| Department of Health & Social Care | Other | 1 | £151m | 36.3% | 2020-04-24 |
| Department of Health and Social Care (T&T) | Other | 1 | £92m | 22.0% | 2021-05-27 |
| Public Health England | Other | 15 | £55m | 13.3% | 2021-04-26 |
| NHS Supply Chain | Other | 5 | £55m | 13.2% | 2022-03-16 |
| UK Health Security Agency | Other | 12 | £39m | 9.3% | 2026-04-07 |
| UKHSA | Other | 1 | £8m | 2.0% | 2023-05-12 |
| Royal Free London NHS Foundation Trust | Other | 6 | £2m | 0.5% | 2023-09-26 |
| Hull University Teaching Hospitals NHS Trust | Other | 9 | £2m | 0.5% | 2026-01-16 |
| Partners Procurement Service | Other | 13 | £2m | 0.5% | 2026-05-17 |
| Leeds Teaching Hospitals NHS TrustNew | Other | 5 | £1m | 0.3% | 2026-03-17 |
| University Hospitals of Leicester NHS Trust | Other | 5 | £1m | 0.3% | 2026-03-19 |
| Surrey Hampshire Borders Nhs | Other | 1 | £870k | 0.2% | 2016-01-04 |
| Partners Procurement Service (PPS) | Other | 10 | £743k | 0.2% | 2026-04-01 |
| UK Health Security Agency (UKHSA) | Other | 1 | £700k | 0.2% | 2022-08-26 |
| Northern Lincolnshire and Goole NHS Foundation TrustNew | Other | 1 | £699k | 0.2% | 2025-06-20 |
| Hull & East Yorkshire Hospitals Nhs Trust | Other | 2 | £590k | 0.1% | 2019-10-03 |
| Northumbria Healthcare NHS Foundation TrustNew | Other | 2 | £585k | 0.1% | 2025-09-29 |
| Derbyshire Support and Facilities Services Ltd | Other | 6 | £484k | 0.1% | 2022-08-01 |
| University Hospitals Sussex NHS Foundation TrustNew | Other | 4 | £475k | 0.1% | 2025-07-24 |
| Shropshire Healthcare Procurement Service | Other | 2 | £288k | 0.1% | 2022-08-26 |
| Derbyshire Support & Facilities Services Ltd | Other | 1 | £273k | 0.1% | 2023-03-15 |
| HULL ROYAL INFIRMARY | Other | 2 | £272k | 0.1% | 2021-02-12 |
| NOTTINGHAM UNIVERSITY HOSPITALS NHS TRUST | Other | 2 | £256k | 0.1% | 2022-09-08 |
| SOMERSET NHS FOUNDATION TRUST | Other | 4 | £229k | 0.1% | 2026-03-02 |
| Frimley Health NHS Foundation Trust | Other | 2 | £225k | 0.1% | 2022-01-14 |
| BIRMINGHAM CHILDRENS HOSPITAL | Other | 2 | £161k | 0.0% | 2020-10-23 |
| ADB (UK) LIMITED | Other | 1 | £102k | 0.0% | 2023-11-22 |
| United Lincolnshire Teaching Hospitals NHS TrustNew | Other | 1 | £90k | 0.0% | 2025-12-03 |
| DERBYSHIRE SUPPORT FACILITIES SERVICES | Other | 1 | £75k | 0.0% | 2021-04-12 |
| NHS South West - Acutes | Other | 1 | £70k | 0.0% | 2022-10-03 |
| TORBAY AND SOUTH DEVON NHS FOUNDATION TRUST | Other | 1 | £47k | 0.0% | 2022-10-12 |
| West Suffolk NHS Foundation Trust | Other | 1 | £42k | 0.0% | 2021-02-16 |
| Barnsley Facilities LtdNew | Other | 1 | £39k | 0.0% | 2026-01-28 |
| University Hospitals of North Midlands NHS Trust | Other | 1 | £39k | 0.0% | 2017-08-09 |
| University of Leeds | Other | 1 | £31k | 0.0% | 2017-02-14 |
| KING'S COLLEGE LONDON | Other | 1 | £27k | 0.0% | 2024-03-25 |
| CAMBRIDGE UNIVERSITY HOSPITALS NHS FOUNDATION TRUSTNew | Other | 5 | £15k | 0.0% | 2025-05-16 |
| Norfolk and Norwich University Hospitals NHS Foundation Trust | Other | 1 | £15k | 0.0% | 2022-08-04 |
| Royal Surrey County Hospital NHS Foundation Trust | Other | 1 | £0k | 0.0% | |
| University Hospitals Birmingham NHS Foundation Trust | Other | 2 | £0k | 0.0% | |
| NHS Supply Chain Operated by DHL Supply Chain Limited acting as agent of Supply Chain Coordination Ltd (SCCL) | Other | 4 | £0k | 0.0% | |
| KETTERING GENERAL HOSPITAL NHS FOUNDATION TRUST | Other | 1 | £0k | 0.0% | |
| NHS Wales Shared Service Partnership | Other | 4 | £0k | 0.0% | |
| NHS Wales Shared Services Partnership (hosted by Velindre University NHS Trust) | Other | 1 | £0k | 0.0% | |
| The Common Services Agency (more commonly known as NHS National Services Scotland) (NSS) | Other | 5 | £0k | 0.0% | |
| YORK AND SCARBOROUGH TEACHING HOSPITALS NHS FOUNDATION TRUST | Other | 1 | £0k | 0.0% | |
| HealthTrust Europe LLP (HTE) acting as agent for the University Hospitals of Coventry and Warwickshire NHS Trust (“UHCW”) | Other | 2 | £0k | 0.0% | |
| The Mersey Docks and Harbour Company | Other | 1 | £0k | 0.0% | |