Founded | Employees | Headquarters Location | |
|---|---|---|---|
| 1909 | 10K - 50K | London, GB | |
| 1856 | 10000+ | London, GB | |
| 1888 | 10000+ | London, GB | |
| 1766 | 1.0K - 5.0K | London, GB | |
| 1992 | 500 - 1.0K | London, GB | |
| - | 1000-5000 | Leicester, GB | |
| 1893 | 100 - 250 | London, GB | |
| 1919 | 500 - 1.0K | Lytham St. Annes, GB | |
| 1894 | 25 - 100 | London, GB | |
| 2006 | 200-500 | Feltham, GB | |
| 2001 | 500 - 1.0K | London, GB | |
| 2019 | 200-500 | London, GB | |
| 2002 | 100 - 250 | Henley on Thames, GB | |
| 2001 | 250 - 500 | Fernhurst, GB | |
| 1781 | 25 - 100 | London, GB | |
| 2004 | 100-200 | Maidenhead, GB | |
| 1999 | 100-200 | London, GB | |
| 2015 | 25 - 100 | Bath, GB | |
| 2010 | 1 - 25 | London, GB | |
| 1962 | 25 - 100 | London, GB | |
| 1969 | 25 - 100 | London, GB | |
| 2008 | 100-200 | Swindon, GB | |
| - | 100-200 | Mayfair , GB | |
| - | 100-200 | London, GB | |
| 1956 | 100-200 | London, GB | |
| 2018 | 100-200 | London, GB | |
| 2008 | 10-50 | London, GB | |
| 2010 | 10-50 | London, GB | |
| 2006 | 10-50 | London, GB | |
| 2000 | 25 - 100 | London, GB | |
| 2013 | 10-50 | London, GB | |
| 1880 | 10-50 | GB | |
| 1777 | 10-50 | Warminster, GB | |
| 2019 | 10-50 | London, GB | |
| 2021 | 10-50 | London, GB | |
| - | 10-50 | London, GB | |
| 2021 | 10-50 | London, GB | |
| - | 1-10 | Birmigham, GB | |
| - | 1-10 | Altrincham, GB | |
| 1924 | 100-200 | London, GB | |
| 1998 | 500 - 1.0K | Church Crookham, GB | |
| 1970 | 1.0K - 5.0K | London, GB | |
| 2000 | 1000-5000 | London, GB | |
| 1904 | 1.0K - 5.0K | Goodwood, GB | |
| - | 100-200 | GB | |
| 2010 | 25 - 100 | London, GB | |
| 2002 | 100 - 250 | London, GB | |
| 2008 | 1000-5000 | London, GB | |
| 1971 | 1000-5000 | Somerset, GB | |
| 1798 | 100-200 | London, GB | |
| 1996 | 1.0K - 5.0K | London, GB | |
| 1971 | 250 - 500 | London, GB | |
| 1990 | 250 - 500 | London, GB | |
| 1960 | 100 - 250 | London, GB | |
| - | 10-50 | London, GB | |
| 1870 | 100 - 250 | London, GB | |
| 1735 | 1 - 25 | London, GB | |
| 2012 | 25 - 100 | London, GB | |
| 1998 | 100 - 250 | London, GB | |
| 1842 | 100 - 250 | London, GB | |
| 2001 | 100-200 | West Malling, GB | |
| 1907 | 10-50 | London, GB | |
| 1778 | 1000-5000 | Leicester, GB | |
| 1771 | 100-200 | London, GB | |
| 1996 | 10-50 | Winchester, GB | |
| 2000 | 200-500 | London, GB | |
| 2008 | 100 - 250 | London, GB | |
| 1897 | 100 - 250 | London, GB | |
| 1939 | 100-200 | London, GB | |
| 1989 | 25 - 100 | London, GB | |
| 1887 | 100 - 250 | GB | |
| 2008 | 10-50 | London, GB | |
| 1936 | 100-200 | Skipton, GB | |
| 2010 | 200-500 | London, GB | |
| 2004 | 100-200 | London, GB | |
| 2003 | 100-200 | London, GB | |
| 2009 | 100-200 | London, GB | |
| 2002 | 25 - 100 | London, GB | |
| - | 200-500 | Redditch, GB | |
| - | 100 - 250 | Birmingham, GB | |
| 1990 | 100-200 | London, GB | |
| 1997 | 1-10 | Belfast, GB | |
| 2008 | 100 - 250 | LONDON, GB | |
| 2009 | 100-200 | London, GB | |
| 2012 | 200-500 | London, GB | |
| 1814 | 100-200 | London, GB | |
| 2015 | 1-10 | London, GB | |
| 1834 | 100-200 | The Hollow, Washington, GB | |
| 2007 | 200-500 | London, GB | |
| 2002 | 25 - 100 | London, GB | |
| 2015 | 10-50 | Coventry, GB | |
| 1866 | 100 - 250 | Northampton UK, GB | |
| - | 10-50 | London, GB | |
| 1967 | 100 - 250 | Great Torrington, GB | |
| 1972 | 10-50 | London, GB | |
| 2012 | 25 - 100 | London, GB | |
| 2007 | 1-10 | Glasgow, GB | |
| 1992 | 1-10 | London, GB | |
| 2008 | 10-50 | LONDON, GB |