| E E M Ltd | Other | 1 | £19m | 32.5% | 2024-01-19 |
| Yorkshire Purchasing Organisation | Other | 1 | £13m | 21.1% | 2018-03-28 |
| NHS Property Services Limited | Other | 1 | £8m | 13.2% | 2023-04-01 |
| Northern Trains LimitedNew | Other | 1 | £6m | 10.1% | 2024-09-24 |
| NHS PSNew | Other | 1 | £5m | 8.5% | 2025-03-31 |
| NHS Property ServicesNew | Other | 1 | £4m | 6.0% | 2025-04-24 |
| Espo | Other | 5 | £3m | 4.5% | 2025-03-17 |
| Thames Valley Police | Other | 1 | £678k | 1.1% | 2023-09-21 |
| Met Office | Other | 1 | £220k | 0.4% | 2021-04-26 |
| West Suffolk Council | Other | 1 | £207k | 0.4% | 2023-08-24 |
| LIFECYCLE MANAGEMENT GROUP LIMITED | Other | 1 | £198k | 0.3% | 2024-03-25 |
| West Midlands Fire Service | Other | 1 | £182k | 0.3% | 2017-06-12 |
| Dorset HealthCare University NHS Foundation Trust | Other | 2 | £150k | 0.3% | 2020-10-20 |
| Prifysgol Bangor / Bangor UniversityNew | Other | 2 | £133k | 0.2% | 2025-10-06 |
| East Kent Hospitals University | Other | 1 | £120k | 0.2% | 2021-12-09 |
| The Police and Crime Commissioner for Derbyshire | Other | 1 | £117k | 0.2% | 2021-03-12 |
| Police and Crime Commissioner for North Wales Police & North Wales Police | Other | 1 | £100k | 0.2% | 2020-05-15 |
| South Western Ambulance Service NHS Foundation Trust | Other | 1 | £90k | 0.2% | 2018-04-16 |
| Southern Health NHS Foundation Trust | Other | 1 | £75k | 0.1% | 2016-03-08 |
| Forestry Commission | Other | 1 | £52k | 0.1% | 2017-06-27 |
| Bedfordshire Fire and Rescue Service | Other | 1 | £42k | 0.1% | 2018-04-04 |
| HOMES & COMMUNITIES AGENCY | Other | 1 | £27k | 0.0% | 2013-07-19 |
| ECL The Care & Wellbeing CompanyNew | Other | 1 | £24k | 0.0% | 2024-06-21 |
| Community Health Partnerships Limited | Other | 1 | £19k | 0.0% | 2018-06-29 |
| West Lancashire Borough Council | Other | 2 | £10k | 0.0% | 2022-11-02 |
| Shropshire Healthcare Procurement Service | Other | 1 | £0k | 0.0% | 2021-12-29 |
| NOE CPC | Other | 1 | £0k | 0.0% | 2019-12-13 |
| Devon Partnership NHS Trust | Other | 2 | £0k | 0.0% | 2018-05-01 |
| Centro | Other | 1 | £0k | 0.0% | 2016-06-07 |
| Summit Learning Trust | Other | 1 | £0k | 0.0% | |
| Police & Crime Commissioner for South Wales | Other | 2 | £0k | 0.0% | |
| Worcestershire Acute Hospitals NHS Trust | Other | 1 | £0k | 0.0% | |
| NHS Wales Shared Services Partnership (hosted by Velindre University NHS Trust) | Other | 3 | £0k | 0.0% | |
| Gentoo Group | Other | 1 | £0k | 0.0% | |
| Scottish Enterprise | Other | 1 | £0k | 0.0% | |
| Central Bedfordshire Council | Other | 1 | £0k | 0.0% | |
| Essex Cares Limited | Other | 1 | £0k | 0.0% | |
| NHS Greater Glasgow and Clyde | Other | 2 | £0k | 0.0% | |
| EFFICIENCY EAST MIDLANDS LIMITED | Other | 2 | £0k | 0.0% | |
| The Chief Constable for Devon and Cornwall Police | Other | 1 | £0k | 0.0% | |