| Ministry of Justice | Other | 3 | £25m | 38.2% | 2024-02-28 |
| Nuclear Restoration ServicesNew | Other | 1 | £17m | 25.0% | 2025-12-31 |
| HS2 | Other | 5 | £6m | 9.1% | 2024-10-18 |
| Environment Agency | Other | 15 | £3m | 4.9% | 2026-04-21 |
| DEFRA | Other | 12 | £3m | 3.8% | 2025-12-24 |
| UK Health Security AgencyNew | Other | 1 | £2m | 3.0% | 2026-03-30 |
| Foreign Commonwealth and Development OfficeNew | Other | 1 | £2m | 2.8% | 2025-01-16 |
| LHC | Other | 1 | £2m | 2.4% | 2019-02-12 |
| High Speed Two (HS2) Limited | Other | 2 | £1m | 2.0% | 2016-12-23 |
| Ministry of Defence | Other | 1 | £750k | 1.1% | 2023-01-23 |
| Kirklees Council | Other | 1 | £679k | 1.0% | 2021-05-23 |
| National Highways | Other | 3 | £544k | 0.8% | 2022-11-22 |
| NHS South West - Acutes | Other | 1 | £408k | 0.6% | 2021-02-18 |
| Department for Energy Security & Net Zero | Other | 2 | £379k | 0.6% | 2024-01-16 |
| UNIVERSITY OF SOUTHAMPTONNew | Other | 1 | £353k | 0.5% | 2024-06-25 |
| THE PIRBRIGHT INSTITUTE | Other | 1 | £281k | 0.4% | 2022-09-05 |
| GOVERNMENT PROPERTY AGENCY | Other | 2 | £262k | 0.4% | 2024-07-26 |
| Department for Business, Energy & Industrial Strategy | Other | 2 | £260k | 0.4% | 2022-12-22 |
| Department of Health and Social Care (T&T) | Other | 1 | £250k | 0.4% | 2021-01-12 |
| Victoria and Albert Museum | Other | 2 | £250k | 0.4% | 2023-11-01 |
| Department for Work & Pensions | Other | 1 | £203k | 0.3% | 2023-08-29 |
| Sunderland City Council | Other | 1 | £181k | 0.3% | 2020-01-31 |
| Ofgem | Other | 1 | £150k | 0.2% | 2024-05-07 |
| Wiltshire Council | Other | 1 | £148k | 0.2% | 2020-07-31 |
| East Midlands Housing Group | Other | 2 | £125k | 0.2% | 2017-02-03 |
| Norfolk County Council | Other | 2 | £111k | 0.2% | 2017-12-05 |
| Department for Environment Food & Rural AffairsNew | Other | 1 | £70k | 0.1% | 2026-01-22 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 1 | £67k | 0.1% | 2020-11-30 |
| Plymouth City Council | Other | 1 | £66k | 0.1% | 2018-10-09 |
| Offshore Renewable Energy Catapult | Other | 1 | £59k | 0.1% | 2018-11-23 |
| South Tyneside Council | Other | 1 | £48k | 0.1% | 2019-07-15 |
| Buckinghamshire Council | Other | 1 | £47k | 0.1% | 2022-09-26 |
| Wolverhampton City Council | Other | 1 | £40k | 0.1% | 2016-11-25 |
| University of Lincoln | Other | 1 | £29k | 0.0% | 2019-01-31 |
| Department of Health & Social Care | Other | 1 | £20k | 0.0% | 2020-11-17 |
| UNIVERSITY OF SHEFFIELD | Other | 1 | £16k | 0.0% | 2016-08-04 |
| Network Rail Infrastructure Ltd | Other | 1 | £0k | 0.0% | |
| PIRBRIGHT INNOVATIONS LIMITED | Other | 1 | £0k | 0.0% | |
| West Northamptonshire Council | Other | 1 | £0k | 0.0% | |
| Nuclear Restoration Services Limited | Other | 1 | £0k | 0.0% | |
| Chesterfield Borough Council | Other | 1 | £0k | 0.0% | |
| University of Sunderland | Other | 1 | £0k | 0.0% | |
| SOUTH YORKSHIRE PASSENGER TRANSPORT EXECUTIVE | Other | 1 | £0k | 0.0% | |
| Dumfries and Galloway Council | Other | 1 | £0k | 0.0% | |