| Government Commercial AgencyNew | Other | 2 | £10.0bn | 92.4% | 2026-01-12 |
| University College London Hospitals NHS Foundation Trust | Other | 1 | £750m | 6.9% | 2018-08-27 |
| Crown Commercial Service | Other | 2 | £17m | 0.2% | 2024-04-01 |
| University College London Hospital Trust | Other | 1 | £14m | 0.1% | 2023-08-18 |
| Espo | Other | 3 | £10m | 0.1% | 2022-07-06 |
| NHS England | Other | 11 | £7m | 0.1% | 2025-12-18 |
| North of England Commercial Procurement Collaborative | Other | 1 | £5m | 0.0% | 2023-08-03 |
| Guy's & St Thomas' NHS Foundation Trust | Other | 2 | £5m | 0.0% | 2020-09-08 |
| East Riding of Yorkshire Council | Other | 2 | £3m | 0.0% | 2023-03-31 |
| HealthTrust Europe LLP (HTE) acting as agent for the University Hospitals of Coventry and Warwickshire NHS Trust (“UHCW”) | Other | 2 | £2m | 0.0% | 2020-07-27 |
| Kingston Hospital NHS Trust | Other | 1 | £2m | 0.0% | 2023-02-14 |
| Surrey and Borders Partnership NHS Foundation Trust | Other | 1 | £2m | 0.0% | 2023-04-18 |
| Derbyshire Support and Facilities Services Limited | Other | 1 | £1m | 0.0% | 2023-11-29 |
| NOE CPC | Other | 1 | £588k | 0.0% | 2018-05-30 |
| oneSource | Other | 1 | £387k | 0.0% | 2020-12-22 |
| DERBY CITY COUNCIL | Other | 1 | £373k | 0.0% | 2017-11-28 |
| UK Health Security AgencyNew | Other | 1 | £255k | 0.0% | 2024-09-25 |
| Mid Sussex District Council | Other | 1 | £196k | 0.0% | 2022-11-23 |
| United Lincolnshire Hospitals NHS TrustNew | Other | 2 | £190k | 0.0% | 2024-10-04 |
| SE Shared Services | Other | 2 | £120k | 0.0% | 2019-12-17 |
| Ministry of JusticeNew | Other | 1 | £68k | 0.0% | 2026-01-19 |
| United Lincolnshire Teaching Hospitals NHS Trust | Other | 1 | £60k | 0.0% | 2023-12-01 |
| Central and North West London NHS Foundation Trust | Other | 1 | £40k | 0.0% | 2016-10-17 |
| Department of Health & Social Care | Other | 2 | £31k | 0.0% | 2021-10-22 |
| CRESCENT PURCHASING LIMITED | Other | 1 | £9k | 0.0% | 2018-07-19 |
| The Shared Learning Trust | Other | 1 | £5k | 0.0% | 2018-04-12 |
| Newham College of Further Education | Other | 1 | £2k | 0.0% | 2017-10-06 |
| Sussex Community NHS Foundation Trust | Other | 1 | £0k | 0.0% | 2022-11-09 |
| NORTH TYNESIDE COUNCIL | Other | 1 | £0k | 0.0% | 2017-04-10 |
| NHS DEVON INTEGRATED CARE BOARD | Other | 2 | £0k | 0.0% | |
| Mid and South Essex NHS Foundation Trust | Other | 8 | £0k | 0.0% | |
| NHS Coventry and Warwickshire ICB | Other | 1 | £0k | 0.0% | |
| HealthTrust Europe LLP (HTE) acting on behalf of | Other | 3 | £0k | 0.0% | |
| NHS SHARED BUSINESS SERVICES LIMITED | Other | 3 | £0k | 0.0% | |
| North of England Commercial Procurement Collaborative (NOE CPC) (hosted by and acting through Leeds and York Partnership NHS Foundation Trust.) | Other | 3 | £0k | 0.0% | |
| University College London Hospitals NHS FT | Other | 1 | £0k | 0.0% | |
| South of England Procurement CentreNHS HAMPSHIRE, SOUTHAMPTON AND ISLE OF WIGHT CLINICAL COMMISSIONING GROUP | Other | 1 | £0k | 0.0% | |
| Surrey and Borders Partnership NHS Foundation Trust on behalf of NHS Commercial Solutions | Other | 2 | £0k | 0.0% | |
| Essex Partnership University NHS Foundation Trust | Other | 1 | £0k | 0.0% | |
| NHS Sussex Integrated Care Board (ICB) | Other | 1 | £0k | 0.0% | |
| NHS DORSET INTEGRATED CARE BOARD | Other | 1 | £0k | 0.0% | |
| NHS North West London Integrated Care Board | Other | 1 | £0k | 0.0% | |
| NHS National Services Scotland | Other | 2 | £0k | 0.0% | |
| Rhondda Cynon Taf CBC | Other | 1 | £0k | 0.0% | |
| Scotland Excel | Other | 1 | £0k | 0.0% | |
| The Common Services Agency (more commonly known as NHS National Services Scotland) (NSS) | Other | 1 | £0k | 0.0% | |
| NHS Wales Shared Services Partnership (hosted by Velindre University NHS Trust) | Other | 1 | £0k | 0.0% | |
| South Eastern Health and Social Care Trust | Other | 1 | £0k | 0.0% | |