| Crown Commercial Service | Other | 4 | £62m | 28.8% | 2025-04-30 |
| Department for Work & Pensions | Other | 2 | £37m | 17.1% | 2025-11-18 |
| NHS England | Other | 3 | £34m | 15.6% | 2025-12-10 |
| DEFRA | Other | 7 | £25m | 11.7% | 2025-06-16 |
| Department of Health and Social Care (DHSC) | Other | 2 | £23m | 10.8% | 2021-05-09 |
| Post Office Limited | Other | 2 | £11m | 5.2% | 2022-10-13 |
| Department of Health & Social Care | Other | 1 | £5m | 2.3% | 2022-08-03 |
| DEPARTMENT FOR LEVELLING UP, HOUSING AND COMMUNITIES | Other | 2 | £5m | 2.2% | 2022-09-23 |
| Office for National Statistics | Other | 3 | £5m | 2.1% | 2021-06-29 |
| Department for Education | Other | 5 | £4m | 1.9% | 2026-01-01 |
| Home OfficeNew | Other | 2 | £837k | 0.4% | 2026-02-23 |
| HM TreasuryNew | Other | 2 | £630k | 0.3% | 2026-02-25 |
| Care Quality Commission | Other | 2 | £442k | 0.2% | 2026-05-19 |
| Department for Environment Food & Rural AffairsNew | Other | 1 | £350k | 0.2% | 2025-08-01 |
| CPS | Other | 1 | £264k | 0.1% | 2022-01-31 |
| Department for Culture, Media and Sport | Other | 2 | £250k | 0.1% | 2025-03-20 |
| Brighton and Hove City Council | Other | 1 | £210k | 0.1% | 2024-01-31 |
| Ministry of Defence | Other | 1 | £200k | 0.1% | 2021-07-26 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 4 | £191k | 0.1% | 2026-04-09 |
| NS&I | Other | 1 | £186k | 0.1% | 2023-09-13 |
| National Audit Office | Other | 1 | £168k | 0.1% | 2023-10-01 |
| Department for Business & TradeNew | Other | 1 | £160k | 0.1% | 2026-01-16 |
| HISTORIC ENGLAND LIMITED | Other | 1 | £130k | 0.1% | 2024-04-16 |
| NHS SOUTH, CENTRAL AND WEST COMMISSIONING SUPPORT UNIT | Other | 1 | £116k | 0.1% | 2023-07-31 |
| NATIONAL WEALTH FUND LIMITEDNew | Other | 1 | £100k | 0.0% | 2025-04-30 |
| Foreign Commonwealth and Development OfficeNew | Other | 1 | £85k | 0.0% | 2026-05-12 |
| UK Export FinanceNew | Other | 1 | £81k | 0.0% | 2024-07-09 |
| Ministry of Housing, Communities & Local GovernmentNew | Other | 2 | £80k | 0.0% | 2026-02-25 |
| DfTc - Department for TransportNew | Other | 1 | £66k | 0.0% | 2025-03-13 |
| Department for International Trade | Other | 1 | £59k | 0.0% | 2021-07-28 |
| FINANCIAL SERVICES COMPENSATION SCHEME LIMITEDNew | Other | 1 | £54k | 0.0% | 2025-03-31 |
| Parliamentary and Health Service Ombudsman | Other | 3 | £50k | 0.0% | 2026-03-31 |
| NHS Business Services AuthorityNew | Other | 1 | £46k | 0.0% | 2025-05-01 |
| Office for Students | Other | 4 | £40k | 0.0% | 2026-02-01 |
| NHS Digital | Other | 1 | £40k | 0.0% | 2021-11-11 |
| British Transport PoliceNew | Other | 1 | £30k | 0.0% | 2025-05-14 |
| HM Land Registry | Other | 2 | £30k | 0.0% | 2024-06-27 |
| UK Health Security Agency | Other | 1 | £13k | 0.0% | 2023-09-06 |
| Crown Prosecution Service | Other | 1 | £0k | 0.0% | |
| The Minister for the Cabinet Office acting through Crown Commercial Service | Other | 1 | £0k | 0.0% | |
| Ministry of Justice | Other | 1 | £0k | 0.0% | |
| Rural Payments Agency (RPA) | Other | 1 | £0k | 0.0% | |