| Department of Health and Social Care (DHSC) | Other | 1 | £138m | 67.4% | 2014-03-27 |
| WM5G LIMITEDNew | Other | 8 | £30m | 14.7% | 2026-01-21 |
| NHS England | Other | 11 | £14m | 7.0% | 2025-12-10 |
| NHS Supply Chain | Other | 1 | £8m | 4.0% | 2020-12-01 |
| UK Health Security Agency | Other | 5 | £2m | 1.0% | 2025-10-10 |
| NHS Digital | Other | 6 | £2m | 1.0% | 2023-01-03 |
| Business Services Organisation ITSNew | Other | 2 | £2m | 0.9% | 2026-02-20 |
| Manchester University NHS Foundation TrustNew | Other | 1 | £2m | 0.8% | 2024-07-04 |
| NEL Commissioning Support Unit | Other | 1 | £1m | 0.5% | 2021-06-30 |
| South of England Procurement Centre | Other | 1 | £978k | 0.5% | 2023-03-03 |
| Public Health England | Other | 3 | £556k | 0.3% | 2021-11-04 |
| Kent Community Health NHS Foundation Trust | Other | 2 | £522k | 0.3% | 2024-02-08 |
| EAST CHESHIRE NHS TRUST | Other | 1 | £500k | 0.2% | 2022-03-01 |
| West Hertfordshire Teaching Hospitals NHS Trust | Other | 1 | £450k | 0.2% | 2022-05-17 |
| NHS Arden and Greater East Midlands Commissioning Support Unit | Other | 2 | £413k | 0.2% | 2024-05-31 |
| The Newcastle Upon Tyne Hospitals NHS Foundation Trust | Other | 2 | £323k | 0.2% | 2021-09-20 |
| NHS SOUTH, CENTRAL AND WEST COMMISSIONING SUPPORT UNIT | Other | 3 | £319k | 0.2% | 2025-03-28 |
| ST HELENS & KNOWSLEY TEACHING HOSPITALS NHS TRUST | Other | 1 | £216k | 0.1% | 2021-03-31 |
| NHS Shared Business ServicesNew | Other | 1 | £159k | 0.1% | 2024-10-10 |
| University Hospitals Birmingham NHS Foundation TrustNew | Other | 1 | £121k | 0.1% | 2025-08-21 |
| Western Health and Social Care Trust | Other | 1 | £114k | 0.1% | |
| NHS Arden and GEM CSU | Other | 1 | £95k | 0.0% | 2022-02-15 |
| NHS England North East and Yorkshire Health and JusticeNew | Other | 1 | £94k | 0.0% | 2026-05-20 |
| Hertfordshire County Council | Other | 1 | £84k | 0.0% | 2023-04-01 |
| Hampshire County Council | Other | 1 | £74k | 0.0% | 2021-03-12 |
| STAFFORDSHIRE AND LANCASHIRE COMMISSIONING SUPPORT UNIT | Other | 3 | £74k | 0.0% | 2022-02-25 |
| North Yorkshire County CouncilNew | Other | 1 | £49k | 0.0% | 2024-05-31 |
| SOMERSET NHS FOUNDATION TRUSTNew | Other | 2 | £42k | 0.0% | 2026-03-13 |
| HULL ROYAL INFIRMARY | Other | 1 | £40k | 0.0% | 2023-10-25 |
| East and North Hertfordshire NHS Trust Lister Hospital | Other | 1 | £40k | 0.0% | 2022-08-12 |
| Partners Procurement Service (PPS) | Other | 1 | £39k | 0.0% | 2024-02-07 |
| NHS MIDLANDS AND LANCASHIRE COMMISSIONING SUPPORT UNIT | Other | 1 | £36k | 0.0% | 2021-02-08 |
| Hertfordshire and West Essex NHS Procurement | Other | 1 | £35k | 0.0% | 2022-08-12 |
| ST HELENS & KNOWSLEY TEACHING HOSPITALS NHS TRUST | Other | 1 | £25k | 0.0% | 2023-09-05 |
| Calderdale and Huddersfield NHS Foundation Trust | Other | 1 | £4k | 0.0% | 2022-07-06 |
| Ministry of Defence | Other | 1 | £0k | 0.0% | 2020-04-09 |
| Northampton General Hospital NHS Trust | Other | 1 | £0k | 0.0% | |
| NHS KENT AND MEDWAY INTEGRATED CARE BOARD | Other | 1 | £0k | 0.0% | |
| Health Education England | 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 | 3 | £0k | 0.0% | |
| Procurement and Logistics Service on behalf of Business Services Organisation | Other | 1 | £0k | 0.0% | |
| Guy's and St Thomas' NHS Foundation Trust | Other | 2 | £0k | 0.0% | |
| Isle of Wight Council | Other | 1 | £0k | 0.0% | |
| North Cumbria Integrated Care NHS Foundation Trust | Other | 1 | £0k | 0.0% | |
| South Eastern H&SC Trust | Other | 2 | £0k | 0.0% | |
| Business Services Organisation I T S | Other | 2 | £0k | 0.0% | |
| Department of Health & Social Care | Other | 1 | £0k | 0.0% | |
| University Of The West Of England | Other | 1 | £0k | 0.0% | |
| NOTTINGHAM UNIVERSITY HOSPITALS NHS TRUST | Other | 1 | £0k | 0.0% | |
| Swansea University | Other | 1 | £0k | 0.0% | |