| Ministry of Justice | Other | 9 | £129m | 82.5% | 2025-03-11 |
| Financial Ombudsman Service | Other | 2 | £9m | 5.8% | 2023-06-01 |
| CPS | Other | 2 | £7m | 4.4% | 2021-03-31 |
| Manchester City CouncilNew | Other | 6 | £1m | 0.9% | 2025-10-20 |
| UK Shared Business Services Ltd | Other | 1 | £1m | 0.7% | 2016-01-01 |
| London Borough of HarrowNew | Other | 3 | £932k | 0.6% | 2026-03-20 |
| University Of The West Of England | Other | 18 | £931k | 0.6% | 2024-08-21 |
| The Insolvency Service | Other | 2 | £494k | 0.3% | 2024-03-22 |
| FCANew | Other | 2 | £420k | 0.3% | 2025-08-06 |
| DVSA - Driver and Vehicle Standards Agency | Other | 1 | £416k | 0.3% | 2023-09-01 |
| The Pensions Regulator | Other | 3 | £350k | 0.2% | 2025-03-31 |
| UNITED UTILITIES WATER LIMITED | Other | 1 | £350k | 0.2% | |
| North Yorkshire County Council | Other | 2 | £347k | 0.2% | 2024-03-27 |
| Financial Conduct Authority | Other | 3 | £342k | 0.2% | 2018-12-31 |
| Competition and Markets Authority | Other | 7 | £316k | 0.2% | 2024-03-25 |
| Intellectual Property OfficeNew | Other | 3 | £284k | 0.2% | 2025-09-01 |
| Rotherham Metropolitan Borough Council | Other | 3 | £282k | 0.2% | 2024-09-04 |
| Transport for LondonNew | Other | 3 | £240k | 0.2% | 2025-09-11 |
| East Sussex County Council | Other | 3 | £238k | 0.2% | 2023-06-29 |
| West Sussex County Council | Other | 2 | £211k | 0.1% | 2023-06-30 |
| Corporate Officer of the House of CommonsNew | Other | 3 | £209k | 0.1% | 2024-06-30 |
| Department for Education | Other | 2 | £160k | 0.1% | 2021-03-18 |
| Department for Work & Pensions | Other | 2 | £136k | 0.1% | 2021-03-02 |
| Health and Safety ExecutiveNew | Other | 1 | £120k | 0.1% | 2025-07-01 |
| Post Office Limited | Other | 1 | £109k | 0.1% | 2023-07-26 |
| Equality and Human Rights Commission | Other | 3 | £102k | 0.1% | 2020-09-30 |
| BIP SOLUTIONS LIMITEDNew | Other | 1 | £94k | 0.1% | 2026-03-17 |
| Brighton and Hove City Council | Other | 2 | £93k | 0.1% | 2024-04-01 |
| Barnsley Metropolitan Borough Council | Other | 1 | £92k | 0.1% | 2024-04-01 |
| HEADQUARTERS PROVOST MARSHAL (ARMY) | Other | 1 | £90k | 0.1% | 2023-03-30 |
| Home Office | Other | 2 | £81k | 0.1% | 2021-08-31 |
| HS2 | Other | 2 | £81k | 0.1% | 2020-11-24 |
| North Devon District Council | Other | 2 | £78k | 0.0% | 2016-12-31 |
| Kirklees CouncilNew | Other | 1 | £76k | 0.0% | 2026-03-30 |
| Ministry of Defence | Other | 1 | £72k | 0.0% | 2024-03-28 |
| UK Health Security Agency | Other | 2 | £66k | 0.0% | 2023-03-29 |
| DONCASTER CHILDREN'S SERVICES TRUST LIMITED | Other | 1 | £61k | 0.0% | 2020-05-12 |
| Driver and Vehicle Standards AgencyNew | Other | 2 | £61k | 0.0% | 2025-06-24 |
| Wakefield Council Customer Service | Other | 1 | £56k | 0.0% | 2018-08-31 |
| WAKEFIELD COUNCIL | Other | 1 | £56k | 0.0% | 2023-05-03 |
| Bournemouth Christchurch and Poole Council | Other | 1 | £56k | 0.0% | 2022-07-31 |
