| NHS SHARED BUSINESS SERVICES LIMITEDNew | Other | 9 | £1.0bn | 96.0% | 2025-11-11 |
| N H S Shared Business Services | Other | 1 | £10m | 1.0% | 2023-12-13 |
| NHS Shared Business Services Ltd (NHS SBS) | Other | 1 | £8m | 0.7% | 2021-10-14 |
| North Yorkshire County CouncilNew | Other | 2 | £8m | 0.7% | 2025-10-08 |
| EU SUPPLY LIMITEDNew | Other | 1 | £3m | 0.2% | 2024-08-14 |
| Westmorland and Furness CouncilNew | Other | 1 | £1m | 0.1% | 2025-11-03 |
| Cumberland CouncilNew | Other | 1 | £1m | 0.1% | 2025-11-18 |
| Worthing Borough CouncilNew | Other | 1 | £697k | 0.1% | 2026-04-01 |
| Torus62 LimitedNew | Other | 1 | £621k | 0.1% | 2025-11-17 |
| Stroud District CouncilNew | Other | 1 | £604k | 0.1% | 2025-12-19 |
| City of Bradford Metropolitan District CouncilNew | Other | 3 | £531k | 0.1% | 2026-03-09 |
| Ashfield District Council | Other | 1 | £521k | 0.0% | 2023-12-04 |
| The Rotherham NHS Foundation Trust | Other | 6 | £502k | 0.0% | 2025-03-05 |
| East Hampshire District Council | Other | 1 | £492k | 0.0% | 2023-07-01 |
| Luton CouncilNew | Other | 1 | £475k | 0.0% | 2026-02-23 |
| Stockton on Tees Borough CouncilNew | Other | 1 | £437k | 0.0% | 2025-02-24 |
| County Durham and Darlington NHS Foundation Trust | Other | 2 | £388k | 0.0% | 2026-01-22 |
| NORTHERN LINCOLNSHIRE AND GOOLE NHS FOUNDATION TRUST CHARITABLE FUNDS AND OTHER RELATED CHARITIESNew | Other | 1 | £381k | 0.0% | 2025-03-19 |
| South Hams District Council | Other | 1 | £378k | 0.0% | 2024-03-01 |
| East and North Hertfordshire NHS Trust | Other | 2 | £376k | 0.0% | 2026-03-31 |
| MCA - Maritime and Coastguard Agency | Other | 2 | £367k | 0.0% | 2021-05-31 |
| Hull University Teaching Hospitals NHS TrustNew | Other | 1 | £366k | 0.0% | 2025-03-19 |
| Staffordshire County CouncilNew | Other | 1 | £306k | 0.0% | 2025-02-10 |
| SOMERSET NHS FOUNDATION TRUSTNew | Other | 1 | £295k | 0.0% | 2024-12-12 |
| Kirklees Council | Other | 1 | £285k | 0.0% | 2024-05-15 |
| University Hospitals Birmingham NHS Foundation Trust | Other | 2 | £282k | 0.0% | 2025-07-07 |
| Blackburn With Darwen Borough CouncilNew | Other | 1 | £233k | 0.0% | 2025-02-03 |
| North Tees and Hartlepool NHS Foundation Trust | Other | 1 | £229k | 0.0% | 2022-06-15 |
| Staffordshire Police | Other | 1 | £210k | 0.0% | 2021-11-25 |
| Hertfordshire NHS Procurement | Other | 1 | £200k | 0.0% | 2020-10-19 |
| NOTTINGHAMSHIRE POLICENew | Other | 1 | £196k | 0.0% | 2024-12-03 |
| United Lincolnshire Hospitals NHS Trust | Other | 2 | £172k | 0.0% | 2023-03-31 |
| Yorkshire and the Humber Procurement | Other | 1 | £172k | 0.0% | 2024-03-21 |
| Newcastle City Council | Other | 1 | £166k | 0.0% | 2023-10-25 |
| United Lincolnshire Teaching Hospitals NHS TrustNew | Other | 1 | £149k | 0.0% | 2025-03-24 |
| TOGETHER HOUSING GROUP LIMITED | Other | 1 | £148k | 0.0% | 2022-06-28 |
