| NHS Shared Business Services Ltd (NHS SBS) | Other | 1 | £18m | 52.7% | 2020-08-10 |
| University of Hertfordshire | Other | 1 | £2m | 5.9% | 2018-05-20 |
| University Of The West Of England | Other | 17 | £2m | 5.0% | 2025-04-30 |
| University of Sunderland | Other | 2 | £1m | 3.6% | 2025-06-30 |
| University of PortsmouthNew | Other | 1 | £1m | 3.2% | 2025-02-01 |
| Coventry University | Other | 2 | £1m | 3.1% | 2023-12-21 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 9 | £1m | 3.0% | 2026-03-26 |
| Kent Community Health NHS Foundation Trust | Other | 3 | £919k | 2.7% | 2025-07-01 |
| Ministry of Justice | Other | 2 | £805k | 2.4% | 2023-04-30 |
| University of York | Other | 1 | £800k | 2.4% | 2020-01-08 |
| UNIVERSITY OF SOUTHAMPTON | Other | 3 | £745k | 2.2% | 2024-07-15 |
| South of England Procurement Centre | Other | 1 | £618k | 1.8% | 2023-01-31 |
| Peabody TrustNew | Other | 1 | £559k | 1.7% | 2025-06-10 |
| Board of Trustees of the Royal Botanic Gardens Kew | Other | 4 | £317k | 0.9% | 2024-10-29 |
| UNIVERSITY OF DERBY | Other | 5 | £278k | 0.8% | 2024-10-02 |
| BIRKBECK COLLEGE | Other | 1 | £237k | 0.7% | 2021-02-24 |
| Partners Procurement Service (PPS)New | Other | 2 | £232k | 0.7% | 2025-05-29 |
| Warwickshire County CouncilNew | Other | 3 | £206k | 0.6% | 2026-01-20 |
| JISC | Other | 4 | £200k | 0.6% | 2021-02-26 |
| Westminster City CouncilNew | Other | 3 | £190k | 0.6% | 2025-01-22 |
| Ashford Borough CouncilNew | Other | 1 | £170k | 0.5% | 2025-12-03 |
| Royal Holloway University London | Other | 1 | £153k | 0.5% | 2022-06-05 |
| Anglia Ruskin University | Other | 2 | £152k | 0.4% | 2019-09-06 |
| Bishop Grosseteste University | Other | 1 | £125k | 0.4% | 2022-01-04 |
| London Borough of Hackney | Other | 2 | £106k | 0.3% | 2024-10-02 |
| Southampton Solent University | Other | 1 | £100k | 0.3% | 2022-04-01 |
| London Borough of Hammersmith & FulhamNew | Other | 1 | £99k | 0.3% | 2025-11-19 |
| Barnsley Metropolitan Borough Council | Other | 1 | £99k | 0.3% | 2018-02-13 |
| Tonbridge and Malling Borough Council | Other | 2 | £87k | 0.3% | 2026-04-29 |
| Office for Students | Other | 1 | £83k | 0.2% | 2023-04-14 |
| Business Energy and Industrial Strategy | Other | 1 | £78k | 0.2% | 2022-11-27 |
| Stockton Riverside College | Other | 1 | £78k | 0.2% | 2018-06-20 |
| Department for Business, Energy & Industrial Strategy | Other | 1 | £78k | 0.2% | 2022-12-19 |
| HISTORIC ENGLAND LIMITED | Other | 1 | £75k | 0.2% | 2022-11-21 |
| The University of Nottingham | Other | 1 | £66k | 0.2% | 2017-02-13 |
| Restoration & Renewal Delivery Authority Ltd | Other | 1 | £64k | 0.2% | 2023-12-15 |
| Canterbury City Council | Other | 1 | £57k | 0.2% | 2019-12-17 |
| Hart District Council | Other | 1 | £47k | 0.1% | 2021-05-30 |
| N E L Commissioning Support Unit NHSE | Other | 1 | £47k | 0.1% | 2021-03-23 |
| Medicines & Healthcare Products Regulatory Agency | Other | 1 | £27k | 0.1% | 2021-03-25 |
| NEWCASTLE COLLEGE GROUP | Other | 1 | £27k | 0.1% | 2023-08-21 |
| Star Procurement | Other | 2 | £16k | 0.0% | 2015-05-01 |
| Hampshire County Council | Other | 1 | £16k | 0.0% | 2021-04-23 |
| Heart of Worcestershire CollegeNew | Other | 1 | £0k | 0.0% | 2026-05-08 |
| UNIVERSITY OF EAST ANGLIANew | Other | 1 | £0k | 0.0% | 2025-04-11 |
| Sheffield Hallam University | Other | 1 | £0k | 0.0% | |
| Wi-Fi Services - Historic England/English Heritage | Other | 1 | £0k | 0.0% | |
| NHS Wales Shared Services Partnership (hosted by Velindre University NHS Trust) | Other | 1 | £0k | 0.0% | |
| NHS SHARED BUSINESS SERVICES LIMITED | Other | 1 | £0k | 0.0% | |
| UK Research and Innovation | Other | 1 | £0k | 0.0% | |
| LONDON METROPOLITAN UNIVERSITY | Other | 1 | £0k | 0.0% | |
| Bath Spa University | Other | 1 | £0k | 0.0% | |
| MEDWAY NHS FOUNDATION TRUST | Other | 1 | £0k | 0.0% | |