| Dorset County Hospital NHS Foundation Trust | Other | 6 | £37m | 67.0% | 2023-02-24 |
| NHS Supply Chain | Other | 1 | £3m | 4.7% | 2019-06-12 |
| The Queen Elizabeth Hospital King's Lynn NHS Foundation Trust | Other | 5 | £3m | 4.7% | 2023-03-08 |
| Nottingham University Hospital NHS TrustNew | Other | 2 | £2m | 3.6% | 2025-12-14 |
| County Durham and Darlington NHS Foundation Trust | Other | 1 | £2m | 2.9% | 2021-11-30 |
| University Hospitals Sussex NHS Foundation TrustNew | Other | 5 | £1m | 2.4% | 2026-03-20 |
| Hull University Teaching Hospitals NHS Trust | Other | 9 | £1m | 2.3% | 2026-01-28 |
| The Christie NHS Foundation Trust | Other | 1 | £1m | 2.2% | 2022-08-30 |
| West Suffolk NHS Foundation Trust | Other | 6 | £937k | 1.7% | 2026-03-16 |
| NOTTINGHAM UNIVERSITY HOSPITALS NHS TRUST | Other | 2 | £600k | 1.1% | 2023-01-17 |
| United Lincolnshire Teaching Hospitals NHS TrustNew | Other | 1 | £387k | 0.7% | 2026-01-09 |
| Hull & East Yorkshire Hospitals Nhs Trust | Other | 2 | £386k | 0.7% | 2018-03-08 |
| Norfolk & Norwich University HospitalNew | Other | 1 | £370k | 0.7% | 2026-02-09 |
| QE FACILITIES LIMITEDNew | Other | 1 | £343k | 0.6% | 2026-02-13 |
| Guy's and St Thomas' NHS Foundation Trust | Other | 2 | £318k | 0.6% | 2024-07-29 |
| Royal Papworth HospitalNew | Other | 1 | £271k | 0.5% | 2025-05-15 |
| Norfolk and Norwich University Hospitals NHS Foundation Trust | Other | 2 | £252k | 0.5% | 2023-03-31 |
| Dorset County HospitalNew | Other | 2 | £235k | 0.4% | 2026-01-15 |
| United Lincolnshire Hospitals NHS TrustNew | Other | 1 | £204k | 0.4% | 2024-10-31 |
| UNIVERSITY OF DERBY | Other | 2 | £160k | 0.3% | 2021-12-03 |
| Barnsley Facilities LtdNew | Other | 3 | £154k | 0.3% | 2026-04-02 |
| Partners Procurement Service | Other | 2 | £146k | 0.3% | 2023-06-30 |
| TORBAY AND SOUTH DEVON NHS FOUNDATION TRUST | Other | 1 | £140k | 0.3% | 2023-01-26 |
| EAST CHESHIRE NHS TRUST | Other | 1 | £133k | 0.2% | 2023-01-09 |
| Mersey and West Lancashire NHS Teaching HospitalsNew | Other | 1 | £106k | 0.2% | 2025-09-11 |
| The Mersey Docks and Harbour CompanyNew | Other | 1 | £89k | 0.2% | 2025-09-11 |
| Kettering General HospitalNew | Other | 1 | £75k | 0.1% | 2024-11-25 |
| Home Office | Other | 1 | £60k | 0.1% | 2019-02-04 |
| KFM | Other | 1 | £55k | 0.1% | 2023-02-14 |
| Northumbria Healthcare Facilities ManagementNew | Other | 1 | £49k | 0.1% | 2025-02-24 |
| Northumbria Healthcare NHS Foundation TrustNew | Other | 1 | £34k | 0.1% | 2026-01-26 |
| THE UNIVERSITY OF BIRMINGHAM | Other | 1 | £25k | 0.0% | 2020-09-25 |
| HULL ROYAL INFIRMARY | Other | 1 | £15k | 0.0% | 2022-01-31 |
| Bradford Teaching Hospitals NHS Foundation Trust | Other | 1 | £0k | 0.0% | |
| King’s College Hospital NHS Foundation Trust | Other | 1 | £0k | 0.0% | |
| East Suffolk and North Essex NHS Foundation Trust | Other | 5 | £0k | 0.0% | |