| NHS Supply Chain | Other | 2 | £17m | 68.8% | 2023-03-16 |
| North Western Universities Purchasing ConsortiumNew | Other | 2 | £4m | 16.1% | 2025-07-17 |
| UNIVERSITY OF WOLVERHAMPTON ENTERPRISE LIMITED | Other | 3 | £465k | 1.9% | 2021-04-29 |
| THE UNIVERSITY OF BIRMINGHAM | Other | 7 | £427k | 1.7% | 2023-05-25 |
| London Ambulance Service NHS Trust | Other | 5 | £422k | 1.7% | 2025-12-12 |
| University of LincolnNew | Other | 1 | £375k | 1.5% | 2025-12-17 |
| Bradford Teaching Hospitals NHS Foundation TrustNew | Other | 3 | £292k | 1.2% | 2026-02-26 |
| East Sussex Healthcare NHS TrustNew | Other | 1 | £241k | 1.0% | 2025-12-29 |
| BRUNEL UNIVERSITY LONDON | Other | 2 | £199k | 0.8% | 2021-11-09 |
| UNIVERSITY OF NOTTINGHAM (THE) | Other | 2 | £134k | 0.5% | 2022-04-29 |
| Partners Procurement ServiceNew | Other | 1 | £106k | 0.4% | 2025-01-28 |
| The Queen Elizabeth Hospital King's Lynn NHS Foundation Trust | Other | 2 | £103k | 0.4% | 2022-03-23 |
| Middlesbrough College | Other | 2 | £89k | 0.4% | 2024-07-02 |
| West Suffolk NHS Foundation TrustNew | Other | 1 | £82k | 0.3% | 2026-03-02 |
| ST HELENS & KNOWSLEY TEACHING HOSPITALS NHS TRUST | Other | 1 | £78k | 0.3% | 2022-02-24 |
| University Of The West Of England | Other | 4 | £72k | 0.3% | 2016-04-01 |
| Ministry of Defence | Other | 1 | £68k | 0.3% | 2023-10-03 |
| North Bristol NHS TrustNew | Other | 1 | £68k | 0.3% | 2025-03-19 |
| University of Leeds | Other | 2 | £65k | 0.3% | 2023-01-31 |
| The University of Northumbria at Newcastle | Other | 2 | £60k | 0.2% | 2021-02-04 |
| Hartlepool College of Further EducationNew | Other | 1 | £58k | 0.2% | 2024-10-04 |
| THE UNIVERSITY OF CUMBRIANew | Other | 1 | £55k | 0.2% | 2024-06-25 |
| Sheffield Hallam University | Other | 2 | £47k | 0.2% | 2019-03-17 |
| York College | Other | 1 | £42k | 0.2% | 2023-12-06 |
| South of England Procurement Centre | Other | 1 | £41k | 0.2% | 2023-07-14 |
| UCLPartners Procurement Services | Other | 1 | £36k | 0.1% | 2015-09-30 |
| Southampton Solent University | Other | 1 | £33k | 0.1% | 2022-02-07 |
| Birmingham Women's and Children's NHS Foundation Trust | Other | 3 | £30k | 0.1% | 2021-01-22 |
| Dorset County Hospital NHS Foundation Trust | Other | 1 | £27k | 0.1% | 2022-03-02 |
| BIRMINGHAM CHILDRENS HOSPITAL | Other | 1 | £26k | 0.1% | 2018-02-20 |
| Hull University Teaching Hospitals NHS Trust | Other | 2 | £20k | 0.1% | 2022-08-05 |
| UNIVERSITY OF EXETER | Other | 1 | £0k | 0.0% | |
| CAMBRIDGE UNIVERSITY HOSPITALS NHS FOUNDATION TRUST | Other | 2 | £0k | 0.0% | |
| NHS Wales Shared Services Partnership (hosted by Velindre University NHS Trust) | Other | 1 | £0k | 0.0% | |
| East Of England NHS Collaborative Hub c/o West Suffolk NHS Trust | Other | 1 | £0k | 0.0% | |
| SOUTH TYNESIDE AND SUNDERLAND NHS FOUNDATION TRUST | Other | 1 | £0k | 0.0% | |
| East Suffolk and North Essex NHS Foundation Trust | Other | 1 | £0k | 0.0% | |
| University of Portsmouth Higher Education Corporation | Other | 1 | £0k | 0.0% | |