| West Northamptonshire CouncilNew | Other | 2 | £55k | 0.0% | 2025-04-01 |
| Met Office | Other | 6 | £52k | 0.0% | 2022-11-15 |
| Information Commissioner's Office | Other | 1 | £50k | 0.0% | 2023-01-31 |
| Security Industry AuthorityNew | Other | 2 | £45k | 0.0% | 2025-07-29 |
| DERBY CITY COUNCILNew | Other | 1 | £43k | 0.0% | 2025-03-31 |
| NHS Resolution | Other | 1 | £42k | 0.0% | 2022-05-20 |
| Pool Re Services LimitedNew | Other | 1 | £41k | 0.0% | 2025-09-02 |
| South Ribble Borough Council | Other | 1 | £39k | 0.0% | 2018-11-28 |
| Border to Coast Pensions Partnership Limited | Other | 1 | £39k | 0.0% | 2022-04-12 |
| Department of Health and Social Care (DHSC)New | Other | 2 | £37k | 0.0% | 2026-06-01 |
| Office for Environmental Protection | Other | 1 | £37k | 0.0% | 2022-02-07 |
| Board of Trustees of the Royal Botanic Gardens Kew | Other | 2 | £36k | 0.0% | 2023-07-31 |
| Leicestershire County Council | Other | 1 | £35k | 0.0% | 2021-04-30 |
| London Borough of Croydon | Other | 1 | £35k | 0.0% | 2023-03-01 |
| Welland Procurement Unit | Other | 1 | £33k | 0.0% | 2021-03-25 |
| HM Land Registry | Other | 3 | £33k | 0.0% | 2021-03-18 |
| DERBY HOMES LIMITED | Other | 1 | £33k | 0.0% | 2019-02-02 |
| UK Debt Management Office | Other | 1 | £31k | 0.0% | 2022-03-08 |
| The Crown EstateNew | Other | 1 | £27k | 0.0% | 2024-07-18 |
| Disclosure and Barring Service | Other | 1 | £26k | 0.0% | 2017-10-10 |
| Coventry UniversityNew | Other | 2 | £26k | 0.0% | 2024-11-04 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 1 | £25k | 0.0% | 2020-03-12 |
| HM Revenue & Customs | Other | 1 | £23k | 0.0% | 2018-08-31 |
| Royal Botanic Gardens | Other | 1 | £14k | 0.0% | 2017-05-03 |
| Single Source Regulations Office | Other | 1 | £8k | 0.0% | 2016-06-30 |
| Financial Ombudsman Service LimitedNew | Other | 4 | £0k | 0.0% | 2026-05-19 |
| DVSA | Other | 1 | £0k | 0.0% | |
| Homes England | Other | 1 | £0k | 0.0% | |
| The Lord Chancellor | Other | 2 | £0k | 0.0% | |
| Coventry City Council | Other | 1 | £0k | 0.0% | |
| Government Legal Department | Other | 1 | £0k | 0.0% | |
| South Staffordshire District Council | Other | 1 | £0k | 0.0% | |
| Oxford City Council | Other | 1 | £0k | 0.0% | |
| Norfolk County Council | Other | 1 | £0k | 0.0% | |
| Metropolitan Police Service | Other | 1 | £0k | 0.0% | |
| Merseytravel | Other | 1 | £0k | 0.0% | |
| DFT OPERATOR LIMITED | Other | 1 | £0k | 0.0% | |
| Natural Resources Wales | Other | 1 | £0k | 0.0% | |
| City & County of Swansea | Other | 1 | £0k | 0.0% | |
| University of South Wales | Other | 1 | £0k | 0.0% | |
| National Oceanography Centre | Other | 1 | £0k | 0.0% | |
| London Borough of Camden | Other | 1 | £0k | 0.0% | |
| Bristol City Council | Other | 1 | £0k | 0.0% | |
| University of Portsmouth Higher Education Corporation | Other | 1 | £0k | 0.0% | |
| UNIVERSITY OF EXETER | Other | 1 | £0k | 0.0% | |
| Dacorum Borough Council | Other | 1 | £0k | 0.0% | |