| Home Office | Other | 15 | £5.4bn | 76.1% | 2026-02-04 |
| ATAMIS LTD | Other | 2 | £1.6bn | 21.9% | 2021-12-20 |
| Yorkshire and Humber Police Procurement (Y&HPP) | Other | 1 | £50m | 0.7% | 2020-12-20 |
| Ministry of Defence | Other | 2 | £46m | 0.6% | 2025-12-19 |
| National HighwaysNew | Other | 2 | £12m | 0.2% | 2024-12-17 |
| Kent Police | Other | 1 | £7m | 0.1% | 2021-12-22 |
| Yorkshire and the Humber Procurement | Other | 1 | £7m | 0.1% | 2020-12-21 |
| Police and Crime Commissioner for Dyfed Powys | Other | 1 | £4m | 0.1% | 2021-12-01 |
| Bedfordshire Fire and Rescue Service | Other | 3 | £4m | 0.0% | 2020-06-17 |
| Essex Police, Fire and Crime Commissioner Fire and Rescue Authority | Other | 2 | £3m | 0.0% | 2021-09-10 |
| South Yorkshire Police Headquarters | Other | 1 | £2m | 0.0% | 2020-01-21 |
| Police, Fire & Crime Commissioner for Staffordshire | Other | 1 | £2m | 0.0% | 2023-03-17 |
| Ministry of Justice | Other | 2 | £2m | 0.0% | 2025-04-11 |
| Department for Work & Pensions | Other | 2 | £1m | 0.0% | 2024-12-24 |
| South West Police Procurement Service | Other | 1 | £1m | 0.0% | 2023-01-17 |
| MCA - Maritime and Coastguard Agency | Other | 10 | £934k | 0.0% | 2024-12-18 |
| Civil Nuclear Police Authority (CNPA) / Civil Nuclear Constabulary (CNC) | Other | 1 | £568k | 0.0% | |
| South Yorkshire Police and Crime Commissioner | Other | 1 | £493k | 0.0% | 2022-09-23 |
| BIP SOLUTIONS LIMITEDNew | Other | 1 | £436k | 0.0% | 2024-10-08 |
| Environment Agency | Other | 1 | £418k | 0.0% | 2024-03-25 |
| Hertfordshire County Council | Other | 2 | £348k | 0.0% | 2024-02-07 |
| Hereford & Worcester Fire and Rescue Service | Other | 1 | £304k | 0.0% | 2018-10-18 |
| North West Ambulance Service Nhs Trust Charitable Fund And Other Related Charities | Other | 1 | £268k | 0.0% | 2019-01-07 |
| Nottingham City CouncilNew | Other | 1 | £189k | 0.0% | 2025-03-31 |
| Royal Berkshire Fire Authority | Other | 1 | £173k | 0.0% | 2023-03-24 |
| Tyne and Wear Passenger Transport Executive T/A Nexus | Other | 1 | £79k | 0.0% | 2019-10-30 |
| Durham County Council | Other | 1 | £70k | 0.0% | 2017-12-08 |
| Humberside Fire & Rescue Service | Other | 2 | £70k | 0.0% | 2024-03-05 |
| The Police & Crime Commissioner for SussexNew | Other | 1 | £50k | 0.0% | 2025-06-04 |
| capitalEsourcing | Other | 1 | £36k | 0.0% | 2024-03-31 |
| Kent County Council | Other | 1 | £34k | 0.0% | 2023-08-10 |
| Humberside Fire and Rescue Service | Other | 1 | £26k | 0.0% | 2019-04-29 |
| Procurement Manager | Other | 1 | £22k | 0.0% | 2023-12-01 |
| MHRA | Other | 1 | £21k | 0.0% | 2019-11-14 |
| Norfolk County Council | Other | 1 | £0k | 0.0% | |
| West Midlands Fire and Rescue Authority | Other | 2 | £0k | 0.0% | |
| DEFRA | Other | 1 | £0k | 0.0% | |
| Secretary of State for the Department of Health and Social Care - DHSC | Other | 1 | £0k | 0.0% | |