| NHS SHARED BUSINESS SERVICES LIMITEDNew | Other | 7 | £250m | 47.8% | 2025-11-11 |
| Office for National Statistics | Other | 2 | £230m | 44.0% | 2021-05-28 |
| NHS England | Other | 8 | £32m | 6.0% | 2026-02-12 |
| Department of Health and Social Care (T&T) | Other | 1 | £5m | 1.0% | 2021-03-17 |
| N H S Shared Business Services | Other | 1 | £3m | 0.6% | 2024-01-26 |
| Department of Health & Social Care | Other | 6 | £785k | 0.2% | 2025-06-26 |
| Hull & East Yorkshire Hospitals Nhs Trust | Other | 1 | £180k | 0.0% | 2018-05-18 |
| Manchester University NHS Foundation Trust | Other | 1 | £171k | 0.0% | 2021-12-20 |
| General Medical Council (GMC) | Other | 1 | £160k | 0.0% | 2022-11-24 |
| Dorset County Hospital NHS Foundation Trust | Other | 2 | £152k | 0.0% | 2025-07-11 |
| Care Quality CommissionNew | Other | 2 | £152k | 0.0% | 2024-07-12 |
| Department of Health and Social Care (DHSC) | Other | 1 | £151k | 0.0% | 2022-12-06 |
| The Queen Elizabeth Hospital King's Lynn NHS Foundation Trust | Other | 6 | £144k | 0.0% | 2024-02-01 |
| Hull University Teaching Hospitals NHS TrustNew | Other | 1 | £135k | 0.0% | 2024-05-30 |
| United Lincolnshire Teaching Hospitals NHS TrustNew | Other | 2 | £114k | 0.0% | 2026-12-04 |
| Surrey and Borders Partnership NHS Foundation Trust | Other | 1 | £106k | 0.0% | 2024-02-20 |
| East Suffolk and North Essex NHS Foundation TrustNew | Other | 1 | £105k | 0.0% | 2024-09-18 |
| UK HEALTH AND SECURITY AGENCYNew | Other | 1 | £101k | 0.0% | 2024-11-27 |
| University Hospitals Birmingham NHS Foundation Trust | Other | 2 | £81k | 0.0% | 2024-11-11 |
| Taunton and Somerset NHS Foundation Trust | Other | 1 | £76k | 0.0% | 2018-12-16 |
| NHS TrustNew | Other | 1 | £73k | 0.0% | 2025-04-25 |
| The Rotherham NHS Foundation TrustNew | Other | 1 | £66k | 0.0% | 2024-10-21 |
| Northumbria Healthcare NHS Foundation Trust | Other | 1 | £66k | 0.0% | 2018-02-27 |
| Kent Community Health NHS Foundation Trust | Other | 1 | £60k | 0.0% | 2024-04-01 |
| Cambridgeshire Community Services NHS Trust | Other | 2 | £56k | 0.0% | 2024-11-06 |
| Sheffield Teaching Hospitals NHS Foundation TrustNew | Other | 1 | £51k | 0.0% | 2025-08-27 |
| King's Interventional Facilities ManagementNew | Other | 1 | £49k | 0.0% | 2025-10-02 |
| West Suffolk NHS Foundation TrustNew | Other | 1 | £47k | 0.0% | 2025-11-04 |
| Barnsley Hospital NHS Foundation Trust | Other | 1 | £45k | 0.0% | 2024-02-02 |
| NHS South West - Acutes | Other | 1 | £40k | 0.0% | 2018-09-21 |
| Sheffield Children's Hospital NHS FT | Other | 1 | £37k | 0.0% | 2023-03-17 |
| East and North Hertfordshire NHS Trust | Other | 1 | £30k | 0.0% | 2024-01-01 |
| Cambridgeshire & Peterborough Foundation Trust | Other | 1 | £28k | 0.0% | 2022-02-14 |
| South Tees Hospitals NHS Foundation TrustNew | Other | 1 | £26k | 0.0% | 2024-10-07 |
| IQVIA Ltd. | Other | 1 | £26k | 0.0% | 2024-04-26 |
| Norfolk and Norwich University Hospitals NHS Foundation TrustNew | Other | 1 | £26k | 0.0% | 2025-11-03 |
| NHS Shared Business Services | Other | 1 | £23k | 0.0% | 2023-08-18 |
| University Hospitals of Leicester NHS Trust | Other | 1 | £22k | 0.0% | 2019-03-25 |
| MSE GroupNew | Other | 1 | £22k | 0.0% | 2024-07-01 |
| YORK AND SCARBOROUGH TEACHING HOSPITALS NHS FOUNDATION TRUST | Other | 1 | £20k | 0.0% | 2022-11-21 |
| East Suffolk and North Essex NHS FT | Other | 1 | £13k | 0.0% | 2023-03-20 |
| North Somerset Council | Other | 1 | £10k | 0.0% | 2023-09-06 |
| NHS West Yorkshire | Other | 1 | £0k | 0.0% | 2023-04-25 |
| North of England Commercial Procurement Collaborative (NOE CPC) | Other | 1 | £0k | 0.0% | 2019-08-23 |
| West Hertfordshire Teaching Hospitals NHS Trust | Other | 1 | £0k | 0.0% | |
| Scottish Government | Other | 1 | £0k | 0.0% | |
| NHS West Yorkshire Integrated Care Board | Other | 1 | £0k | 0.0% | |
| BUCKINGHAMSHIRE HEALTHCARE NHS TRUST | Other | 1 | £0k | 0.0% | |
| National Institute for Health and Care Excellence | Other | 1 | £0k | 0.0% | |
| Guy's and St Thomas' NHS Foundation Trust | Other | 2 | £0k | 0.0% | |
| Sussex Community NHS Foundation Trust | Other | 1 | £0k | 0.0% | |
| NHS London Procurement Partnership | Other | 1 | £0k | 0.0% | |
| Secretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency | Other | 1 | £0k | 0.0% | |
| UK Health Security Agency | Other | 6 | £0k | 0.0% | |