| Crown Commercial Service | Other | 8 | £751m | 60.4% | 2026-02-26 |
| Ministry of Justice | Other | 6 | £258m | 20.8% | 2026-01-22 |
| Home Office | Other | 2 | £36m | 2.9% | 2023-02-26 |
| Department for Environment Food & Rural Affairs | Other | 2 | £25m | 2.0% | 2025-04-15 |
| MCA - Maritime and Coastguard Agency | Other | 2 | £19m | 1.5% | 2023-02-16 |
| Ministry of Defence | Other | 4 | £17m | 1.4% | 2025-03-05 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 5 | £15m | 1.2% | 2024-04-18 |
| NHS England | Other | 6 | £12m | 1.0% | 2026-02-23 |
| HM Revenue & Customs | Other | 1 | £11m | 0.8% | 2019-06-23 |
| Ofsted | Other | 2 | £8m | 0.6% | 2022-05-24 |
| NUCLEAR DECOMMISSIONING AUTHORITYNew | Other | 1 | £7m | 0.6% | 2026-01-16 |
| HEE | Other | 1 | £6m | 0.5% | 2022-11-02 |
| Cabinet Office | Other | 1 | £6m | 0.5% | 2019-11-25 |
| National Highways | Other | 1 | £5m | 0.4% | 2023-02-17 |
| Care Quality Commission | Other | 3 | £5m | 0.4% | 2022-11-17 |
| DEFRA | Other | 1 | £5m | 0.4% | 2023-02-02 |
| Department for Education | Other | 4 | £4m | 0.3% | 2026-02-04 |
| Office for National Statistics | Other | 2 | £4m | 0.3% | 2026-02-09 |
| COLLEGE OF POLICING LIMITED | Other | 3 | £4m | 0.3% | 2022-09-15 |
| Department of Health & Social CareNew | Other | 1 | £4m | 0.3% | 2026-04-16 |
| Department of Health and Social Care (Yorkshire) | Other | 1 | £4m | 0.3% | 2022-05-11 |
| HM Land RegistryNew | Other | 1 | £3m | 0.3% | 2025-09-22 |
| NHS Digital | Other | 1 | £3m | 0.2% | 2019-07-24 |
| Department of Health and Social Care (DHSC) | Other | 2 | £3m | 0.2% | 2018-07-24 |
| CPS | Other | 1 | £3m | 0.2% | 2024-02-28 |
| NHS Blood and Transplant (NHSBT) | Other | 1 | £2m | 0.2% | 2022-04-28 |
| NHS Supply Chain Coordination | Other | 2 | £2m | 0.2% | 2025-01-09 |
| Department for Work & PensionsNew | Other | 1 | £2m | 0.2% | 2026-02-03 |
| ATAMIS LTD | Other | 1 | £2m | 0.2% | 2019-08-01 |
| North Yorkshire County Council | Other | 2 | £2m | 0.1% | 2025-11-28 |
| HM TreasuryNew | Other | 1 | £1m | 0.1% | 2026-03-05 |
| Defence Science and Technology LaboratoryNew | Other | 1 | £1m | 0.1% | 2025-01-16 |
| ORDNANCE SURVEY LIMITEDNew | Other | 1 | £1m | 0.1% | 2026-01-16 |
| Nhs Blood & Transplant | Other | 1 | £1m | 0.1% | 2015-08-03 |
| DEPARTMENT FOR INTERNATIONAL DEVELOPMENT | Other | 1 | £983k | 0.1% | 2019-12-02 |
| Security Industry Authority | Other | 3 | £802k | 0.1% | 2026-02-02 |
| Homes England (the name adopted by the Homes and Communities Agency) | Other | 1 | £800k | 0.1% | 2023-03-31 |
| UK Export FinanceNew | Other | 1 | £780k | 0.1% | 2025-10-15 |
| Office for Students | Other | 1 | £750k | 0.1% | 2022-02-24 |
| Office of Qualifications and Examinations Regulation (Ofqual) | Other | 1 | £720k | 0.1% | 2023-02-01 |
| HS2 | Other | 1 | £660k | 0.1% | 2019-10-17 |
