| Transport for LondonNew | Other | 4 | £296m | 43.0% | 2025-12-11 |
| Home Office | Other | 5 | £249m | 36.2% | 2025-12-18 |
| East Midlands Strategic Commercial Unit (EMSCU) | Other | 1 | £50m | 7.3% | 2018-11-15 |
| Northern Ireland Fire and Rescue ServiceNew | Other | 6 | £23m | 3.3% | 2025-08-06 |
| BLUELIGHT COMMERCIAL LIMITED | Other | 4 | £10m | 1.5% | 2021-02-22 |
| National Highways LimitedNew | Other | 1 | £10m | 1.4% | 2025-12-09 |
| Yorkshire and the Humber Procurement | Other | 2 | £8m | 1.2% | 2022-12-31 |
| National Highways | Other | 3 | £8m | 1.1% | 2022-01-10 |
| Tyne and Wear Fire and Rescue AuthorityNew | Other | 2 | £7m | 1.1% | 2024-06-24 |
| West Midlands Fire ServiceNew | Other | 1 | £7m | 1.0% | 2024-06-26 |
| Police and Crime Commissioner for Lincolnshire | Other | 2 | £7m | 1.0% | 2025-12-03 |
| Ministry of Justice | Other | 2 | £6m | 0.8% | 2022-02-28 |
| Joint Procurement Service for Surrey and Sussex Police | Other | 4 | £3m | 0.5% | 2023-09-07 |
| N H S Shared Business ServicesNew | Other | 1 | £2m | 0.3% | 2024-09-13 |
| Lancashire Constabulary | Other | 1 | £1m | 0.2% | 2023-09-13 |
| West Yorkshire Combined AuthorityNew | Other | 1 | £773k | 0.1% | 2024-11-11 |
| COLLEGE OF POLICING LIMITED | Other | 1 | £387k | 0.1% | 2024-02-09 |
| Yorkshire and Humber Police Procurement (Y&HPP)New | Other | 1 | £230k | 0.0% | 2024-06-07 |
| Cheshire Constabulary on behalf of the Police and Crime Commissioner for Cheshire | Other | 1 | £223k | 0.0% | 2021-06-22 |
| South Yorkshire Fire & RescueNew | Other | 1 | £156k | 0.0% | 2025-03-31 |
| Tyne and Wear Passenger Transport Executive T/A Nexus | Other | 1 | £83k | 0.0% | 2023-10-27 |
| H M REVENUE & CUSTOMSNew | Other | 1 | £65k | 0.0% | 2025-09-19 |
| Ministry of Defence | Other | 1 | £48k | 0.0% | 2023-01-01 |
| The Police and Crime Commissioner for NottinghamshireNew | Other | 1 | £28k | 0.0% | 2025-03-06 |
| South East Coast Ambulance Service NHS Foundation TrustNew | Other | 1 | £24k | 0.0% | 2025-06-04 |
| EMSCU Nottinghamshire Police | Other | 3 | £0k | 0.0% | 2019-01-28 |
| South Yorkshire Police and Crime Commissioner | Other | 1 | £0k | 0.0% | 2019-07-30 |
| Scottish Prison Service | Other | 1 | £0k | 0.0% | |
| The Police and Crime Commissioner for Humberside | Other | 1 | £0k | 0.0% | |
| The Mayor and Commonalty and Citizens of the City of London | Other | 1 | £0k | 0.0% | |
| Northumbria Police | Other | 1 | £0k | 0.0% | |
| Leicestershire Fire and Rescue Service | Other | 2 | £0k | 0.0% | |
| Northern Ireland Fire and Rescure Service | Other | 6 | £0k | 0.0% | |
| Meta Procurement, on behalf of Efficiency East Midlands Limited | Other | 1 | £0k | 0.0% | |
| East Of England NHS Collaborative Hub | Other | 1 | £0k | 0.0% | |
| Hertfordshire County Council | Other | 1 | £0k | 0.0% | |
| Hereford and Worcester Fire Authority | Other | 1 | £0k | 0.0% | |
| Scottish Fire and Rescue Service | Other | 2 | £0k | 0.0% | |
| Cheshire Fire Authority | Other | 1 | £0k | 0.0% | |
| ScotRail Trains Limited | Other | 1 | £0k | 0.0% | |
| POLICE DIGITAL SERVICE | Other | 1 | £0k | 0.0% | |
| NHS SHARED BUSINESS SERVICES LIMITED | Other | 2 | £0k | 0.0% | |
| Police and Crime Commissioner for North Wales Police & North Wales Police | Other | 1 | £0k | 0.0% | |