Founded | Employees | Headquarters Location | |
|---|---|---|---|
| 1919 | 250 - 500 | Burgess Hill, GB | |
| 1990 | 5.0K - 10K | Cambridge, GB | |
| 1999 | 1000-5000 | Cambridge, GB | |
| 1947 | 1000-5000 | Chelmsford, GB | |
| - | 500-1000 | Reading, GB | |
| 1989 | 200-500 | Stevenage, GB | |
| 2003 | 25 - 100 | Edinburgh, GB | |
| 1990 | 10-50 | Ringwood, GB | |
| 2011 | 25 - 100 | Cwmbran, GB | |
| 2020 | - | Manchester, GB | |
| 1985 | 500-1000 | Kings Langley, GB | |
| 2003 | 200-500 | Newbury, GB | |
| 2008 | 1 - 25 | Bristol, GB | |
| 2009 | 500-1000 | Newport, GB | |
| 1990 | 100-200 | St Albans, GB | |
| 2005 | 100-200 | Bristol, GB | |
| 2004 | 200-500 | Bellshill, GB | |
| 2005 | 10-50 | Guildford, GB | |
| 2000 | 100-200 | Bath, GB | |
| 2009 | 10-50 | Manchester, GB | |
| - | 200-500 | GB | |
| 2001 | 100-200 | Abingdon, GB | |
| 1988 | 500 - 1.0K | Cardiff, GB | |
| 2016 | 500-1000 | Bristol, GB | |
| 1967 | 25 - 100 | Sandy, GB | |
| 1968 | 100-200 | Langford, GB | |
| 2001 | 25 - 100 | Abingdon, GB | |
| 2002 | 250 - 500 | London, GB | |
| 2012 | 1 - 25 | Maidenhead, GB | |
| 2010 | 200-500 | Cambridge, GB | |
| - | 1-10 | GB | |
| 1989 | 1 - 25 | GB | |
| 2003 | 100-200 | BLANTYRE, GB | |
| - | 100-200 | GB | |
| - | 500-1000 | GB | |
| 2001 | 10-50 | Cambridge, GB | |
| 1967 | 1 - 25 | Glenrothes, GB | |
| 1992 | 1 - 25 | Glasgow, GB | |
| 2016 | 1 - 25 | Southampton, GB | |
| 1979 | 1 - 25 | Redditch, GB | |
| 2005 | 100-200 | Wembley, GB | |
| - | 1-10 | London, GB | |
| 2009 | 100-200 | Glasgow, GB | |
| 2016 | 100-200 | Cambridge, GB | |
| 2014 | 10-50 | London, GB | |
| 1983 | 25 - 100 | Lancing, GB | |
| 1981 | 100-200 | St Neots, GB | |
| 2018 | 10-50 | Maidenhead, GB | |
| 2017 | 25 - 100 | Kidlington, GB | |
| 2005 | 1 - 25 | York, GB | |
| 2018 | 100-200 | Redcliffe Way, GB | |
| 2016 | 1 - 25 | Cambridge, GB | |
| 2018 | 10-50 | Cambridge, GB | |
| - | - | GB | |
| 2006 | 10-50 | Preston Bissett, GB | |
| 1997 | 25 - 100 | Newport, GB | |
| 1963 | 10000+ | Crawley, GB | |
| 1973 | 10-50 | Cannock, GB | |
| 2005 | 1-10 | Livingston, GB | |
| - | 10-50 | Bristol, GB | |
| - | - | GB | |
| 1984 | 1-10 | Tumble, GB | |
| 2020 | 10-50 | Wokingham, GB | |
| 1987 | 10-50 | Bury St Edmunds, GB | |
| 2009 | - | Andover, GB | |
| - | 10-50 | WELWYN GARDEN CITY, GB | |
| 2021 | 10-50 | Letchworth Garden City, GB | |
| 2021 | 10-50 | London, GB | |
| - | 10000+ | Newport , GB | |
| 2022 | 10-50 | Dublin, IE |