| West Hertfordshire Teaching Hospitals NHS TrustNew | Other | 1 | £139k | 0.0% | 2025-04-01 |
| West Suffolk NHS Foundation Trust | Other | 3 | £124k | 0.0% | 2026-01-09 |
| Partners Procurement Service (PPS)New | Other | 2 | £116k | 0.0% | 2025-12-10 |
| Torus62 LimitdNew | Other | 1 | £112k | 0.0% | 2025-02-01 |
| Leicestershire Police | Other | 3 | £102k | 0.0% | 2024-12-02 |
| South Tees Hospitals NHS Foundation Trust | Other | 1 | £80k | 0.0% | 2024-02-01 |
| South Yorkshire Police and Crime Commissioner | Other | 1 | £74k | 0.0% | 2023-03-23 |
| Your Homes Newcastle Ltd | Other | 2 | £69k | 0.0% | 2023-09-30 |
| Leeds City Council | Other | 1 | £61k | 0.0% | 2022-05-23 |
| The Police, Fire and Crime Commissioner for NorthamptonshireNew | Other | 1 | £57k | 0.0% | 2025-10-13 |
| The Shrewsbury and Telford Hospital NHS TrustNew | Other | 1 | £53k | 0.0% | 2024-05-27 |
| 7 Forces Procurement | Other | 1 | £51k | 0.0% | 2021-09-28 |
| Worcestershire Acute Hospitals NHS TrustNew | Other | 1 | £48k | 0.0% | 2024-07-17 |
| Northampton General Hospital | Other | 1 | £40k | 0.0% | 2023-04-04 |
| Derbyshire Support and Facilities Services | Other | 1 | £38k | 0.0% | 2023-07-31 |
| York and North Yorkshire Combined Authority acting on behalf of itself and the Chief Constable of North Yorkshire PoliceNew | Other | 1 | £36k | 0.0% | 2025-07-28 |
| Partners Procurement Service | Other | 1 | £30k | 0.0% | 2021-04-09 |
| Nottinghamshire County CouncilNew | Other | 1 | £29k | 0.0% | 2025-09-25 |
| DERBYSHIRE COMMUNITY HEALTH SERVICES NHS FOUNDATION TRUSTNew | Other | 1 | £28k | 0.0% | 2025-03-24 |
| MHRA | Other | 1 | £28k | 0.0% | 2022-11-14 |
| Calderdale and Huddersfield NHS Foundation Trust | Other | 1 | £4k | 0.0% | 2022-09-14 |
| Lancashire County CouncilNew | Other | 2 | £0k | 0.0% | 2025-08-06 |
| Tamworth Borough CouncilNew | Other | 1 | £0k | 0.0% | 2025-03-25 |
| Cardiff and Vale University Health Board | Other | 1 | £0k | 0.0% | |
| Sheffield Hallam University | Other | 1 | £0k | 0.0% | |
| The Police and Crime Commissioner for Cambridgeshire | Other | 1 | £0k | 0.0% | |
| NHS Shared Business Services | Other | 5 | £0k | 0.0% | |
| Northumbria Healthcare Facilities Management Limited | Other | 1 | £0k | 0.0% | |
| Royal Borough of Kensington and Chelsea | Other | 1 | £0k | 0.0% | |
| Surrey and Borders Partnership NHS Foundation Trust on behalf of NHS Commercial Solutions | Other | 10 | £0k | 0.0% | |
| Stockport Metropolitan Borough Council | Other | 1 | £0k | 0.0% | |
| Beyond Housing Limited | Other | 1 | £0k | 0.0% | |
| Dover District Council | Other | 1 | £0k | 0.0% | |
| Guy's and St Thomas' NHS Foundation Trust | Other | 1 | £0k | 0.0% | |
| Procurement for Housing | Other | 1 | £0k | 0.0% | |
| NHS Commercial Solutions | Other | 1 | £0k | 0.0% | |
| Cheltenham Borough Council | Other | 1 | £0k | 0.0% | |
| South Yorkshire Mayoral Combined Authority | Other | 1 | £0k | 0.0% | |