| Ministry of Defence | Other | 7 | £49m | 34.5% | 2024-04-29 |
| South East Coast Ambulance Service NHS Foundation Trust | Other | 6 | £48m | 33.5% | 2020-02-26 |
| UK RESEARCH & INNOVATION | Other | 2 | £13m | 9.0% | 2025-01-22 |
| PROCURE PLUS HOLDINGS LIMITED | Other | 1 | £9m | 6.3% | 2018-07-06 |
| THE UNIVERSITY OF BIRMINGHAM | Other | 5 | £8m | 5.5% | 2023-12-20 |
| Crown Commercial Service | Other | 7 | £3m | 2.4% | 2024-03-13 |
| MCA - Maritime and Coastguard Agency | Other | 3 | £2m | 1.6% | 2023-06-14 |
| Ministry of Defence, Land Equipment, Armoured Vehicles Programmes - Artillery Systems Programme | Other | 1 | £2m | 1.4% | 2018-08-13 |
| Department for Business & TradeNew | Other | 2 | £1m | 0.7% | 2025-03-21 |
| UK Biobank Ltd | Other | 1 | £933k | 0.7% | 2019-02-08 |
| Foreign Commonwealth and Development Office | Other | 7 | £850k | 0.6% | 2025-01-09 |
| Pool Reinsurance Company Limited | Other | 1 | £802k | 0.6% | 2024-04-12 |
| NHS England | Other | 5 | £522k | 0.4% | 2025-03-31 |
| HM Revenue & Customs | Other | 3 | £302k | 0.2% | 2022-11-16 |
| Department for Science, Innovation & Technology | Other | 2 | £265k | 0.2% | 2024-01-04 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 9 | £236k | 0.2% | 2024-11-01 |
| UK Research & Innovation | Other | 3 | £223k | 0.2% | 2024-09-03 |
| The University of Nottingham | Other | 1 | £168k | 0.1% | 2019-03-25 |
| Northern Trains Limited | Other | 1 | £163k | 0.1% | 2020-09-30 |
| UNIVERSITY OF SHEFFIELD | Other | 3 | £147k | 0.1% | 2025-07-24 |
| University Of The West Of England | Other | 3 | £136k | 0.1% | 2023-06-27 |
| NHS Digital | Other | 1 | £110k | 0.1% | 2021-11-08 |
| The Crown Estate | Other | 2 | £103k | 0.1% | 2024-05-31 |
| UNIVERSITY OF DERBY | Other | 2 | £100k | 0.1% | 2023-04-04 |
| BBC (British Broadcasting Corporation) | Other | 1 | £100k | 0.1% | 2020-03-31 |
| LONDON & PARTNERS LIMITED | Other | 1 | £98k | 0.1% | 2022-01-14 |
| Care Quality Commission | Other | 2 | £83k | 0.1% | 2022-11-23 |
| Mayor's Office for Policing And Crime | Other | 1 | £83k | 0.1% | 2024-04-30 |
| Espo | Other | 1 | £80k | 0.1% | 2020-11-14 |
| Met Office | Other | 6 | £79k | 0.1% | 2024-07-01 |
| Office for National Statistics | Other | 1 | £70k | 0.0% | 2023-03-21 |
| Cabinet Office | Other | 2 | £64k | 0.0% | 2021-03-31 |
| Department for International Trade | Other | 1 | £64k | 0.0% | 2021-06-22 |
| University of York | Other | 1 | £60k | 0.0% | 2023-06-28 |
| HM Land Registry | Other | 2 | £59k | 0.0% | 2020-03-17 |
| UK Health Security Agency | Other | 5 | £57k | 0.0% | 2025-05-09 |
| DfTc - Department for Transport | Other | 1 | £48k | 0.0% | 2024-01-08 |
| UNIVERSITY OF NOTTINGHAM (THE) | Other | 1 | £48k | 0.0% | 2019-04-11 |
| National Highways | Other | 2 | £48k | 0.0% | 2024-03-01 |
| Department for Culture, Media and Sport | Other | 1 | £48k | 0.0% | 2020-11-03 |
| Newcastle University | Other | 3 | £47k | 0.0% | 2021-07-21 |
| Department for Education | Other | 2 | £46k | 0.0% | 2021-02-21 |
| The Police and Crime Commissioner for NottinghamshireNew | Other | 2 | £45k | 0.0% | 2025-06-11 |
| Defence Science and Technology Laboratory | Other | 1 | £45k | 0.0% | 2022-11-25 |
| British Tourist Authority t/a VisitBritain/VisitEngland | Other | 1 | £40k | 0.0% | 2024-02-02 |
| UK Research and Innovation, Science and Technology Facilities CouncilNew | Other | 1 | £37k | 0.0% | 2024-10-08 |
| Northumbria PoliceNew | Other | 1 | £37k | 0.0% | 2024-08-28 |
| BIP SOLUTIONS LIMITEDNew | Other | 1 | £35k | 0.0% | 2025-10-02 |
| DEPARTMENT FOR LEVELLING UP, HOUSING AND COMMUNITIES | Other | 1 | £35k | 0.0% | 2022-05-09 |
| Coventry UniversityNew | Other | 1 | £33k | 0.0% | 2024-07-31 |
| Business Energy and Industrial Strategy | Other | 2 | £33k | 0.0% | 2023-09-21 |
| UK Hydrographic Office | Other | 3 | £25k | 0.0% | 2023-12-18 |
| Department for Transport | Other | 1 | £23k | 0.0% | 2020-03-31 |
| DRIVER & VEHICLE LICENSING AGENCY | Other | 2 | £21k | 0.0% | 2020-06-26 |
| East Riding of Yorkshire Council | Other | 1 | £20k | 0.0% | 2020-07-28 |
| NHS Blood and Transplant (Bristol) | Other | 1 | £20k | 0.0% | 2023-09-29 |
| Big Lottery Fund, operating as The National Lottery Community Fund | Other | 1 | £18k | 0.0% | 2019-12-03 |
| London Borough of Hackney | Other | 1 | £18k | 0.0% | 2020-03-18 |
| British Transport Police | Other | 1 | £17k | 0.0% | 2022-06-13 |
| Uttlesford District Council | Other | 1 | £17k | 0.0% | 2018-10-02 |
| Middlesbrough CouncilNew | Other | 1 | £16k | 0.0% | 2024-10-11 |
| UK Research and Innovation | Other | 1 | £14k | 0.0% | 2024-03-22 |
| BANK OF ENGLAND | Other | 1 | £13k | 0.0% | 2022-12-11 |
| Ministry of Justice | Other | 1 | £11k | 0.0% | 2017-03-10 |
| ST HELENS & KNOWSLEY TEACHING HOSPITALS NHS TRUST | Other | 1 | £10k | 0.0% | 2021-03-29 |
| D V L A | Other | 1 | £10k | 0.0% | 2018-06-28 |
| Government Digital Service | Other | 1 | £10k | 0.0% | 2018-05-23 |
| DEFRA | Other | 1 | £9k | 0.0% | 2017-04-27 |
| Maritime & Coastguard Agency | Other | 1 | £7k | 0.0% | 2018-07-04 |
| Wolverhampton City Council | Other | 1 | £6k | 0.0% | 2018-08-17 |
| Sheffield City Council | Other | 1 | £5k | 0.0% | 2022-10-26 |
| The Pensions Regulator | Other | 1 | £5k | 0.0% | 2022-09-29 |
| Student Loans Company | Other | 1 | £0k | 0.0% | 2020-09-28 |
| Transport Systems Catapult | Other | 1 | £0k | 0.0% | 2018-10-22 |