| National Highways Limited | Other | 2 | £505k | 11.8% | 2021-09-22 |
| Ministry of Defence | Other | 5 | £452k | 10.6% | 2025-12-19 |
| Foreign Commonwealth and Development Office | Other | 2 | £421k | 9.9% | 2024-04-01 |
| Department for International Trade | Other | 3 | £391k | 9.2% | 2022-09-16 |
| Ministry of Justice | Other | 1 | £253k | 5.9% | 2023-03-28 |
| NHS England | Other | 2 | £240k | 5.6% | 2025-07-31 |
| Department for Business & TradeNew | Other | 1 | £188k | 4.4% | 2025-09-16 |
| GREATER MANCHESTER EDUCATION TRUST | Other | 2 | £118k | 2.8% | 2021-12-23 |
| NUCLEAR DECOMMISSIONING AUTHORITY | Other | 2 | £104k | 2.4% | 2026-03-31 |
| Derbyshire County Council | Other | 2 | £102k | 2.4% | 2025-09-15 |
| HM Land Registry | Other | 2 | £102k | 2.4% | 2025-03-07 |
| OfgemNew | Other | 2 | £90k | 2.1% | 2026-03-20 |
| Department for Education | Other | 3 | £81k | 1.9% | 2025-09-27 |
| The Pensions Regulator | Other | 2 | £80k | 1.9% | 2024-03-12 |
| West Yorkshire Combined AuthorityNew | Other | 2 | £79k | 1.8% | 2025-04-04 |
| Board of Trustees of the Royal Botanic Gardens Kew | Other | 3 | £77k | 1.8% | 2023-07-12 |
| Police and Crime Commissioner for Lincolnshire | Other | 1 | £76k | 1.8% | 2022-05-19 |
| Essex County Council | Other | 2 | £70k | 1.6% | 2024-02-16 |
| Office for National Statistics | Other | 1 | £67k | 1.6% | 2023-12-15 |
| OPEN UNIVERSITY(THE)New | Other | 1 | £63k | 1.5% | 2026-02-24 |
| LONDON & PARTNERS LIMITED | Other | 1 | £58k | 1.3% | 2022-08-05 |
| UNIVERSITY OF SUSSEX(THE)New | Other | 1 | £49k | 1.2% | 2024-07-22 |
| Crown Commercial ServiceNew | Other | 1 | £44k | 1.0% | 2024-11-08 |
| OFCOMNew | Other | 1 | £44k | 1.0% | 2024-11-21 |
| Student Loans Company | Other | 1 | £44k | 1.0% | 2019-04-16 |
| Department for Environment Food & Rural Affairs | Other | 1 | £40k | 0.9% | 2023-03-10 |
| Tourism Ireland | Other | 1 | £40k | 0.9% | 2018-03-01 |
| DVSA - Driver and Vehicle Standards Agency | Other | 1 | £39k | 0.9% | 2022-03-30 |
| Central Bedfordshire CouncilNew | Other | 1 | £36k | 0.8% | 2026-03-20 |
| HER MAJESTYS LAND REGISTRY | Other | 1 | £35k | 0.8% | 2018-03-15 |
| Big Lottery Fund, operating as The National Lottery Community Fund | Other | 2 | £34k | 0.8% | 2022-05-13 |
| Nursing And Midwifery Council | Other | 1 | £32k | 0.7% | 2023-04-01 |
| Competition and Markets Authority | Other | 3 | £31k | 0.7% | 2022-07-06 |
| Ofsted | Other | 1 | £29k | 0.7% | 2022-08-31 |
| THE UNIVERSITY OF BIRMINGHAMNew | Other | 1 | £28k | 0.6% | 2024-06-12 |
| The Education Training CollectiveNew | Other | 1 | £25k | 0.6% | 2024-06-25 |
| Intellectual Property Office (IPO) | Other | 1 | £23k | 0.5% | 2024-02-26 |
| Guildford Borough Council | Other | 1 | £20k | 0.5% | 2023-10-11 |
| Driver & Vehicle Standards Agency | Other | 1 | £15k | 0.3% | 2020-03-31 |
| MHRA | Other | 1 | £14k | 0.3% | 2019-03-14 |
| Ministry of Housing, Communities & Local Government | Other | 1 | £13k | 0.3% | 2020-03-31 |
| Social Work England | Other | 1 | £11k | 0.3% | 2023-09-21 |
| Parliamentary and Health Service Ombudsman | Other | 1 | £10k | 0.2% | 2021-03-12 |
| UNIVERSITY OF SALFORD(THE)New | Other | 1 | £0k | 0.0% | 2026-05-12 |
| BRITISH COUNCIL(THE) | Other | 1 | £0k | 0.0% | 2024-01-31 |
| ORDNANCE SURVEY LIMITED | Other | 1 | £0k | 0.0% | |