| Home Office | Other | 2 | £16m | 22.9% | 2025-01-24 |
| Department for Work & PensionsNew | Other | 1 | £11m | 15.0% | 2026-04-30 |
| Department for International Trade | Other | 1 | £8m | 11.5% | 2024-03-19 |
| Espo | Other | 6 | £8m | 11.2% | 2019-03-27 |
| DVSA - Driver and Vehicle Standards AgencyNew | Other | 1 | £6m | 8.0% | 2025-06-10 |
| H M REVENUE & CUSTOMSNew | Other | 1 | £5m | 6.8% | 2025-03-18 |
| Intellectual Property OfficeNew | Other | 1 | £4m | 5.9% | 2025-10-14 |
| DfTc - Department for TransportNew | Other | 1 | £4m | 4.9% | 2024-07-29 |
| Met OfficeNew | Other | 2 | £2m | 2.6% | 2025-03-18 |
| Crown Commercial Service | Other | 3 | £2m | 2.2% | 2026-01-26 |
| Transport for London | Other | 2 | £1m | 1.7% | 2023-02-06 |
| Post Office Limited | Other | 2 | £1m | 1.5% | 2023-11-10 |
| Devon and Somerset Fire and Rescue AuthorityNew | Other | 1 | £800k | 1.1% | 2025-12-11 |
| UK Health Security AgencyNew | Other | 1 | £300k | 0.4% | 2024-09-06 |
| MCA - Maritime and Coastguard AgencyNew | Other | 1 | £250k | 0.4% | 2025-09-12 |
| Department of Health and Social Care (DHSC) | Other | 2 | £200k | 0.3% | 2025-03-19 |
| University of SunderlandNew | Other | 1 | £200k | 0.3% | 2025-02-20 |
| Driver and Vehicle Licensing AgencyNew | Other | 1 | £198k | 0.3% | 2025-09-22 |
| NSAH (ALLIANCE HOMES) LIMITED | Other | 2 | £190k | 0.3% | 2025-12-05 |
| NATIONAL WEALTH FUND LIMITED | Other | 1 | £187k | 0.3% | 2022-10-13 |
| Birmingham City Council | Other | 1 | £177k | 0.2% | 2024-04-15 |
| Flagship Housing Group | Other | 1 | £177k | 0.2% | 2023-05-01 |
| ASTON UNIVERSITYNew | Other | 1 | £150k | 0.2% | 2025-07-30 |
| Department for EducationNew | Other | 2 | £150k | 0.2% | 2025-05-29 |
| Crown Prosecution Service | Other | 1 | £150k | 0.2% | 2019-09-01 |
| General Dental CouncilNew | Other | 1 | £120k | 0.2% | 2025-02-25 |
| BRUNEL UNIVERSITY LONDON | Other | 1 | £110k | 0.2% | 2020-09-11 |
| Basingstoke and Deane Borough CouncilNew | Other | 1 | £100k | 0.1% | 2026-02-01 |
| UK Export FinanceNew | Other | 1 | £100k | 0.1% | 2025-05-23 |
| Thirteen Housing Group LimitedNew | Other | 1 | £71k | 0.1% | 2024-10-23 |
| London Borough of Hammersmith & Fulham | Other | 1 | £70k | 0.1% | 2024-04-04 |
| ONWARD GROUP LIMITED | Other | 1 | £55k | 0.1% | 2019-04-29 |
| City of London Corporation | Other | 1 | £53k | 0.1% | 2022-06-25 |
| Ashford Borough CouncilNew | Other | 1 | £45k | 0.1% | 2025-03-31 |
| NS&INew | Other | 1 | £42k | 0.1% | 2024-06-28 |
| Department for Culture, Media and SportNew | Other | 1 | £40k | 0.1% | 2025-12-19 |
| Torus62 LimitdNew | Other | 1 | £36k | 0.1% | 2025-04-28 |
| RESTORATION AND RENEWAL DELIVERY AUTHORITY LTD | Other | 1 | £32k | 0.0% | 2021-10-27 |
| NHS Supply Chain Coordination | Other | 1 | £29k | 0.0% | 2024-04-04 |
| Security Industry AuthorityNew | Other | 1 | £6k | 0.0% | 2025-09-03 |
| Procurement Services - Lifecycle on behalf of COMMERCIAL SERVICES KENT LIMITEDNew | Other | 2 | £0k | 0.0% | 2025-06-25 |
| Global Commercial Services Group LtdNew | Other | 1 | £0k | 0.0% | 2026-05-13 |
| The National ArchivesNew | Other | 1 | £0k | 0.0% | 2026-03-30 |
| National Audit OfficeNew | Other | 1 | £0k | 0.0% | 2026-01-05 |
| FCDO ServicesNew | Other | 1 | £0k | 0.0% | 2025-07-25 |
| Thirteen Housing Group Ltd | Other | 1 | £0k | 0.0% | 2019-09-26 |
| Notting Hill Genesis | Other | 1 | £0k | 0.0% | |
| DFT OPERATOR LIMITED | Other | 1 | £0k | 0.0% | |
| Derbyshire County Council | Other | 1 | £0k | 0.0% | |
| Corporate Officer of the House of Commons | Other | 1 | £0k | 0.0% | |
| NHS Wales Shared Services Partnership (hosted by Velindre University NHS Trust) | Other | 1 | £0k | 0.0% | |
| Ofsted | Other | 1 | £0k | 0.0% | |
| Driver & Vehicle Standards Agency | Other | 1 | £0k | 0.0% | |
| London Borough of Camden | Other | 1 | £0k | 0.0% | |
| Department for Transport | Other | 1 | £0k | 0.0% | |
| DESNZ & DSIT Group Commercial | Other | 1 | £0k | 0.0% | |
| Department for Business & Trade | Other | 1 | £0k | 0.0% | |
| Essex County Council | Other | 1 | £0k | 0.0% | |
| UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED | Other | 1 | £0k | 0.0% | |
| UNIVERSITY OF EXETER | Other | 1 | £0k | 0.0% | |