| NHS Arden and Greater East Midlands Commissioning Support Unit | Other | 1 | £149m | 79.6% | 2020-11-20 |
| Crown Commercial Service | Other | 6 | £16m | 8.6% | 2021-03-23 |
| Driver and Vehicle Licensing AgencyNew | Other | 1 | £12m | 6.6% | 2024-12-09 |
| Department for Work & Pensions | Other | 3 | £3m | 1.7% | 2026-03-05 |
| DVLA | Other | 1 | £3m | 1.7% | 2019-10-30 |
| Ministry of Defence | Other | 1 | £400k | 0.2% | 2023-04-04 |
| Ministry of Justice | Other | 1 | £360k | 0.2% | 2019-09-06 |
| Home Office | Other | 2 | £315k | 0.2% | 2022-09-26 |
| 7 Forces Commercial Services | Other | 1 | £301k | 0.2% | 2022-09-12 |
| DEFRA | Other | 1 | £250k | 0.1% | 2023-02-20 |
| Hampshire County Council | Other | 2 | £242k | 0.1% | 2024-01-16 |
| Staffordshire Police | Other | 1 | £210k | 0.1% | 2018-01-04 |
| Yorkshire & Humber Police Procurement | Other | 1 | £150k | 0.1% | 2022-11-01 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 2 | £127k | 0.1% | 2025-02-24 |
| Derbyshire County Council | Other | 1 | £110k | 0.1% | 2024-05-23 |
| UNIVERSITY OF EAST ANGLIANew | Other | 1 | £102k | 0.1% | 2026-03-22 |
| Kent Fire & Rescue Service | Other | 1 | £72k | 0.0% | 2023-06-08 |
| CTM Portal for the NDA Shared Services Alliance | Other | 1 | £72k | 0.0% | 2020-05-01 |
| London Ambulance Service NHS Trust | Other | 1 | £63k | 0.0% | 2020-06-01 |
| LONDON & QUADRANT HOUSING TRUST | Other | 1 | £60k | 0.0% | 2024-03-25 |
| Department for Business & TradeNew | Other | 1 | £48k | 0.0% | 2025-12-16 |
| Leicestershire PoliceNew | Other | 1 | £48k | 0.0% | 2025-07-22 |
| HM Treasury | Other | 1 | £45k | 0.0% | 2024-05-01 |
| ICS on behalf of DSIT and DESNZNew | Other | 1 | £40k | 0.0% | 2024-12-09 |
| HM Land Registry | Other | 1 | £40k | 0.0% | 2022-01-31 |
| Hertfordshire Constabulary Headquarters | Other | 1 | £36k | 0.0% | 2016-07-08 |
| NHS Business Services Authority | Other | 1 | £35k | 0.0% | 2022-11-01 |
| Medicines and Healthcare Products Regulatory Agency | Other | 1 | £34k | 0.0% | 2023-11-14 |
| Bournemouth Christchurch and Poole CouncilNew | Other | 1 | £30k | 0.0% | 2025-03-14 |
| Essex County CouncilNew | Other | 1 | £30k | 0.0% | 2024-06-03 |
| Mid and South Essex NHS Foundation TrustNew | Other | 1 | £29k | 0.0% | 2026-05-05 |
| Department of Health & Social Care | Other | 1 | £22k | 0.0% | 2023-09-20 |
| Nottingham City Council | Other | 1 | £20k | 0.0% | 2022-09-05 |
| Ofsted | Other | 1 | £19k | 0.0% | 2024-02-29 |
| Telford & Wrekin CouncilNew | Other | 1 | £9k | 0.0% | 2024-10-22 |
| BRITISH COUNCIL(THE) | Other | 1 | £7k | 0.0% | 2024-05-20 |
| Food Standards AgencyNew | Other | 1 | £5k | 0.0% | 2024-08-21 |
| Devon County Council | Other | 1 | £2k | 0.0% | 2017-01-05 |
| The Police, Fire and Crime Commissioner for Northamptonshire | Other | 1 | £0k | 0.0% | |
| NHS Sussex Integrated Care Board (ICB) | Other | 2 | £0k | 0.0% | |
| NHS GLOUCESTERSHIRE INTEGRATED CARE BOARD | Other | 1 | £0k | 0.0% | |
| Leicestershire County Council | Other | 2 | £0k | 0.0% | |
| NHS DEVON INTEGRATED CARE BOARD | Other | 1 | £0k | 0.0% | |
| NHS Birmingham and Solihull Integrated Care Board | Other | 1 | £0k | 0.0% | |
| NHS South Yorkshire Integrated Care Board | Other | 1 | £0k | 0.0% | |
| NHS LINCOLNSHIRE INTEGRATED CARE BOARD | Other | 2 | £0k | 0.0% | |
| North East and North Cumbria Integrated Care Board | Other | 1 | £0k | 0.0% | |
| NHS North East North Cumbria Integrated Care Board - Tees Valley Place | Other | 1 | £0k | 0.0% | |
| NHS North West London Integrated Care Board | Other | 1 | £0k | 0.0% | |
| NHS CENTRAL EAST INTEGRATED CARE BOARD | Other | 1 | £0k | 0.0% | |
| NHS Staffordshire and Stoke-on-Trent Integrated Care Board | Other | 4 | £0k | 0.0% | |
| NHS NORTH CENTRAL LONDON INTEGRATED CARE BOARD | Other | 4 | £0k | 0.0% | |
| NHS Coventry and Warwickshire Integrated Care Board | Other | 1 | £0k | 0.0% | |
| NHS Frimley ICB | Other | 1 | £0k | 0.0% | |
| NHS West Yorkshire Integrated Care Board | Other | 1 | £0k | 0.0% | |
| NHS South Tyneside CCG | Other | 2 | £0k | 0.0% | |
| Department for Transport | Other | 1 | £0k | 0.0% | |
| NHS CHESHIRE AND MERSEYSIDE INTEGRATED CARE BOARD | Other | 4 | £0k | 0.0% | |
| MERSEY CARE NHS FOUNDATION TRUST | Other | 1 | £0k | 0.0% | |
| The National Health Service Commissioning Board (which uses the operational name“NHSEngland”) | Other | 1 | £0k | 0.0% | |
| The Minister for the Cabinet Office acting through Crown Commercial Service | Other | 1 | £0k | 0.0% | |