| Financial Conduct Authority | Other | 43 | £3.4bn | 97.4% | 2026-02-19 |
| The Crown EstateNew | Other | 2 | £35m | 1.0% | 2026-01-30 |
| N H S Shared Business Services | Other | 1 | £12m | 0.3% | 2024-04-26 |
| HM Revenue & Customs | Other | 2 | £10m | 0.3% | 2021-06-18 |
| NHS England | Other | 11 | £6m | 0.2% | 2025-08-18 |
| HealthTrust Europe LLP (HTE) acting as agent for the University Hospitals of Coventry and Warwickshire NHS Trust (“UHCW”) | Other | 3 | £4m | 0.1% | 2020-02-06 |
| Kettering General Hospital Nhs Trust | Other | 2 | £4m | 0.1% | 2021-12-22 |
| NHS SOUTH, CENTRAL AND WEST COMMISSIONING SUPPORT UNIT | Other | 10 | £3m | 0.1% | 2023-07-25 |
| Cabinet Office | Other | 1 | £2m | 0.1% | 2021-01-21 |
| Department for Business, Energy & Industrial Strategy | Other | 1 | £2m | 0.1% | 2023-04-21 |
| Ofgem | Other | 12 | £1m | 0.0% | 2024-10-29 |
| Espo | Other | 6 | £1m | 0.0% | 2021-08-22 |
| DEPARTMENT FOR LEVELLING UP, HOUSING AND COMMUNITIES | Other | 2 | £1m | 0.0% | 2023-08-09 |
| Ministry of Housing, Communities & Local Government | Other | 6 | £876k | 0.0% | 2023-11-09 |
| Yorkshire Ambulance Service | Other | 1 | £775k | 0.0% | 2023-03-23 |
| Surrey and Borders Partnership NHS Foundation TrustNew | Other | 1 | £750k | 0.0% | 2025-02-28 |
| Partners Procurement Service (PPS) | Other | 1 | £643k | 0.0% | 2024-02-26 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 1 | £594k | 0.0% | 2020-08-27 |
| United Lincolnshire Hospitals NHS Trust | Other | 1 | £556k | 0.0% | 2023-06-30 |
| South East Coast Ambulance Service NHS Foundation Trust | Other | 1 | £471k | 0.0% | 2023-09-22 |
| O F W A TNew | Other | 5 | £465k | 0.0% | 2025-12-01 |
| The Insolvency Service | Other | 3 | £405k | 0.0% | 2024-11-08 |
| The Princess Alexandra Hospital NHS Trust | Other | 1 | £394k | 0.0% | 2023-02-06 |
| Guy's and St Thomas' NHS Foundation Trust | Other | 2 | £325k | 0.0% | 2022-09-13 |
| British Business Bank | Other | 4 | £305k | 0.0% | 2020-06-17 |
| Surrey County Council | Other | 1 | £279k | 0.0% | 2022-07-01 |
| Scape Group LtdNew | Other | 1 | £250k | 0.0% | 2024-10-21 |
| Connected Places Catapult | Other | 1 | £242k | 0.0% | 2022-05-30 |
| Valuation Office Agency | Other | 1 | £238k | 0.0% | 2023-02-06 |
| BANK OF ENGLAND | Other | 3 | £208k | 0.0% | 2024-08-19 |
| Department for Work & Pensions | Other | 3 | £206k | 0.0% | 2023-08-13 |
| Department of Health and Social Care (DHSC)New | Other | 1 | £150k | 0.0% | 2025-05-30 |
| PROACTIS TENDERS LIMITED | Other | 1 | £148k | 0.0% | 2023-11-23 |
| University Hospitals Sussex NHS Foundation TrustNew | Other | 2 | £139k | 0.0% | 2026-03-11 |
| Smart Together | Other | 1 | £139k | 0.0% | 2023-09-08 |
| The Water Services Regulation Authority | Other | 4 | £138k | 0.0% | 2021-06-28 |
| Sussex Partnership NHS Foundation TrustNew | Other | 1 | £100k | 0.0% | 2024-05-31 |
| NHS Shared Business Services | Other | 2 | £98k | 0.0% | 2020-03-30 |
| Department for Culture, Media and Sport | Other | 2 | £97k | 0.0% | 2019-05-12 |
| North West London Clinical Commissioning Group | Other | 1 | £80k | 0.0% | 2022-03-15 |
| Care Quality Commission | Other | 1 | £70k | 0.0% | 2023-12-04 |
| CPSNew | Other | 1 | £50k | 0.0% | 2025-11-19 |
| Department for Business & TradeNew | Other | 1 | £50k | 0.0% | 2025-11-04 |
| NHS Blood and Transplant (NHSBT)New | Other | 2 | £42k | 0.0% | 2025-03-31 |
| Sussex Community NHS Foundation Trust | Other | 1 | £40k | 0.0% | 2023-06-14 |
| NHS Blood and Transplant (Filton, Bristol)New | Other | 1 | £35k | 0.0% | 2026-03-18 |
| DEFRA | Other | 1 | £27k | 0.0% | 2021-07-23 |
| BIP SOLUTIONS LIMITEDNew | Other | 1 | £18k | 0.0% | 2025-04-22 |
| East Suffolk and North Essex NHS FT | Other | 1 | £0k | 0.0% | 2023-02-09 |
| West Yorkshire Combined Authority | Other | 1 | £0k | 0.0% | 2017-03-15 |
| SSE plc | Other | 1 | £0k | 0.0% | |
| OPEN UNIVERSITY(THE) | Other | 1 | £0k | 0.0% | |
| Mid and South Essex NHS Foundation Trust | Other | 1 | £0k | 0.0% | |
| NHS LINCOLNSHIRE INTEGRATED CARE BOARD | Other | 1 | £0k | 0.0% | |
| East Sussex Healthcare NHS Trust | Other | 1 | £0k | 0.0% | |
| NHS SHARED BUSINESS SERVICES LIMITED | Other | 2 | £0k | 0.0% | |
| COUNTESS OF CHESTER HOSPITAL NHS FOUNDATION TRUST | Other | 1 | £0k | 0.0% | |
| UNITED UTILITIES WATER LIMITED | Other | 2 | £0k | 0.0% | |
| THAMES WATER UTILITIES LIMITED | Other | 1 | £0k | 0.0% | |
| NORTHUMBRIAN WATER LIMITED | Other | 1 | £0k | 0.0% | |