| NHS England | Other | 41 | £1.0bn | 85.7% | 2026-05-01 |
| BELFAST HEALTH AND SOCIAL CARE TRUSTNew | Other | 5 | £36m | 3.1% | 2026-05-15 |
| NHS Wales Shared Services Partnership (hosted by Velindre University NHS Trust)New | Other | 12 | £22m | 1.9% | 2026-03-03 |
| NHS Supply Chain | Other | 14 | £22m | 1.8% | 2023-02-03 |
| ATTAIN HEALTH MANAGEMENT SERVICES LTD | Other | 1 | £16m | 1.4% | 2018-07-04 |
| University Hospitals of Derby and Burton NHS Foundation TrustNew | Other | 5 | £9m | 0.8% | 2026-05-05 |
| Mid and South Essex Integrated Care BoardNew | Other | 2 | £9m | 0.7% | 2025-07-01 |
| Department of Health and Social Care (DHSC) | Other | 10 | £9m | 0.7% | 2023-02-21 |
| NHS South West - Acutes | Other | 1 | £9m | 0.7% | 2022-08-01 |
| NHS Shared Business Services Ltd (NHS SBS) | Other | 1 | £6m | 0.5% | 2017-10-02 |
| NHS Blood and Transplant (NHSBT) | Other | 10 | £5m | 0.5% | 2025-11-21 |
| SUPPLY CHAIN COORDINATION LIMITEDNew | Other | 5 | £5m | 0.4% | 2025-04-29 |
| North of England Commercial Procurement Collaborative (NOE CPC) | Other | 2 | £4m | 0.4% | 2021-08-09 |
| The Rotherham NHS Foundation Trust | Other | 1 | £3m | 0.3% | 2018-08-17 |
| NOE CPC | Other | 2 | £3m | 0.2% | 2021-03-08 |
| East Of England NHS Collaborative Hub | Other | 1 | £2m | 0.2% | 2019-04-16 |
| Liverpool Heart and Chest Hospital NHS Foundation Trust | Other | 1 | £2m | 0.2% | 2016-09-21 |
| Kings College London (KFM) | Other | 1 | £1m | 0.1% | 2022-04-04 |
| Department of Health & Social Care | Other | 1 | £996k | 0.1% | 2019-01-01 |
| NHS England and NHS Improvement | Other | 1 | £944k | 0.1% | 2022-07-19 |
| Surrey Hampshire Borders Nhs | Other | 1 | £870k | 0.1% | 2016-01-04 |
| Department of Health & Social Care | Other | 11 | £682k | 0.1% | 2020-11-03 |
| NHS London Procurement Partnership | Other | 2 | £400k | 0.0% | 2019-01-14 |
| NHS London Procurement Partnership (hosted by Guy's and St Thomas' NHS Foundation Trust) | Other | 1 | £400k | 0.0% | 2018-09-19 |
| Berkshire Healthcare NHS Foundation Trust | Other | 2 | £375k | 0.0% | 2020-01-12 |
| HealthTrust Europe LLP (HTE) acting as agent for the University Hospitals of Coventry and Warwickshire NHS Trust (“UHCW”) | Other | 1 | £333k | 0.0% | 2018-12-05 |
| NOTTINGHAM UNIVERSITY HOSPITALS NHS TRUST | Other | 3 | £184k | 0.0% | 2026-04-15 |
| Derbyshire Support & Facilities Services Ltd | Other | 1 | £171k | 0.0% | 2016-07-03 |
| DERBY TEACHING HOSPITALS NHS FOUNDATION TRUST | Other | 1 | £121k | 0.0% | 2018-05-30 |
| United Lincolnshire Teaching Hospitals NHS TrustNew | Other | 1 | £65k | 0.0% | 2025-01-24 |
| Secretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency | Other | 2 | £60k | 0.0% | 2022-06-16 |
| Clinical Procurement Partner | Other | 1 | £23k | 0.0% | 2022-03-28 |
| King's College Trust | Other | 1 | £13k | 0.0% | 2023-08-01 |
| Nhs Blood & Transplant | Other | 2 | £0k | 0.0% | 2017-06-26 |
| East Midlands Procurement Portal | Other | 2 | £0k | 0.0% | 2017-05-02 |
| COMMERCIAL MEDICINES UNIT | Other | 1 | £0k | 0.0% | 2017-01-12 |
| The Common Services Agency (more commonly known as NHS National Services Scotland) (NSS) | Other | 60 | £0k | 0.0% | |
| Guy's and St Thomas' NHS Foundation Trust | Other | 5 | £0k | 0.0% | |
| The NHS Commissioning Board (operating under the name of NHS England) | Other | 6 | £0k | 0.0% | |
| Scottish National Blood Transfusion Service | Other | 1 | £0k | 0.0% | |
| Velindre NHS Trust, NHS Shared Services Partnership - Procurement Services (on behalf of All Wales Health Boards and Trusts) | Other | 1 | £0k | 0.0% | |
| eTenderwales | Other | 1 | £0k | 0.0% | |
| Velindre NHS Trust, NHS Wales Shared Services Partnership - Procurement Services (on behalf of All Wales UHBs & Trusts | Other | 2 | £0k | 0.0% | |
| DOH - Strategic Planning and Performance Group | Other | 7 | £0k | 0.0% | |
| Mid and South Essex NHS Foundation Trust | Other | 2 | £0k | 0.0% | |
| United Lincolnshire Hospitals NHS Trust | Other | 1 | £0k | 0.0% | |
| Regional Business Services Organisation Procurement and Logistics Service | Other | 1 | £0k | 0.0% | |
| Velindre NHS Trust, NHS Wales Shared Services Partnership — Procurement Services (on behalf of All Wales LHB's and Trusts) | Other | 5 | £0k | 0.0% | |
| Procurement & Logistics Service | Other | 1 | £0k | 0.0% | |
| Leeds Teaching Hospitals NHS Trust | Other | 2 | £0k | 0.0% | |
| NSS | Other | 3 | £0k | 0.0% | |
| HealthTrust Europe LLP | Other | 5 | £0k | 0.0% | |
| NHS Supply Chain Operated by DHL Supply Chain Limited acting as agent of Supply Chain Coordination Ltd (SCCL) | Other | 2 | £0k | 0.0% | |
| Procurement and Logistics Service | Other | 1 | £0k | 0.0% | |
| Velindre NHS Trust, NHS Wales Shared Services Parternship - Procurement Services (On Behalf of All Wales) Health Boards and Trusts | Other | 2 | £0k | 0.0% | |
| NWSSP- Procurement Services | Other | 1 | £0k | 0.0% | |
| NHS Ayrshire & Arran | Other | 1 | £0k | 0.0% | |
| Western Health and Social Care Trust | Other | 2 | £0k | 0.0% | |
| Velindre NHS Trust, NHS Wales Shared Services Partnership - Procurement Services (On Behalf of all Wales) Health Boards | Other | 1 | £0k | 0.0% | |
| University Hospitals of Leicester NHS Trust | Other | 1 | £0k | 0.0% | |
| SOMERSET NHS FOUNDATION TRUST | Other | 1 | £0k | 0.0% | |