| 2013 | 10-50 | London and Leeds, GB | |
| 1992 | 25 - 100 | Hailsham, GB | |
| 2014 | 1-10 | London, GB | |
| - | 100-200 | London, GB | |
| 1992 | 100-200 | London, GB | |
| 1959 | 100-200 | London, GB | |
| 1841 | 25 - 100 | Liverpool, GB | |
| 2014 | 1-10 | GB | |
| 1990 | 10-50 | Leicester, GB | |
| - | 10-50 | Lewes, gb | |
| 2000 | 100 - 250 | Belfast, GB | |
| 2004 | 25 - 100 | London, GB | |
| - | 100-200 | GB | |
| 2017 | 10-50 | London, GB | |
| 2008 | 100-200 | Lewes, GB | |
| 1999 | 100-200 | London, GB | |
| 2014 | 200-500 | London, GB | |
| 1878 | 25 - 100 | London, GB | |
| 1858 | 200-500 | London, GB | |
| 1995 | 25 - 100 | London, GB | |
| - | 100-200 | Milngavie, GB | |
| 1984 | 100-200 | Brighton, GB | |
| 1982 | 1 - 25 | London, GB | |
| 2018 | 1-10 | London, GB | |
| 2010 | 10-50 | Dubai International Airport, AE | |
| 2007 | 100 - 250 | London, GB | |
| 1999 | 100-200 | London, GB | |
| 2014 | 10-50 | London, GB | |
| 2015 | 10-50 | London, GB | |
| - | 1-10 | Royal Tunbridge Wells, GB |