| Derbyshire County Council | Other | 4 | £2m | 8.5% | 2025-08-28 |
| London Borough of Haringey | Other | 1 | £925k | 3.9% | 2023-11-07 |
| Department for Education | Other | 5 | £835k | 3.6% | 2023-11-22 |
| West Lindsey District Council | Other | 5 | £784k | 3.3% | 2026-02-06 |
| Herefordshire Council | Other | 2 | £742k | 3.2% | 2026-04-10 |
| Hull City CouncilNew | Other | 1 | £722k | 3.1% | 2025-08-01 |
| The Arts Council of EnglandNew | Other | 1 | £675k | 2.9% | 2025-09-23 |
| Coventry City Council | Other | 1 | £665k | 2.8% | 2023-11-01 |
| East Herts CouncilNew | Other | 1 | £639k | 2.7% | 2024-09-26 |
| Warwickshire County Council | Other | 2 | £636k | 2.7% | 2026-03-12 |
| West Sussex County Council | Other | 4 | £619k | 2.6% | 2024-07-10 |
| London Borough of Waltham ForestNew | Other | 1 | £602k | 2.6% | 2024-07-25 |
| Milton Keynes Council | Other | 2 | £488k | 2.1% | 2025-09-12 |
| Wirral Borough Council | Other | 3 | £411k | 1.8% | 2026-04-20 |
| Leicestershire County Council | Other | 2 | £392k | 1.7% | 2022-09-28 |
| Royal Borough of Kingston Upon Thames | Other | 1 | £377k | 1.6% | 2023-08-30 |
| Essex County Council | Other | 3 | £366k | 1.6% | 2026-01-08 |
| City of Bradford Metropolitan District Council | Other | 5 | £366k | 1.6% | 2026-05-06 |
| Nottinghamshire County Council | Other | 2 | £357k | 1.5% | 2023-06-05 |
| DERBY CITY COUNCILNew | Other | 1 | £356k | 1.5% | 2025-04-16 |
| CHESHIRE EAST COUNCIL | Other | 3 | £338k | 1.4% | 2024-12-05 |
| Redcar and Cleveland Borough Council | Other | 2 | £335k | 1.4% | 2023-08-01 |
| National Highways Limited | Other | 2 | £333k | 1.4% | 2026-03-30 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 6 | £328k | 1.4% | 2025-10-01 |
| North Hertfordshire District Council | Other | 2 | £308k | 1.3% | 2020-03-02 |
| HM Revenue & Customs | Other | 1 | £291k | 1.2% | 2021-07-01 |
| Welland Procurement Unit | Other | 2 | £288k | 1.2% | 2024-11-01 |
| Mole Valley District Council | Other | 1 | £281k | 1.2% | 2024-03-12 |
| Cheshire West and Chester Council | Other | 1 | £277k | 1.2% | 2023-07-01 |
| Wealden District CouncilNew | Other | 3 | £266k | 1.1% | 2026-04-10 |
| Ipswich Borough Council | Other | 2 | £256k | 1.1% | 2024-09-25 |
| London Borough of Hammersmith & FulhamNew | Other | 1 | £250k | 1.1% | 2024-06-26 |
| Care Quality Commission | Other | 3 | £248k | 1.1% | 2025-05-22 |
| Met Office | Other | 4 | £226k | 1.0% | 2024-12-06 |
| UK Health Security Agency | Other | 2 | £223k | 0.9% | 2026-03-30 |
| Southend-on-sea Borough Council | Other | 2 | £218k | 0.9% | 2025-03-27 |
| Somerset CouncilNew | Other | 2 | £200k | 0.9% | 2025-12-01 |
| Nuneaton & Bedworth Borough Council | Other | 1 | £190k | 0.8% | 2023-03-30 |
