| THE GUINNESS PARTNERSHIP LIMITEDNew | Other | 2 | £90m | 51.2% | 2026-01-29 |
| Central Housing Investment Consortium Limited ("CHIC") | Other | 1 | £57m | 32.5% | 2021-04-03 |
| North of England Commercial Procurement Collaborative | Other | 2 | £11m | 6.0% | 2024-08-02 |
| Fusion21 Members Consortium | Other | 4 | £3m | 1.7% | 2024-07-08 |
| NEUPC Ltd | Other | 1 | £2m | 1.2% | 2021-05-04 |
| The Association of North East Councils Limited | Other | 2 | £2m | 0.9% | 2021-08-10 |
| Sheffield Teaching Hospitals NHS Foundation Trust | Other | 2 | £2m | 0.9% | 2024-05-01 |
| EN Procure Ltd | Other | 3 | £1m | 0.8% | 2020-08-19 |
| Hull University Teaching Hospitals NHS TrustNew | Other | 1 | £1m | 0.7% | 2025-11-18 |
| Barnsley Metropolitan Borough Council | Other | 5 | £715k | 0.4% | 2024-09-02 |
| East Riding of Yorkshire | Other | 1 | £564k | 0.3% | 2020-03-20 |
| Rotherham Metropolitan Borough Council | Other | 1 | £500k | 0.3% | 2023-12-26 |
| Your Homes Newcastle Ltd | Other | 1 | £414k | 0.2% | 2018-07-17 |
| UNIVERSITY OF SHEFFIELD | Other | 1 | £374k | 0.2% | 2018-12-12 |
| Bradford Metropolitan District Council | Other | 1 | £372k | 0.2% | 2021-12-21 |
| Student Loans Company | Other | 1 | £370k | 0.2% | 2019-12-13 |
| BROMFORD FLAGSHIP LIMITEDNew | Other | 1 | £350k | 0.2% | 2025-08-28 |
| NHS Property Services Limited | Other | 3 | £345k | 0.2% | 2023-11-29 |
| National Museums On Merseyside | Other | 1 | £336k | 0.2% | 2018-03-23 |
| Rotherham MBC | Other | 1 | £320k | 0.2% | 2019-10-09 |
| Bradford Teaching Hospitals NHS Foundation Trust | Other | 1 | £318k | 0.2% | 2024-03-06 |
| Progress Housing Group | Other | 2 | £242k | 0.1% | 2022-04-28 |
| NORTH TYNESIDE COUNCIL | Other | 2 | £219k | 0.1% | 2025-08-20 |
| University of Sunderland | Other | 1 | £215k | 0.1% | 2024-03-25 |
| Brighton and Hove City Council | Other | 1 | £208k | 0.1% | 2014-03-15 |
| Efficiency East Midlands Ltd | Other | 1 | £189k | 0.1% | 2017-12-22 |
| Northampton Partnership Homes | Other | 1 | £170k | 0.1% | 2020-09-08 |
| The Christie NHS Foundation Trust | Other | 2 | £140k | 0.1% | 2018-12-04 |
| Royal Armouries | Other | 1 | £138k | 0.1% | 2021-11-24 |
| EMSCU Nottinghamshire Police | Other | 1 | £123k | 0.1% | 2018-06-30 |
| University of York | Other | 1 | £116k | 0.1% | 2019-03-01 |
| South Somerset District Council | Other | 1 | £93k | 0.1% | 2023-01-30 |
| St Leger Homes Doncaster | Other | 1 | £72k | 0.0% | 2018-05-16 |
| ENGIE SERVICES LIMITED | Other | 1 | £71k | 0.0% | 2021-03-23 |
| One Vision Housing | Other | 1 | £66k | 0.0% | 2020-10-09 |
| Yorkshire Purchasing Organisation | Other | 1 | £58k | 0.0% | 2024-05-14 |
| Gedling Borough Council | Other | 1 | £49k | 0.0% | 2022-09-07 |
| Gloucestershire County Council | Other | 1 | £46k | 0.0% | 2019-04-29 |
| Bernicia Group | Other | 2 | £44k | 0.0% | 2025-10-14 |
| Staffordshire County CouncilNew | Other | 1 | £36k | 0.0% | 2024-10-30 |
| Sheffield Children's Hosptial NHS Foundation Trust | Other | 1 | £34k | 0.0% | 2022-11-02 |
| THE UNIVERSITY OF CUMBRIA | Other | 1 | £33k | 0.0% | 2019-10-15 |
| Karbon Homes | Other | 4 | £3k | 0.0% | 2021-04-28 |
| Braintree District Council | Other | 1 | £2k | 0.0% | 2016-11-04 |
| STAR ACADEMIES | Other | 5 | £0k | 0.0% | 2021-04-26 |
| PROCURE PLUS HOLDINGS LIMITEDNew | Other | 2 | £0k | 0.0% | 2026-03-30 |
| Curo Group (Albion) LtdNew | Other | 1 | £0k | 0.0% | 2025-07-07 |
| LEASEGUARD GROUP LIMITED | Other | 1 | £0k | 0.0% | 2016-09-30 |
| Procurement Assist Limited c/o Integrated Facilities Management Bolton Ltd (iFM Bolton) | Other | 1 | £0k | 0.0% | |
| Curo Places Limited | Other | 1 | £0k | 0.0% | |
| Leeds and York Partnership NHS Foundation Trust, trading as North of England NHS Commercial Procurement Collaborative ("NOE CPC") | Other | 1 | £0k | 0.0% | |
| Gateshead Council | Other | 1 | £0k | 0.0% | |
| North of England Commercial Procurement Collaborative (NOE CPC) (hosted by and acting through Leeds and York Partnership NHS Foundation Trust.) | Other | 1 | £0k | 0.0% | |
| NWUPC | Other | 1 | £0k | 0.0% | |
| MIDLAND HEART LIMITED | Other | 1 | £0k | 0.0% | |