| Leicestershire County Council, trading as ESPONew | Other | 6 | £194m | 64.7% | 2026-03-12 |
| The Association of North East Councils LimitedNew | Other | 2 | £66m | 22.0% | 2026-04-09 |
| NHS Supply Chain | Other | 9 | £9m | 3.0% | 2024-12-03 |
| the Education AuthorityNew | Other | 3 | £8m | 2.7% | 2026-02-18 |
| SUPPLY CHAIN COORDINATION LIMITEDNew | Other | 2 | £6m | 1.9% | 2025-02-25 |
| North of England Commercial Procurement Collaborative (NOE CPC) | Other | 2 | £5m | 1.7% | 2021-03-25 |
| The University Caterers Organisation Ltd (TUCO Ltd) | Other | 5 | £3m | 0.9% | 2019-12-13 |
| LEIDOS SUPPLY, LIMITED | Other | 1 | £2m | 0.8% | 2018-03-09 |
| LONDON BOROUGH OF HAVERING | Other | 1 | £1m | 0.4% | 2021-07-05 |
| NORTH WESTERN UNIVERSITIES PURCHASING CONSORTIUM LIMITED | Other | 1 | £1m | 0.4% | 2020-03-20 |
| Leeds City Council | Other | 5 | £937k | 0.3% | 2025-12-01 |
| NEUPC Ltd | Other | 1 | £762k | 0.3% | 2019-07-02 |
| NHS Wales Shared Services Partnership (hosted by Velindre University NHS Trust)New | Other | 2 | £419k | 0.1% | 2025-12-17 |
| Ministry of Justice | Other | 2 | £179k | 0.1% | 2020-09-15 |
| NEPO | Other | 1 | £175k | 0.1% | 2017-01-24 |
| NORTH TYNESIDE COUNCIL | Other | 2 | £166k | 0.1% | 2023-03-02 |
| Parliament UK | Other | 1 | £161k | 0.1% | 2017-08-02 |
| United Lincolnshire NHS Trust | Other | 2 | £151k | 0.1% | 2024-03-29 |
| Blackpool Council | Other | 2 | £150k | 0.0% | 2024-06-13 |
| Rochdale Metropolitan Borough Council | Other | 1 | £150k | 0.0% | 2021-03-22 |
| Uclan Innovation & Enterprise | Other | 1 | £150k | 0.0% | 2018-12-18 |
| Newcastle City Council | Other | 2 | £140k | 0.0% | 2025-02-04 |
| Leicester City CouncilNew | Other | 1 | £125k | 0.0% | 2024-09-02 |
| Oxford City Council | Other | 1 | £120k | 0.0% | 2019-07-19 |
| University of Bath | Other | 1 | £114k | 0.0% | 2017-03-29 |
| Essex County CouncilNew | Other | 1 | £102k | 0.0% | 2025-08-01 |
| Luke Sheldon | Other | 1 | £89k | 0.0% | 2023-11-28 |
| YPONew | Other | 5 | £77k | 0.0% | 2024-07-22 |
| Milton Keynes University Hospital NHS Foundation Trust C/O Pelican Procurement Services | Other | 1 | £70k | 0.0% | 2019-04-09 |
| East and North Hertfordshire Teaching NHS TrustNew | Other | 2 | £61k | 0.0% | 2026-03-30 |
| WIRRAL UNIVERSITY TEACHING HOSPITAL NHS FOUNDATION TRUST | Other | 1 | £39k | 0.0% | 2022-01-06 |
| Simply Serve Ltd C/O Pelican Procurement Services | Other | 1 | £23k | 0.0% | 2019-05-09 |
| Braintree District Council | Other | 2 | £15k | 0.0% | 2024-02-01 |
| CRESCENT PURCHASING LIMITED | Other | 1 | £4k | 0.0% | 2020-06-24 |
| The City of Liverpool CollegeNew | Other | 2 | £2k | 0.0% | 2025-06-26 |
| North Western Universities Purchasing Consortium | Other | 2 | £0k | 0.0% | 2024-05-01 |
| Hertfordshire County Council - ResourcesNew | Other | 1 | £0k | 0.0% | 2025-07-22 |
| NOE CPC | Other | 1 | £0k | 0.0% | 2016-12-20 |
| NHS Supply Chain operated by North of England Commercial Procurement Collaborative (who are hosted by Leeds and York Partnership NHS Foundation Trust) acting on behalf of Supply Chain Coordination Ltd | Other | 13 | £0k | 0.0% | |
| The University Caterers Organisation Limited (TUCO Ltd) | Other | 5 | £0k | 0.0% | |
| TFW | Other | 1 | £0k | 0.0% | |
| East Riding of Yorkshire | Other | 2 | £0k | 0.0% | |
| Hertfordshire County Council | Other | 6 | £0k | 0.0% | |
| Scotland Excel | Other | 5 | £0k | 0.0% | |
| The Common Services Agency (more commonly known as NHS National Services Scotland) (NSS) | Other | 2 | £0k | 0.0% | |
| United Lincolnshire Hospitals NHS Trust | Other | 1 | £0k | 0.0% | |
| EFFICIENCY EAST MIDLANDS LIMITED | Other | 1 | £0k | 0.0% | |
| Manchester City Council | Other | 1 | £0k | 0.0% | |
| Pelican Procurement | Other | 1 | £0k | 0.0% | |
| Dukefield FoodService | Other | 1 | £0k | 0.0% | |
| Fife Council | Other | 1 | £0k | 0.0% | |