| NHS Supply Chain | Other | 4 | £170m | 48.8% | 2021-12-07 |
| Crown Commercial Service | Other | 1 | £80m | 23.0% | 2019-04-19 |
| Department of Health & Social Care | Other | 3 | £14m | 4.1% | 2020-05-25 |
| YPO | Other | 25 | £10m | 3.0% | 2024-11-08 |
| EFFICIENCY EAST MIDLANDS LIMITED | Other | 4 | £10m | 2.9% | 2020-05-07 |
| Devon and Somerset Fire and Rescue Authority | Other | 1 | £8m | 2.2% | 2021-02-25 |
| Hull City Council | Other | 1 | £7m | 1.9% | 2018-02-28 |
| Ministry of Justice | Other | 4 | £6m | 1.8% | 2023-12-28 |
| Atomic Weapons Establishment | Other | 2 | £6m | 1.7% | 2024-01-02 |
| Devon & Somerset Fire & Rescue AuthorityNew | Other | 2 | £5m | 1.4% | 2025-12-05 |
| Environment Agency, APHA, MMO, NE, RPA | Other | 1 | £4m | 1.1% | 2023-02-01 |
| Espo | Other | 15 | £4m | 1.0% | 2024-06-03 |
| Environment AgencyNew | Other | 1 | £4m | 1.0% | 2025-03-27 |
| DEFRA | Other | 2 | £3m | 0.8% | 2017-04-28 |
| Leeds City Council | Other | 5 | £2m | 0.7% | 2024-04-04 |
| Food Standards Agency | Other | 2 | £2m | 0.6% | 2025-09-10 |
| Loughborough UniversityNew | Other | 2 | £1m | 0.3% | 2025-12-09 |
| NHS Property Services Limited | Other | 1 | £1m | 0.3% | 2023-06-01 |
| Ministry of Defence | Other | 1 | £881k | 0.3% | 2018-12-18 |
| Lancashire County Council | Other | 3 | £841k | 0.2% | 2023-09-04 |
| Yorkshire Purchasing Organisation | Other | 7 | £768k | 0.2% | 2020-12-17 |
| HM Revenue & Customs | Other | 2 | £744k | 0.2% | 2022-10-17 |
| Greater Manchester Combined Authority - GMP | Other | 1 | £715k | 0.2% | 2020-03-27 |
| Newcastle City Council | Other | 1 | £667k | 0.2% | 2023-07-18 |
| Department for Work & Pensions | Other | 2 | £650k | 0.2% | 2014-11-14 |
| Procurement for Housing | Other | 1 | £500k | 0.1% | 2018-02-23 |
| Cumbria County Council | Other | 3 | £458k | 0.1% | 2019-10-24 |
| NEWCASTLE COLLEGE GROUP | Other | 1 | £400k | 0.1% | 2023-07-31 |
| NCG Corporation | Other | 1 | £400k | 0.1% | 2019-04-24 |
| Derbyshire County Council | Other | 2 | £343k | 0.1% | 2022-02-22 |
| Sheffield City Council | Other | 1 | £327k | 0.1% | 2017-01-31 |
| Health & Safety Executive | Other | 1 | £300k | 0.1% | 2022-10-20 |
| CRESCENT PURCHASING LIMITED | Other | 4 | £299k | 0.1% | 2024-05-07 |
| MIDLAND HEART LIMITEDNew | Other | 1 | £280k | 0.1% | 2026-03-31 |
| ASTON UNIVERSITYNew | Other | 1 | £240k | 0.1% | 2024-11-25 |
| Plymouth City Council | Other | 1 | £210k | 0.1% | 2017-07-14 |
| Cheshire West and Chester Council | Other | 2 | £200k | 0.1% | 2024-12-01 |
| CHESHIRE EAST COUNCIL | Other | 1 | £200k | 0.1% | 2017-03-21 |
| Borough Of Poole | Other | 1 | £177k | 0.1% | 2018-07-26 |
| Charnwood Borough Council | Other | 2 | £172k | 0.0% | 2020-09-14 |
| Supply Hertfordshire | Other | 1 | £165k | 0.0% | 2020-06-29 |
| Stoke-on-Trent City Council | Other | 1 | £164k | 0.0% | 2018-11-06 |
| Karbon HomesNew | Other | 1 | £150k | 0.0% | 2025-06-09 |
| Parliament UK | Other | 1 | £150k | 0.0% | 2017-10-17 |
| Tyne And Wear Fire And Rescue Service | Other | 1 | £144k | 0.0% | 2017-02-06 |
| Medicines & Healthcare Products Regulatory Agency | Other | 1 | £100k | 0.0% | 2020-09-24 |
| Hampshire County Council | Other | 2 | £91k | 0.0% | 2019-05-31 |
| Lancashire Fire & Rescue Service | Other | 1 | £88k | 0.0% | 2018-07-04 |
| East Riding of Yorkshire | Other | 2 | £85k | 0.0% | 2020-05-22 |