| Suffolk County Council | Other | 1 | £660k | 0.1% | 2019-05-08 |
| OFCOMNew | Other | 1 | £600k | 0.0% | 2025-08-29 |
| UK SBSNew | Other | 1 | £550k | 0.0% | 2026-04-13 |
| Gambling CommissionNew | Other | 1 | £500k | 0.0% | 2025-04-15 |
| Homes England | Other | 1 | £500k | 0.0% | 2021-10-25 |
| Department for Culture, Media and Sport | Other | 2 | £400k | 0.0% | 2023-10-26 |
| Independent Police Complaints Commission | Other | 1 | £360k | 0.0% | 2018-07-12 |
| High Speed Two (HS2) Limited | Other | 1 | £350k | 0.0% | 2016-05-09 |
| NHS Arden and Greater East Midlands Commissioning Support Unit | Other | 1 | £300k | 0.0% | 2023-01-23 |
| Nottinghamshire County Council | Other | 1 | £250k | 0.0% | 2022-01-31 |
| NHS Business Services Authority | Other | 1 | £240k | 0.0% | 2019-09-01 |
| Radioactive Waste Management Limited | Other | 11 | £220k | 0.0% | 2021-06-01 |
| O F W A TNew | Other | 1 | £210k | 0.0% | 2025-05-28 |
| General Pharmaceutical CouncilNew | Other | 1 | £210k | 0.0% | 2025-02-25 |
| The Water Services Regulation Authority | Other | 1 | £200k | 0.0% | 2022-02-18 |
| CENTRE FOR ENVIRONMENT, FISHERIES AND AQUACULTURE SCIENCE | Other | 3 | £192k | 0.0% | 2024-09-26 |
| Government Legal DepartmentNew | Other | 1 | £190k | 0.0% | 2025-08-04 |
| Regulator of Social HousingNew | Other | 1 | £150k | 0.0% | 2025-04-01 |
| The Pensions RegulatorNew | Other | 1 | £150k | 0.0% | 2024-12-04 |
| Health & Safety Executive | Other | 1 | £150k | 0.0% | 2022-02-19 |
| OFFICE OF QUALIFICATIONS AND EXAMINATIONS REGULATION | Other | 1 | £150k | 0.0% | 2018-10-12 |
| Cafcass | Other | 1 | £112k | 0.0% | 2023-01-01 |
| Equality and Human Rights Commission | Other | 2 | £100k | 0.0% | 2026-04-20 |
| NHS SOUTH, CENTRAL AND WEST COMMISSIONING SUPPORT UNITNew | Other | 1 | £90k | 0.0% | 2025-03-24 |
| Government Internal Audit Agency | Other | 1 | £83k | 0.0% | 2019-06-14 |
| MHRA | Other | 1 | £70k | 0.0% | 2020-02-10 |
| Redditch Borough Council | Other | 1 | £50k | 0.0% | 2022-12-11 |
| The Arts Council of EnglandNew | Other | 1 | £40k | 0.0% | 2026-02-10 |
| DEPARTMENT FOR LEVELLING UP, HOUSING AND COMMUNITIES | Other | 1 | £32k | 0.0% | 2022-06-17 |
| Public Health England | Other | 1 | £14k | 0.0% | 2021-03-26 |
| Information Commissioner's Office | Other | 1 | £10k | 0.0% | 2017-01-16 |
| KMMHNew | Other | 1 | £0k | 0.0% | 2026-03-30 |
| Vehicle Certification AgencyNew | Other | 1 | £0k | 0.0% | 2025-06-27 |
| UK Health Security Agency | Other | 1 | £0k | 0.0% | 2023-03-03 |
| General Dental Council | Other | 1 | £0k | 0.0% | 2021-07-23 |
| Valuation Office Agency | Other | 2 | £0k | 0.0% | 2019-06-17 |
| Government Legal Service | Other | 1 | £0k | 0.0% | 2018-08-01 |
| Health Education England | Other | 1 | £0k | 0.0% | |
| The Minister for the Cabinet Office acting through Crown Commercial Service | Other | 1 | £0k | 0.0% | |