| Companies HouseNew | Other | 1 | £188k | 0.8% | 2025-05-01 |
| Gloucestershire County Council | Other | 1 | £180k | 0.8% | 2021-12-02 |
| North Northamptonshire CouncilNew | Other | 1 | £175k | 0.7% | 2024-06-26 |
| BANK OF ENGLANDNew | Other | 1 | £175k | 0.7% | 2026-01-22 |
| Horsham District Council | Other | 1 | £170k | 0.7% | 2024-01-12 |
| Ministry of Justice | Other | 2 | £170k | 0.7% | 2026-03-16 |
| Driver and Vehicle Licensing Agency | Other | 2 | £160k | 0.7% | 2025-05-29 |
| Health & Safety ExecutiveNew | Other | 1 | £158k | 0.7% | 2024-09-24 |
| North Lincolnshire Council | Other | 1 | £155k | 0.7% | 2022-12-23 |
| Bradford Metropolitan District Council | Other | 1 | £154k | 0.7% | 2021-02-09 |
| Dorset CouncilNew | Other | 1 | £151k | 0.6% | 2025-10-02 |
| Buckinghamshire Council | Other | 1 | £150k | 0.6% | 2021-06-03 |
| North Yorkshire County Council | Other | 1 | £149k | 0.6% | 2022-11-28 |
| Nuneaton & Bedworth Borough Council | Other | 1 | £138k | 0.6% | 2020-02-28 |
| WAKEFIELD COUNCILNew | Other | 1 | £137k | 0.6% | 2024-09-01 |
| Middlesbrough CouncilNew | Other | 2 | £129k | 0.5% | 2024-12-08 |
| Financial Conduct Authority | Other | 1 | £121k | 0.5% | 2023-03-19 |
| East Riding of Yorkshire Council | Other | 3 | £115k | 0.5% | 2025-01-29 |
| Sheffield City CouncilNew | Other | 1 | £109k | 0.5% | 2024-06-11 |
| Peterborough City Council | Other | 2 | £104k | 0.4% | 2021-08-23 |
| Freebridge Community Housing LimitedNew | Other | 1 | £102k | 0.4% | 2024-10-01 |
| Foreign Commonwealth and Development OfficeNew | Other | 1 | £98k | 0.4% | 2024-11-04 |
| ATTAIN HEALTH MANAGEMENT SERVICES LTDNew | Other | 1 | £97k | 0.4% | 2025-11-04 |
| Lincolnshire County CouncilNew | Other | 1 | £89k | 0.4% | 2025-08-04 |
| EU SUPPLY LIMITED | Other | 2 | £89k | 0.4% | 2023-06-27 |
| Epping Forest District CouncilNew | Other | 1 | £88k | 0.4% | 2025-03-03 |
| North Devon District Council | Other | 2 | £85k | 0.4% | 2024-10-25 |
| Torbay Council | Other | 1 | £85k | 0.4% | 2020-03-24 |
| National Highways | Other | 1 | £84k | 0.4% | 2023-03-07 |
| Rotherham Metropolitan Borough CouncilNew | Other | 1 | £77k | 0.3% | 2025-02-17 |
| West Berkshire Council | Other | 1 | £77k | 0.3% | 2021-04-21 |
| Luton CouncilNew | Other | 1 | £75k | 0.3% | 2025-12-03 |
| Thirteen Housing Group Limited | Other | 1 | £72k | 0.3% | 2024-03-26 |
| Leeds City Council | Other | 2 | £70k | 0.3% | 2022-09-30 |
| DRIVER & VEHICLE LICENSING AGENCY | Other | 1 | £70k | 0.3% | 2021-07-02 |
| Oxfordshire County CouncilNew | Other | 1 | £66k | 0.3% | 2025-03-01 |
| NORTH TYNESIDE COUNCIL | Other | 1 | £63k | 0.3% | 2023-12-20 |
| Cambridgeshire County CouncilNew | Other | 1 | £61k | 0.3% | 2025-08-18 |
