| EFFICIENCY EAST MIDLANDS LIMITED | Other | 3 | £35m | 28.6% | 2024-05-30 |
| Central Housing Investment Consortium Limited ("CHIC") | Other | 1 | £20m | 16.6% | 2021-04-03 |
| North of England Commercial Procurement CollaborativeNew | Other | 1 | £11m | 8.8% | 2024-08-02 |
| PROCURE PLUS HOLDINGS LIMITED | Other | 1 | £10m | 8.3% | 2018-06-28 |
| Fusion21 Members Consortium | Other | 5 | £8m | 7.0% | 2025-04-15 |
| University Hospitals Dorset NHS Foundation TrustNew | Other | 2 | £8m | 6.6% | 2024-10-25 |
| Havebury Housing PartnershipNew | Other | 1 | £4m | 3.1% | 2025-01-03 |
| Central and Cecil Housing Trust | Other | 1 | £3m | 2.6% | 2020-11-29 |
| AFFINITY SUTTON GROUP LIMITED | Other | 1 | £3m | 2.2% | 2018-12-03 |
| EFFICIENCY NORTH LIMITED | Other | 1 | £3m | 2.1% | 2017-05-30 |
| N H S Shared Business ServicesNew | Other | 1 | £2m | 1.6% | 2025-01-06 |
| Northern Housing Consortium Ltd | Other | 1 | £2m | 1.6% | 2020-04-01 |
| EN Procure LtdNew | Other | 2 | £2m | 1.4% | 2025-07-12 |
| Stevenage Borough Council | Other | 3 | £2m | 1.2% | 2019-08-06 |
| Northern Housing Consortium | Other | 3 | £1m | 1.2% | 2017-02-09 |
| The Riverside Group | Other | 2 | £1m | 1.0% | 2020-08-31 |
| Stoke-on-Trent City Council | Other | 2 | £950k | 0.8% | 2023-12-04 |
| East Suffolk CouncilNew | Other | 2 | £649k | 0.5% | 2025-11-27 |
| Rotherham MBC | Other | 1 | £633k | 0.5% | 2019-05-15 |
| Gateshead Council | Other | 1 | £571k | 0.5% | 2017-08-25 |
| NEUPC Ltd | Other | 1 | £528k | 0.4% | 2019-07-15 |
| FIRST CHOICE HOMES OLDHAM LTD | Other | 1 | £500k | 0.4% | 2017-10-15 |
| City of Doncaster CouncilNew | Other | 1 | £400k | 0.3% | 2025-05-23 |
| Kent County Council | Other | 1 | £369k | 0.3% | 2016-02-03 |
| Hull City CouncilNew | Other | 2 | £300k | 0.2% | 2025-03-12 |
| Bradford Metropolitan District Council | Other | 1 | £290k | 0.2% | 2020-05-27 |
| Dounreay Site Restoration Limited | Other | 1 | £286k | 0.2% | 2017-05-26 |
| Southend-on-sea Borough Council | Other | 1 | £270k | 0.2% | 2018-07-17 |
| VIVID | Other | 3 | £220k | 0.2% | 2020-11-01 |
| Buckinghamshire Council | Other | 1 | £192k | 0.2% | 2018-01-27 |
| LGSS Procurement on behalf of Cambridgeshire County Council | Other | 1 | £167k | 0.1% | 2020-01-28 |
| Oxfordshire County Council | Other | 1 | £150k | 0.1% | 2022-10-18 |
| CORBY BOROUGH COUNCIL | Other | 1 | £150k | 0.1% | 2021-03-26 |
| LGSS | Other | 2 | £133k | 0.1% | 2015-09-03 |
| London Borough of Hackney | Other | 1 | £130k | 0.1% | 2017-07-13 |
| Longhurst Group | Other | 1 | £125k | 0.1% | 2021-06-01 |
| The Industrial Dwellings Society (1885) LtdNew | Other | 1 | £110k | 0.1% | 2025-11-22 |
| FUSION 21 LIMITED | Other | 1 | £92k | 0.1% | 2017-03-28 |
| South Tyneside Council | Other | 1 | £40k | 0.0% | 2020-10-27 |
| asra Housing Association | Other | 1 | £25k | 0.0% | 2016-08-15 |
| Borough Council of Calderdale | Other | 1 | £17k | 0.0% | 2017-10-10 |
| City & County of SwanseaNew | Other | 2 | £10k | 0.0% | 2026-01-22 |
| Ministry of Defence | Other | 1 | £7k | 0.0% | 2021-11-08 |
| Mosscare St Vincent's Housing Group LimitedNew | Other | 2 | £4k | 0.0% | 2026-01-13 |
| Beyond Housing Limited | Other | 1 | £3k | 0.0% | 2023-05-23 |
| New Forest District CouncilNew | Other | 2 | £0k | 0.0% | 2025-10-03 |
| SE Shared Services | Other | 1 | £0k | 0.0% | 2020-08-21 |
| Sheffield Hallam University | Other | 1 | £0k | 0.0% | 2018-08-10 |
| UNITED UTILITIES WATER LIMITED | Other | 1 | £0k | 0.0% | |
| East Lothian Council | Other | 1 | £0k | 0.0% | |
| Procurement Services - Lifecycle on behalf of COMMERCIAL SERVICES KENT LIMITED | Other | 1 | £0k | 0.0% | |
| Cambridgeshire County Council | Other | 1 | £0k | 0.0% | |
| THE UNIVERSITY OF WESTMINSTER | Other | 1 | £0k | 0.0% | |
| ProcurePublic | 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% | |
| Procurement for Housing Ltd (t/a PfH Scotland) | Other | 1 | £0k | 0.0% | |
| LHC Procurement Group | Other | 2 | £0k | 0.0% | |
| LHC Procurement Group for the Welsh Procurement Alliance (WPA) | Other | 1 | £0k | 0.0% | |
| University of Glasgow | Other | 1 | £0k | 0.0% | |
| Scotland Excel | Other | 1 | £0k | 0.0% | |
| The City of Edinburgh Council | Other | 1 | £0k | 0.0% | |
| Leeds Teaching Hospitals NHS Trust | Other | 1 | £0k | 0.0% | |
| West Lothian Council | Other | 1 | £0k | 0.0% | |
| Havebury Homes | Other | 1 | £0k | 0.0% | |
| City Building (Glasgow) LLP | Other | 1 | £0k | 0.0% | |
| South East Consortium | Other | 1 | £0k | 0.0% | |
| NHS SHARED BUSINESS SERVICES LIMITED | Other | 1 | £0k | 0.0% | |