| NHS Shared Business Services | Salford | 1 | 5 |
| Softcat | Marlow | 5 | 176 |
| Insight Direct | Sheffield | 5 | 121 |
| XMA | Nottingham | 5 | 93 |
| Language Line | London | 5 | 3 |
| Dell Corporation | Bracknell | 4 | 95 |
| Centerprise | Basingstoke | 3 | 48 |
| Stone Computers | Stafford | 3 | 24 |
| GE Healthcare | Buckinghamshire, Chalfont St Giles | 3 | 22 |
| Dacoll | Bathgate | 3 | 3 |
| Specialist Computer Centres | Birmingham | 4 | 122 |
| CDW | London | 4 | 71 |
| Computacenter | Hatfield | 4 | 118 |
| Prestige Network | Newbury, Berkshire | 3 | 2 |
| Civica | London, Altrincham | 2 | 86 |
| Phoenix Software | Leatherhead | 2 | 93 |
| Bytes Software Services | Leatherhead | 2 | 70 |
| Software Box | York | 2 | 89 |
| European Electronique | Oxford | 2 | 34 |
| Trustmarque Solutions | London | 2 | 30 |
| Academia | Enfield | 2 | 30 |
| Ricoh | Northampton | 2 | 19 |
| Wates Construction | Leatherhead, Surrey | 2 | 24 |
| J Tomlinson | Birmingham, Nottingham | 2 | 16 |
| Interserve Construction | Birmingham, Interserve Construction Limited | 2 | 14 |
| CCS Media | Nottingham | 2 | 17 |
| Total Computer Networks | Kettering | 2 | 12 |
| Getech | Ipswich | 2 | 8 |
| Bechtle Direct | Chippenham | 2 | 8 |
| Khipu Networks | Fleet | 2 | 8 |
| Mti Technology | Edinburgh | 2 | 5 |
| RG Carter Cambridge | Norfolk, Norwich | 2 | 13 |
| Proact IT | Chesterfield | 2 | 4 |
| Cisilion | Leatherhead | 2 | 3 |
| Eacs | Huntingdon | 2 | 3 |
| GF Tomlinson Building | Little Eaton, Little Eaton Derby | 2 | 3 |
| Language Shop | London | 2 | 3 |
| Tet | London | 2 | 3 |
| Novosco | Belfast | 2 | 2 |
| Nviron | Runcorn | 2 | 2 |
| Omnes Healthcare | Nottingham, London | 2 | 2 |
| Switchshop | Kimpton | 2 | 2 |
| Capita Translation & Interpreting | London | 2 | 2 |
| Information Data & Network Supplies | Bolton | 2 | 2 |
| Amicus Its | Totton | 2 | 2 |
| Broomwell Healthwatch | Manchester | 2 | 2 |
| Conamar Building Services | Herts, Stevenage | 2 | 2 |
| Desk Top Publishing Micro Systems | Leeds | 2 | 2 |
| Galliford Try Construction | Middlesex, Uxbridge | 2 | 2 |
| H4All | Hayes, West Drayton | 2 | 2 |
| Hillingdon Mind | Uxbridge, Company Number | 2 | 2 |
| Insight Systems | Wrotham | 2 | 2 |
| Language Connect | London | 2 | 2 |
| Lingvohouse Translation Services | London | 2 | 2 |
| Mother Technologies | Aberdeen | 2 | 2 |
| MTX Contracts | Handforth | 2 | 2 |
| Oncall Interpreters | London | 2 | 2 |
| Parity Computers | Liverpool | 2 | 2 |
| Punch Technology | Liverpool | 2 | 2 |
| Recom Solutions | Wigan, Salford | 2 | 2 |
| Riomed | Eastleigh | 2 | 2 |
| Salford Royal NHS Trust | Salford | 2 | 2 |
| Sign Solutions Slia | Birmingham | 2 | 2 |
| Six Degrees Technology Group | Commodity Quay, Studley | 2 | 2 |
| Soft FM Asset Compliance & Security Services | Liverpool, Romford | 2 | 2 |
| Trustco | Brighton | 2 | 2 |
| Xiel | Shepton Mallet, Somerset | 2 | 2 |
| Kooth | Islington | 5 | 5 |
| Greenbrook Healthcare Hounslow | Derby | 3 | 3 |
| BDO | London | 2 | 32 |
| Da Languages | Stretford | 2 | 19 |
| Supreme Linguistic Services | Birmingham | 2 | 6 |
| Bid Services | Birmingham | 2 | 5 |
| Language Empire | Rochdale | 2 | 4 |
| Aa Global Language Services | Hull | 2 | 5 |
| Thebigword Group | Leeds | 2 | 3 |
| Inhealth | High Wycombe | 2 | 3 |
| Curium Pharma | Portsmouth | 2 | 2 |
| Stroke Association | London | 2 | 2 |
| Word360 | Edgbaston | 2 | 2 |
| Itl North East | Gateshead | 2 | 2 |
| Aprobrium | Banbury | 2 | 2 |
| Absolute Interpreting & Translations | Birmingham | 2 | 2 |
| Action Deafness | Leicester | 2 | 2 |
| Advanced Accelerator Applications UK & Ireland | London | 2 | 2 |
| Alliance Medical Radiopharmacy | Warwick | 2 | 2 |
| Direct Access Consultancy | Nantwich | 2 | 2 |
| Enable2 CIC | Bradford | 2 | 2 |
| Everyone Active | London | 2 | 2 |
| Faircomplus | Birmingham | 2 | 2 |
| Global Language Services | Glasgow | 2 | 2 |
| Global Translation Services | Birmingham | 2 | 2 |
| Language Is Everything | Hull | 2 | 2 |
| Papillon Translations | Newcastle upon Tyne | 2 | 2 |
| Silent Sounds Communications | High Wycombe | 2 | 2 |
| Topp Language Solutions | Stockport | 2 | 2 |
| Deloitte | London | 1 | 122 |
| Grant Thornton | Islington | 1 | 38 |
| Esh Construction | Durham | 1 | 34 |
| CLC Contractors | Hampshire | 1 | 32 |