| West Midlands Ambulance Service NHS Foundation Trust | Other | 1 | £83k | 0.0% | 2017-12-12 |
| High Speed Two (HS2) Limited | Other | 1 | £80k | 0.0% | 2016-03-16 |
| CENTRE FOR PROCESS INNOVATION LIMITED | Other | 1 | £75k | 0.0% | 2020-03-03 |
| Offshore Renewable Energy Catapult | Other | 1 | £75k | 0.0% | 2018-08-08 |
| The Riverside Group | Other | 1 | £66k | 0.0% | 2020-07-17 |
| Hampshire Constabulary | Other | 1 | £62k | 0.0% | 2023-04-01 |
| City of Bradford Metropolitan District Council | Other | 2 | £50k | 0.0% | 2021-06-29 |
| Department for Environment Food & Rural Affairs | Other | 1 | £45k | 0.0% | 2016-01-08 |
| North Lincolnshire Council | Other | 1 | £44k | 0.0% | 2020-04-01 |
| Dartford Borough Council | Other | 1 | £40k | 0.0% | 2024-03-31 |
| Chorley Council | Other | 1 | £26k | 0.0% | 2016-10-17 |
| North of England Commercial Procurement Collaborative (NOE CPC) | Other | 1 | £25k | 0.0% | 2016-02-01 |
| RESTORATION AND RENEWAL DELIVERY AUTHORITY LTD | Other | 1 | £24k | 0.0% | 2022-06-06 |
| Northern Lighthouse Board | Other | 1 | £13k | 0.0% | 2016-03-16 |
| Thanet District Council | Other | 1 | £7k | 0.0% | 2016-02-05 |
| North West Ambulance Service N H S Trust | Other | 1 | £0k | 0.0% | 2020-03-10 |
| SUPPLY CHAIN COORDINATION LIMITEDNew | Other | 6 | £0k | 0.0% | 2025-11-26 |
| County Durham Housing Group | Other | 1 | £0k | 0.0% | 2017-08-07 |
| Richmondshire District Council | Other | 1 | £0k | 0.0% | 2017-06-16 |
| Kingstown Works Ltd | Other | 1 | £0k | 0.0% | 2017-03-30 |
| NOE CPC | Other | 1 | £0k | 0.0% | 2016-12-20 |
| SE Shared Services | Other | 1 | £0k | 0.0% | 2016-09-19 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 1 | £0k | 0.0% | 2016-06-24 |
| Valuation Office Agency | Other | 1 | £0k | 0.0% | 2016-03-10 |
| ORDNANCE SURVEY LIMITED | Other | 1 | £0k | 0.0% | |
| City & County of Swansea | Other | 2 | £0k | 0.0% | |
| South Ayrshire Council | Other | 1 | £0k | 0.0% | |
| NI Water and its subsidiaries | Other | 1 | £0k | 0.0% | |
| Scotland Excel | Other | 10 | £0k | 0.0% | |
| NHS Supply Chain - Hotel Services is operated by North of England Commercial Procurement Collaborative ('NOE CPC') (who are hosted by Leeds and York Partnership NHS Foundation Trust) is acting on behalf of Supply Chain Coordination Ltd | Other | 1 | £0k | 0.0% | |
| COLLABORATIVE PROCUREMENT PARTNERSHIP LLP | Other | 2 | £0k | 0.0% | |
| Fife Council | Other | 1 | £0k | 0.0% | |
| Nottinghamshire and City of Nottingham Fire Authority | Other | 1 | £0k | 0.0% | |
| Southern Water Services Ltd. | Other | 1 | £0k | 0.0% | |
| Belfast City Council | Other | 1 | £0k | 0.0% | |
| Leeds City Council - PACS | Other | 2 | £0k | 0.0% | |
| Food Standards Scotland (FSS) | Other | 1 | £0k | 0.0% | |
| BELFAST HEALTH AND SOCIAL CARE TRUST | Other | 1 | £0k | 0.0% | |
| Public Sector | Other | 3 | £0k | 0.0% | |
| Copeland Borough Council | Other | 2 | £0k | 0.0% | |
| The Common Services Agency (more commonly known as NHS National Services Scotland) (NSS) | Other | 1 | £0k | 0.0% | |
| The Minister for the Cabinet Office acting through Crown Commercial Service | Other | 1 | £0k | 0.0% | |
| NHS Blood and Transplant (NHSBT) | Other | 1 | £0k | 0.0% | |
| Gateshead Borough Council | Other | 1 | £0k | 0.0% | |
| Northern Ireland Housing Executive | Other | 2 | £0k | 0.0% | |