| HS2 | Other | 1 | £115m | 33.7% | 2020-07-31 |
| Crown Commercial Service | Other | 2 | £65m | 19.1% | 2024-03-01 |
| Department for Work & PensionsNew | Other | 1 | £50m | 14.7% | 2026-03-31 |
| Department for EducationNew | Other | 1 | £26m | 7.7% | 2026-01-06 |
| Espo | Other | 5 | £26m | 7.6% | 2021-12-21 |
| Fusion21 Members Consortium | Other | 2 | £13m | 3.7% | 2021-02-19 |
| Telford & Wrekin Council | Other | 1 | £9m | 2.6% | 2020-06-08 |
| Home OfficeNew | Other | 2 | £6m | 1.8% | 2026-03-27 |
| ANGLIAN WATER SERVICES LIMITEDNew | Other | 1 | £6m | 1.8% | 2026-05-01 |
| Guildford Borough Council | Other | 2 | £4m | 1.1% | 2024-09-17 |
| NEUPC LtdNew | Other | 3 | £3m | 0.9% | 2025-04-16 |
| GREATER MANCHESTER EDUCATION TRUSTNew | Other | 3 | £3m | 0.9% | 2025-04-15 |
| Dounreay a division of Magnox Limited | Other | 1 | £2m | 0.6% | 2023-08-14 |
| Peabody Trust | Other | 1 | £1m | 0.4% | 2020-08-04 |
| National Highways | Other | 2 | £1m | 0.4% | 2024-09-30 |
| Nuclear Restoration Services Limited (Dounreay)New | Other | 2 | £1m | 0.3% | 2026-01-12 |
| UNIVERSITY OF SUSSEX(THE) | Other | 5 | £1m | 0.3% | 2024-07-01 |
| The Association of North East Councils Limited | Other | 2 | £1m | 0.3% | 2022-11-29 |
| H M REVENUE & CUSTOMS | Other | 2 | £944k | 0.3% | 2024-03-15 |
| Environment Agency | Other | 4 | £911k | 0.3% | 2025-07-10 |
| Loughborough University | Other | 5 | £890k | 0.3% | 2026-02-10 |
| NHS Property Services Limited | Other | 12 | £666k | 0.2% | 2026-03-05 |
| Dounreay Site Restoration Limited | Other | 1 | £600k | 0.2% | 2022-11-04 |
| NHS Property ServicesNew | Other | 3 | £585k | 0.2% | 2025-09-30 |
| DEFRANew | Other | 1 | £422k | 0.1% | 2026-02-02 |
| DERBY CITY COUNCIL | Other | 2 | £301k | 0.1% | 2024-06-30 |
| Homes England (the name adopted by the Homes and Communities Agency) | Other | 6 | £300k | 0.1% | 2023-01-31 |
| EA | Other | 2 | £250k | 0.1% | 2023-10-16 |
| Reading Borough CouncilNew | Other | 1 | £247k | 0.1% | 2025-09-22 |
| Ministry of Housing, Communities & Local Government, Northeast, 2nd floor, Fry BuildingNew | Other | 1 | £206k | 0.1% | 2026-03-09 |
| DfTc - Department for Transport | Other | 2 | £196k | 0.1% | 2025-02-12 |
| Coventry UniversityNew | Other | 2 | £196k | 0.1% | 2024-07-01 |
| Ministry of Defence | Other | 1 | £192k | 0.1% | 2023-07-20 |
| Dounreay Site Restoration Ltd | Other | 2 | £158k | 0.0% | 2023-02-10 |
| Office of Rail and Road | Other | 1 | £150k | 0.0% | 2017-09-12 |
| West London NHS TrustNew | Other | 1 | £147k | 0.0% | 2024-07-03 |
| Sunderland City Council | Other | 1 | £145k | 0.0% | 2021-03-18 |
| The Princess Alexandra Hospital NHS TrustNew | Other | 1 | £101k | 0.0% | 2025-03-04 |
| UNIVERSITY OF LANCASTER | Other | 1 | £101k | 0.0% | 2018-09-17 |
| LGSS | Other | 1 | £94k | 0.0% | 2016-06-24 |
| SOUTH YORKSHIRE PASSENGER TRANSPORT EXECUTIVE | Other | 1 | £83k | 0.0% | 2019-12-19 |
| Kent County Council | Other | 1 | £79k | 0.0% | 2024-02-09 |
| London Borough of SuttonNew | Other | 1 | £68k | 0.0% | 2025-04-15 |
| Central and North West London NHS Foundation Trust | Other | 1 | £44k | 0.0% | 2017-05-01 |
| West Northamptonshire Council | Other | 1 | £41k | 0.0% | 2022-10-05 |
| Nottinghamshire Police Force | Other | 1 | £39k | 0.0% | 2019-01-07 |
| London Ambulance Service NHS Trust | Other | 1 | £32k | 0.0% | 2024-01-22 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 2 | £32k | 0.0% | 2023-09-13 |
| Leicester City Council | Other | 2 | £20k | 0.0% | 2022-11-25 |
| L&Q Construction | Other | 1 | £8k | 0.0% | 2019-10-25 |
| Ministry of Justice | Other | 1 | £0k | 0.0% | 2019-11-29 |
| NOE CPC | Other | 1 | £0k | 0.0% | 2018-10-15 |
| Birmingham City Council | Other | 1 | £0k | 0.0% | 2018-03-22 |
| Lancaster University | Other | 1 | £0k | 0.0% | 2017-04-07 |
| University of Worcester | Other | 1 | £0k | 0.0% | 2016-07-28 |
| The Minister for the Cabinet Office acting through Crown Commercial Service | Other | 1 | £0k | 0.0% | |
| NHS Wales Shared Services Partnership (hosted by Velindre University NHS Trust) | Other | 1 | £0k | 0.0% | |
| Llywodraeth Cymru / Welsh Government | Other | 2 | £0k | 0.0% | |
| Bath and North East Somerset Council | Other | 1 | £0k | 0.0% | |
| Scape Procure Limited | Other | 1 | £0k | 0.0% | |
| Transport for Wales | Other | 1 | £0k | 0.0% | |
| THE CHANCELLOR MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE | Other | 3 | £0k | 0.0% | |
| Stevenage Borough Council | Other | 2 | £0k | 0.0% | |
| Homes England | Other | 1 | £0k | 0.0% | |
| THAMES WATER UTILITIES LIMITED | Other | 1 | £0k | 0.0% | |
| North Ayrshire Council | Other | 1 | £0k | 0.0% | |
| NCC Operations Limited | Other | 1 | £0k | 0.0% | |