Founded | Employees | Headquarters Location | |
|---|---|---|---|
| 1935 | 10000+ | London, GB | |
| - | 10000+ | Uxbridge, GB | |
| 1986 | 10K - 50K | London, GB | |
| 1912 | 10000+ | London, GB | |
| 2004 | 5000-10000 | Peterborough, GB | |
| 1976 | 5.0K - 10K | Dungannon, GB | |
| 1975 | 5.0K - 10K | HULL, GB | |
| 1859 | 1.0K - 5.0K | London, GB | |
| 1948 | 1000-5000 | Airdrie, GB | |
| 1911 | 1.0K - 5.0K | Derby, GB | |
| 1954 | 1 - 25 | GB | |
| 1984 | 1000-5000 | Peterborough, GB | |
| 1935 | 1000-5000 | Maidenhead, GB | |
| 1994 | 1.0K - 5.0K | Blackburn, GB | |
| - | 1000-5000 | Glasgow, GB | |
| 1950 | 500 - 1.0K | Norwich, GB | |
| 1868 | 1.0K - 5.0K | Moray, GB | |
| 2002 | 250 - 500 | Hartlebury, GB | |
| 2015 | 200-500 | Bristol, GB | |
| 1992 | 100-200 | Stratton business Park, Biggleswade, GB | |
| 2018 | 100-200 | London, GB | |
| 1976 | 25 - 100 | Lymington, GB | |
| 2015 | 10-50 | London, GB | |
| 1990 | 10-50 | Northampton , GB | |
| 2002 | 10-50 | Ilford, GB | |
| 2012 | 10-50 | London (HQ), GB | |
| 2015 | 1-10 | Manchester, GB | |
| 2019 | 1-10 | Melbourne, AU | |
| 1948 | 10K - 50K | London, GB | |
| - | 10000+ | Leeds, GB | |
| 1943 | 10000+ | UK and Europe, GB | |
| 1993 | 10000+ | Wakefield, GB | |
| 1975 | 1000-5000 | St Albans, GB | |
| 1991 | 500 - 1.0K | London, GB | |
| 1947 | 1.0K - 5.0K | Market Drayton, GB | |
| 1886 | 1.0K - 5.0K | High Wycombe, GB | |
| 1886 | 250 - 500 | Irthlingborough, GB | |
| 1991 | 1000-5000 | Trowbridge, GB | |
| 2015 | 1.0K - 5.0K | Woking, GB | |
| 1912 | 100 - 250 | Peterborough, GB | |
| 1932 | 1000-5000 | Kettering, GB | |
| - | 500-1000 | Silvertown, GB | |
| - | 1000-5000 | Scarborough, gb | |
| 1851 | 200-500 | Hull, GB | |
| - | 1000-5000 | Oldham, GB | |
| 1985 | 500 - 1.0K | Stokesley, GB | |
| 1994 | 5.0K - 10K | International, GB | |
| 1994 | 1.0K - 5.0K | Chichester, GB | |
| 1987 | 500-1000 | Chicksands, Shefford, GB | |
| 1990 | 100-200 | London, GB | |
| 1931 | 100 - 250 | GB | |
| 1972 | 25 - 100 | Peterborough, GB | |
| 1853 | 10K - 50K | Slough, GB | |
| 1952 | 500-1000 | Belfast, GB | |
| 1993 | 25 - 100 | London, GB | |
| 1963 | 200-500 | Birmingham, GB | |
| 1987 | 500-1000 | Rochester, GB | |
| 1951 | 250 - 500 | Andover, GB | |
| 1920 | 1000-5000 | North Scarle , GB | |
| 1991 | 100-200 | Manchester, GB | |
| 1997 | 25 - 100 | Pitsford, GB | |
| 1987 | 25 - 100 | Borehamwood, GB | |
| 1899 | 100 - 250 | Nelson, GB | |
| 1987 | 10-50 | London, GB | |
| 2010 | 25 - 100 | Haverhill, GB | |
| 1952 | 5000-10000 | Ely, GB | |
| 1992 | 100-200 | Braintree, GB | |
| - | 200-500 | Bradford, GB | |
| 2018 | 1 - 25 | London, GB | |
| - | 1000-5000 | Milton Keynes, gb | |
| 1970 | 100-200 | Orwell, GB | |
| 1870 | 100-200 | Ashbourne, GB | |
| 1998 | 100 - 250 | Malvern, GB | |
| 2018 | 10-50 | London , GB | |
| 1989 | 100-200 | Wrexham, GB | |
| 1934 | 25 - 100 | Wrexham, GB | |
| - | 1000-5000 | Herefordshire, GB | |
| 1998 | 10-50 | Manchester, GB | |
| 2016 | 10-50 | London, GB | |
| 2014 | 25 - 100 | Bellshill, GB | |
| - | 10000+ | GB | |
| - | 10000+ | GB | |
| - | - | THIRSK, GB | |
| - | 5000-10000 | GB | |
| - | - | Bath, GB | |
| - | 100 - 250 | Loughborough, GB | |
| - | 100-200 | Maidstone, GB | |
| - | - | NORTH FERRIBY, GB | |
| 2013 | 10-50 | Swinton, GB | |
| - | 200-500 | Syston, GB | |
| 1991 | 100 - 250 | Stroud, GB | |
| 1915 | 200-500 | London, GB | |
| - | 100 - 250 | GB | |
| 2015 | 200-500 | Kendal, GB | |
| - | 100-200 | Eastbourne, GB | |
| 1947 | 200-500 | Luton, GB | |
| - | 10-50 | London, GB | |
| 1998 | 250 - 500 | Wellingborough, GB | |
| 2011 | 5000-10000 | London, GB |