| EFFICIENCY EAST MIDLANDS LIMITED | Other | 1 | £4.6bn | 97.3% | 2019-02-13 |
| Espo | Other | 5 | £36m | 0.8% | 2022-04-03 |
| London Universities Purchasing ConsortiumNew | Other | 2 | £24m | 0.5% | 2025-12-04 |
| Hyde Housing Association | Other | 1 | £20m | 0.4% | 2020-05-12 |
| North of England Commercial Procurement Collaborative | Other | 1 | £11m | 0.2% | 2023-07-06 |
| Sunderland City CouncilNew | Other | 3 | £8m | 0.2% | 2025-01-20 |
| Catalyst Housing Limited | Other | 1 | £6m | 0.1% | 2020-04-22 |
| Cornwall CouncilNew | Other | 1 | £4m | 0.1% | 2026-03-13 |
| capitalEsourcingNew | Other | 1 | £3m | 0.1% | 2025-08-22 |
| BIP SOLUTIONS LIMITED | Other | 1 | £2m | 0.1% | 2023-07-04 |
| N H S Shared Business ServicesNew | Other | 1 | £2m | 0.0% | 2024-09-13 |
| Citizen Housing Group Ltd | Other | 1 | £2m | 0.0% | 2024-02-15 |
| North East London NHS Foundation TrustNew | Other | 1 | £1m | 0.0% | 2025-09-23 |
| Kirklees CouncilNew | Other | 2 | £1m | 0.0% | 2024-11-06 |
| National Highways Limited | Other | 1 | £1m | 0.0% | 2019-03-20 |
| CHESHIRE EAST COUNCILNew | Other | 1 | £950k | 0.0% | 2025-12-09 |
| Milton Keynes City CouncilNew | Other | 2 | £750k | 0.0% | 2025-12-22 |
| Lancashire County Council | Other | 1 | £700k | 0.0% | 2019-02-19 |
| Hampshire County Council | Other | 1 | £680k | 0.0% | 2019-04-11 |
| Herefordshire CouncilNew | Other | 1 | £603k | 0.0% | 2026-04-29 |
| London Borough of Newham | Other | 2 | £492k | 0.0% | 2023-04-30 |
| London Borough of Ealing | Other | 1 | £456k | 0.0% | 2021-03-19 |
| Tyne and Wear Fire and Rescue Authority | Other | 1 | £440k | 0.0% | 2021-07-19 |
| Bassetlaw District Council | Other | 1 | £430k | 0.0% | 2020-10-31 |
| Nottinghamshire County Council | Other | 2 | £394k | 0.0% | 2023-11-14 |
| Nursing And Midwifery Council | Other | 2 | £298k | 0.0% | 2026-03-25 |
| Mansfield District Council | Other | 1 | £253k | 0.0% | 2021-11-23 |
| VIVID | Other | 2 | £167k | 0.0% | 2022-12-19 |
| County Durham and Darlington NHS Foundation TrustNew | Other | 2 | £112k | 0.0% | 2024-09-25 |
| Newcastle City Council | Other | 2 | £93k | 0.0% | 2023-10-17 |
| Durham County Council | Other | 1 | £40k | 0.0% | 2023-06-30 |
| Medway CouncilNew | Other | 1 | £33k | 0.0% | 2026-01-05 |
| L&Q Construction | Other | 1 | £18k | 0.0% | 2019-09-04 |
| Chorley CouncilNew | Other | 1 | £0k | 0.0% | 2025-12-02 |
| In-Tend e-Tendering | Other | 1 | £0k | 0.0% | 2023-01-20 |
| NOE CPC | Other | 1 | £0k | 0.0% | 2019-02-07 |
| West Northamptonshire Council | Other | 2 | £0k | 0.0% | |
| Gentoo Group | Other | 1 | £0k | 0.0% | |
| ProcurePublic | Other | 1 | £0k | 0.0% | |
| London Borough of Bromley | Other | 1 | £0k | 0.0% | |
| LHC Procurement Group | Other | 2 | £0k | 0.0% | |
| Cardiff and Vale College | Other | 2 | £0k | 0.0% | |
| Nottingham City Council | Other | 1 | £0k | 0.0% | |
| Northern Housing Consortium Ltd | Other | 1 | £0k | 0.0% | |
| North of England Commercial Procurement Collaborative (NOE CPC) (hosted by and acting through Leeds and York Partnership NHS Foundation Trust.) | Other | 1 | £0k | 0.0% | |
| South East Coast Ambulance Service NHS Foundation Trust | Other | 1 | £0k | 0.0% | |
| HORNCHURCH ACADEMY TRUST | Other | 1 | £0k | 0.0% | |
| NHS SHARED BUSINESS SERVICES LIMITED | Other | 1 | £0k | 0.0% | |
| Homes England (the name adopted by the Homes and Communities Agency) | Other | 3 | £0k | 0.0% | |
| Sussex Community NHS Foundation Trust | Other | 1 | £0k | 0.0% | |