| Devon & Somerset Fire & Rescue AuthorityNew | Other | 14 | £116m | 39.0% | 2025-12-05 |
| Department of Health and Social Care (DHSC) | Other | 1 | £87m | 29.3% | 2020-07-13 |
| NHS Supply Chain | Other | 1 | £65m | 21.8% | 2021-11-24 |
| Devon and Somerset Fire and Rescue Authority | Other | 1 | £8m | 2.6% | 2021-02-25 |
| BLUELIGHT COMMERCIAL LIMITEDNew | Other | 1 | £7m | 2.4% | 2026-04-07 |
| Hampshire County Council | Other | 2 | £4m | 1.4% | 2025-09-14 |
| Norfolk Constabulary and Suffolk Constabulary Procurement Unit | Other | 1 | £2m | 0.8% | 2018-02-07 |
| West Midlands Fire and Rescue Authority | Other | 3 | £2m | 0.7% | 2021-06-22 |
| YPONew | Other | 3 | £2m | 0.6% | 2024-08-05 |
| Metropolitan Police Service | Other | 4 | £1m | 0.4% | 2024-09-18 |
| Suffolk Sourcing | Other | 1 | £784k | 0.3% | 2019-11-27 |
| Yorkshire Purchasing Organisation | Other | 1 | £638k | 0.2% | 2020-12-17 |
| West Midlands Ambulance Service NHS Foundation Trust | Other | 1 | £500k | 0.2% | 2017-12-18 |
| West Yorkshire Fire and Rescue Authority | Other | 1 | £409k | 0.1% | 2023-07-03 |
| West Midlands Fire Service | Other | 3 | £227k | 0.1% | 2022-01-20 |
| Warwickshire County Council | Other | 1 | £100k | 0.0% | 2021-03-23 |
| London Ambulance Service NHS Trust | Other | 3 | £90k | 0.0% | 2026-03-16 |
| EMSCU Nottinghamshire Police | Other | 1 | £77k | 0.0% | 2016-11-02 |
| Maritime & Coastguard Agency | Other | 1 | £76k | 0.0% | 2018-02-14 |
| Cheshire Fire AuthorityNew | Other | 1 | £70k | 0.0% | 2025-02-18 |
| North Yorkshire Fire & Rescue Service | Other | 1 | £66k | 0.0% | 2023-06-16 |
| Thames Valley PoliceNew | Other | 1 | £50k | 0.0% | 2025-05-21 |
| Merseyside Fire and Rescue AuthorityNew | Other | 1 | £50k | 0.0% | 2025-02-28 |
| MEDICINES DISCOVERY CATAPULT | Other | 1 | £50k | 0.0% | 2021-03-23 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 3 | £49k | 0.0% | 2025-02-17 |
| Lancashire Constabulary | Other | 1 | £49k | 0.0% | 2021-09-03 |
| Hampshire Constabulary | Other | 1 | £46k | 0.0% | 2023-04-01 |
| North Warwickshire and South Leicestershire CollegeNew | Other | 1 | £35k | 0.0% | 2024-10-25 |
| Gloucestershire County Council | Other | 1 | £35k | 0.0% | 2023-09-01 |
| Dorset & Wiltshire Fire and Rescue Service | Other | 1 | £26k | 0.0% | 2021-07-18 |
| South Western Ambulance Service NHS Foundation Trust | Other | 1 | £26k | 0.0% | 2024-05-16 |
| Warwickshire Police | Other | 1 | £25k | 0.0% | 2021-11-03 |
| Health & Safety Executive | Other | 1 | £13k | 0.0% | 2023-12-04 |
| HULL ROYAL INFIRMARY | Other | 1 | £9k | 0.0% | 2021-02-17 |
| Devon & Somerset Fire & Rescue Service | Other | 1 | £0k | 0.0% | 2017-01-14 |
| Avon Fire AuthorityNew | Other | 2 | £0k | 0.0% | 2026-01-26 |
| UNIVERSITY OF MANCHESTER | Other | 1 | £0k | 0.0% | 2018-06-25 |
| Merseyside Fire Authority | Other | 1 | £0k | 0.0% | |
| UNITED UTILITIES WATER LIMITED | Other | 2 | £0k | 0.0% | |
| The Newcastle Upon Tyne Hospitals NHS Foundation Trust | Other | 1 | £0k | 0.0% | |
| Northern Ireland Fire and Rescure Service | Other | 2 | £0k | 0.0% | |
| MID AND WEST WALES FIRE AND RESCUE SERVICE | Other | 1 | £0k | 0.0% | |
| Northern Ireland Fire and Rescue Service | Other | 1 | £0k | 0.0% | |
| Northumberland County Council | Other | 1 | £0k | 0.0% | |
| Scottish Government | Other | 2 | £0k | 0.0% | |
| The Chief Constable of Thames Valley Police | Other | 1 | £0k | 0.0% | |
| COLLABORATIVE PROCUREMENT PARTNERSHIP LLP | Other | 1 | £0k | 0.0% | |
| Norfolk County Council | Other | 1 | £0k | 0.0% | |
| SCOTIA GAS NETWORKS LIMITED | Other | 1 | £0k | 0.0% | |
| London Fire Commissioner | Other | 1 | £0k | 0.0% | |
| Cumbria Commissioner Fire and Rescue Authority | Other | 1 | £0k | 0.0% | |