| HM Land Registry | Other | 1 | £49m | 19.5% | 2023-04-28 |
| Department for Environment Food & Rural AffairsNew | Other | 5 | £46m | 18.1% | 2026-02-06 |
| NHS England | Other | 3 | £34m | 13.5% | 2026-02-10 |
| Department for Education | Other | 7 | £34m | 13.3% | 2025-09-24 |
| DEPARTMENT FOR LEVELLING UP, HOUSING AND COMMUNITIES | Other | 5 | £16m | 6.5% | 2023-03-10 |
| N H S Shared Business Services | Other | 2 | £13m | 5.2% | 2024-01-26 |
| Ministry of Justice | Other | 2 | £9m | 3.6% | 2025-05-22 |
| Department for Business, Energy & Industrial Strategy | Other | 2 | £8m | 3.3% | 2023-01-19 |
| Department for Energy Security & Net Zero | Other | 5 | £5m | 2.1% | 2026-03-20 |
| Ministry of Housing, Communities & Local GovernmentNew | Other | 1 | £5m | 2.0% | 2024-11-11 |
| Government Digital Service | Other | 1 | £5m | 2.0% | 2022-11-15 |
| Department for Business & TradeNew | Other | 1 | £5m | 1.8% | 2025-05-09 |
| YPO | Other | 1 | £4m | 1.7% | 2023-12-19 |
| Department for Culture, Media and Sport | Other | 3 | £4m | 1.4% | 2026-02-06 |
| DEFRA | Other | 2 | £3m | 1.3% | 2023-12-21 |
| Care Quality Commission | Other | 4 | £3m | 1.1% | 2024-07-12 |
| East Sussex Healthcare NHS TrustNew | Other | 1 | £3m | 1.0% | 2026-03-20 |
| Government Legal Department | Other | 2 | £902k | 0.4% | 2021-11-30 |
| Department of Health & Social Care | Other | 2 | £894k | 0.4% | 2022-06-29 |
| East of England NHS collaborative Procurement Hub | Other | 1 | £870k | 0.3% | 2024-04-24 |
| Health Education England | Other | 1 | £650k | 0.3% | 2022-10-01 |
| Leeds City Council | Other | 3 | £500k | 0.2% | 2023-02-27 |
| West Yorkshire Combined AuthorityNew | Other | 1 | £347k | 0.1% | 2024-07-15 |
| Department for Work & Pensions | Other | 3 | £291k | 0.1% | 2025-12-15 |
| London Borough of Camden | Other | 1 | £249k | 0.1% | 2023-09-21 |
| Homes England (the name adopted by the Homes and Communities Agency) | Other | 2 | £167k | 0.1% | 2025-01-31 |
| Food Standards AgencyNew | Other | 1 | £151k | 0.1% | 2025-04-11 |
| University of LincolnNew | Other | 1 | £150k | 0.1% | 2025-07-03 |
| Manchester City Council | Other | 3 | £103k | 0.0% | 2023-08-15 |
| Central Bedfordshire Council | Other | 1 | £102k | 0.0% | 2022-03-20 |
| Surrey County Council | Other | 2 | £100k | 0.0% | 2022-06-07 |
| UKHSA | Other | 1 | £96k | 0.0% | 2023-01-20 |
| Equality and Human Rights CommissionNew | Other | 1 | £93k | 0.0% | 2026-02-13 |
| London Borough of Hackney | Other | 1 | £80k | 0.0% | 2023-08-01 |
| Cambridgeshire and Peterborough Combined AuthorityNew | Other | 1 | £70k | 0.0% | 2025-07-03 |
| Office for National Statistics | Other | 1 | £68k | 0.0% | 2024-03-22 |
| The Oldham CollegeNew | Other | 1 | £50k | 0.0% | 2025-09-05 |
| Buckinghamshire Council | Other | 1 | £38k | 0.0% | 2024-01-11 |
| Midlands & Lancashire C S U | Other | 1 | £31k | 0.0% | 2023-09-22 |
| Greater Manchester Combined Authority - GMPNew | Other | 1 | £30k | 0.0% | 2025-07-01 |
| SATELLITE APPLICATIONS CATAPULT | Other | 4 | £26k | 0.0% | 2023-03-13 |
| Natural England | Other | 1 | £18k | 0.0% | 2022-11-30 |
| Scottish Hydro Electric Power Distribution PlcNew | Other | 1 | £0k | 0.0% | 2025-12-22 |
| JISC | Other | 1 | £0k | 0.0% | |
| Mid and South Essex NHS Foundation Trust | Other | 1 | £0k | 0.0% | |
| East Of England NHS Collaborative Hub | Other | 3 | £0k | 0.0% | |
| NHS SHARED BUSINESS SERVICES LIMITED | Other | 7 | £0k | 0.0% | |
| Kent County Council (t/a KCS Procurement Services) | Other | 1 | £0k | 0.0% | |
| National Highways | Other | 1 | £0k | 0.0% | |
| National Highways Limited | Other | 1 | £0k | 0.0% | |
| South Tees Development Corporation | Other | 1 | £0k | 0.0% | |
| The University of Northumbria at Newcastle | Other | 1 | £0k | 0.0% | |
| Coventry City Council | Other | 1 | £0k | 0.0% | |
| Digital Health & Care Wales | Other | 1 | £0k | 0.0% | |