| Government Commercial AgencyNew | Other | 4 | £2.5bn | 67.8% | 2026-02-09 |
| NS&I | Other | 2 | £368m | 10.0% | 2023-11-03 |
| Home Office | Other | 18 | £337m | 9.1% | 2026-03-31 |
| Defence Science and Technology Laboratory | Other | 2 | £157m | 4.2% | 2024-06-03 |
| National Highways | Other | 9 | £58m | 1.6% | 2022-12-14 |
| Transport for London | Other | 2 | £45m | 1.2% | 2021-09-23 |
| Financial Conduct Authority | Other | 18 | £43m | 1.2% | 2023-08-01 |
| Crown Commercial Service | Other | 2 | £38m | 1.0% | 2021-03-26 |
| NUCLEAR DECOMMISSIONING AUTHORITYNew | Other | 2 | £36m | 1.0% | 2025-06-30 |
| South Yorkshire Police Headquarters | Other | 2 | £26m | 0.7% | 2024-11-01 |
| Ministry of Defence | Other | 16 | £16m | 0.4% | 2026-03-31 |
| Ministry of Justice | Other | 9 | £14m | 0.4% | 2025-06-25 |
| National Highways Limited | Other | 3 | £12m | 0.3% | 2025-12-09 |
| Cleveland Police | Other | 1 | £7m | 0.2% | 2020-10-01 |
| DEFRA | Other | 5 | £6m | 0.2% | 2023-01-04 |
| Department for Environment Food & Rural Affairs | Other | 2 | £5m | 0.1% | 2024-12-19 |
| NHS Business Services AuthorityNew | Other | 1 | £4m | 0.1% | 2025-04-11 |
| Civil Nuclear Police Authority (CNPA) / Civil Nuclear Constabulary (CNC) | Other | 1 | £3m | 0.1% | 2017-01-30 |
| National Employment Savings Trust (NEST) CorporationNew | Other | 2 | £3m | 0.1% | 2026-04-02 |
| NHS Blood and Transplant (NHSBT) | Other | 1 | £3m | 0.1% | 2024-01-24 |
| University College of London Hospitals NHS Trust | Other | 1 | £2m | 0.1% | 2016-09-15 |
| STUDENT LOANS COMPANY LIMITED | Other | 1 | £2m | 0.1% | 2019-05-10 |
| The Insolvency ServiceNew | Other | 1 | £2m | 0.1% | 2024-11-28 |
| Lancashire Constabulary | Other | 3 | £1m | 0.0% | 2024-04-22 |
| SKILLS FOR CARE LTD | Other | 1 | £772k | 0.0% | 2018-10-17 |
| Police, Fire & Crime Commissioner for Staffordshire | Other | 1 | £564k | 0.0% | 2023-02-23 |
| Department of Health and Social Care (DHSC) | Other | 1 | £525k | 0.0% | 2024-04-08 |
| London Borough of Redbridge | Other | 1 | £445k | 0.0% | 2021-06-02 |
| Maritime & Coastguard Agency | Other | 1 | £250k | 0.0% | 2017-12-22 |
| Public Health England | Other | 1 | £130k | 0.0% | 2020-12-23 |
| DEFENCE RELATIONSHIP MANAGEMENT | Other | 1 | £118k | 0.0% | 2019-06-27 |
| Department for Work & Pensions | Other | 2 | £87k | 0.0% | 2023-03-31 |
| HM Revenue & Customs | Other | 1 | £70k | 0.0% | 2017-03-31 |
| Department for Education | Other | 2 | £54k | 0.0% | 2018-01-09 |
| Supply Hertfordshire | Other | 1 | £50k | 0.0% | 2019-12-20 |
| POLICE DIGITAL SERVICE | Other | 1 | £38k | 0.0% | 2023-09-29 |
| The Charity Commission For England And Wales | Other | 1 | £24k | 0.0% | 2021-02-28 |
| United Kingdom Hydrographic Office | Other | 1 | £17k | 0.0% | 2016-10-12 |
| UK Hydrographic Office | Other | 1 | £10k | 0.0% | 2022-12-30 |
| Scottish Hydro Electric Power Distribution PlcNew | Other | 1 | £0k | 0.0% | 2025-12-22 |
| The Office of the Police and Crime Commissioner for Cleveland | Other | 1 | £0k | 0.0% | |
| NS&I | Other | 2 | £0k | 0.0% | |
| Kent Fire & Rescue Service | Other | 1 | £0k | 0.0% | |
| Scottish Government | Other | 1 | £0k | 0.0% | |
| NES | Other | 1 | £0k | 0.0% | |
| Office of the Sussex Police & Crime Commissioner | Other | 1 | £0k | 0.0% | |
| THAMES WATER UTILITIES LIMITED | Other | 1 | £0k | 0.0% | |
| NORTHUMBRIAN WATER LIMITED | Other | 1 | £0k | 0.0% | |
| The Minister for the Cabinet Office acting through Crown Commercial Service | Other | 1 | £0k | 0.0% | |