| Longhurst Group | Other | 1 | £61k | 0.3% | 2024-03-22 |
| Health Research AuthorityNew | Other | 1 | £60k | 0.3% | 2024-09-25 |
| Southampton City Council | Other | 1 | £60k | 0.3% | 2023-06-26 |
| City of Doncaster Council | Other | 2 | £56k | 0.2% | 2025-02-28 |
| Intellectual Property OfficeNew | Other | 1 | £52k | 0.2% | 2025-05-16 |
| West Yorkshire Combined AuthorityNew | Other | 2 | £50k | 0.2% | 2025-04-23 |
| Telford & Wrekin Council | Other | 1 | £50k | 0.2% | 2021-07-30 |
| Ashford Borough CouncilNew | Other | 1 | £50k | 0.2% | 2026-02-23 |
| Dacorum Borough Council | Other | 1 | £48k | 0.2% | 2023-05-16 |
| Cumberland CouncilNew | Other | 1 | £47k | 0.2% | 2026-01-08 |
| Manchester Metropolitan University | Other | 1 | £46k | 0.2% | 2021-05-25 |
| DERBY HOMES LIMITEDNew | Other | 1 | £45k | 0.2% | 2025-07-18 |
| HM Land Registry | Other | 1 | £42k | 0.2% | 2022-12-06 |
| Office for National StatisticsNew | Other | 1 | £42k | 0.2% | 2026-02-25 |
| NHDC - Communications | Other | 1 | £41k | 0.2% | 2024-05-06 |
| NHS SOUTH, CENTRAL AND WEST COMMISSIONING SUPPORT UNITNew | Other | 2 | £41k | 0.2% | 2026-04-16 |
| Hartlepool Borough Council | Other | 1 | £41k | 0.2% | 2023-01-02 |
| West Northamptonshire Council | Other | 2 | £40k | 0.2% | 2021-10-30 |
| NHS England | Other | 1 | £39k | 0.2% | 2023-07-26 |
| Optivo | Other | 1 | £38k | 0.2% | 2021-01-14 |
| London Borough of MertonNew | Other | 2 | £35k | 0.1% | 2024-08-30 |
| Lancashire County Council | Other | 1 | £33k | 0.1% | 2021-11-21 |
| London Borough Of Islington | Other | 1 | £32k | 0.1% | 2023-02-24 |
| ST HELENS & KNOWSLEY TEACHING HOSPITALS NHS TRUST | Other | 1 | £32k | 0.1% | 2022-03-30 |
| The Insolvency ServiceNew | Other | 1 | £31k | 0.1% | 2025-06-27 |
| Parliamentary and Health Service Ombudsman | Other | 2 | £29k | 0.1% | 2021-04-01 |
| Plymouth City Council | Other | 1 | £29k | 0.1% | 2024-04-30 |
| NHS Counter Fraud AuthorityNew | Other | 1 | £19k | 0.1% | 2025-06-05 |
| Government Actuary Department | Other | 1 | £14k | 0.1% | 2023-06-16 |
| UK Hydrographic Office | Other | 1 | £14k | 0.1% | 2022-08-12 |
| Dudley Metropolitan Borough Council | Other | 1 | £0k | 0.0% | 2023-03-29 |
| Sellafield Limited | Other | 1 | £0k | 0.0% | |
| Merseytravel | Other | 1 | £0k | 0.0% | |
| Lancaster City Council | Other | 2 | £0k | 0.0% | |
| Perth & Kinross Council | Other | 1 | £0k | 0.0% | |
| Portsmouth City Council | Other | 2 | £0k | 0.0% | |
| Competition and Markets Authority | Other | 1 | £0k | 0.0% | |
| DUDLEY MBC | Other | 1 | £0k | 0.0% | |
| Norfolk County Council | Other | 1 | £0k | 0.0% | |
| Newark And Sherwood District Council | Other | 1 | £0k | 0.0% | |
| Oxford City Council | Other | 1 | £0k | 0.0% | |