| Echelon Consultancy Ltd | Other | 1 | £31m | 14.4% | 2023-04-24 |
| Places for People Group Limited | Other | 3 | £25m | 11.6% | 2023-01-26 |
| EFFICIENCY EAST MIDLANDS LIMITED | Other | 1 | £18m | 8.2% | 2020-04-24 |
| North of England Commercial Procurement Collaborative | Other | 2 | £16m | 7.3% | 2024-08-02 |
| London Borough of NewhamNew | Other | 4 | £14m | 6.6% | 2025-12-08 |
| PROSPER | Other | 3 | £14m | 6.5% | 2024-04-08 |
| NORTHERN HOUSING CONSORTIUM LIMITED | Other | 20 | £13m | 6.1% | 2026-03-31 |
| Central and Cecil Housing Trust | Other | 2 | £13m | 5.7% | 2021-01-04 |
| Fusion21 Members Consortium | Other | 21 | £10m | 4.5% | 2025-09-02 |
| Hyde Housing Association Ltd | Other | 2 | £9m | 3.9% | 2023-06-01 |
| Northern Housing Consortium Ltd | Other | 3 | £6m | 2.9% | 2024-04-18 |
| Plymouth City Council | Other | 2 | £5m | 2.3% | 2023-06-21 |
| South East Consortium | Other | 4 | £5m | 2.1% | 2020-08-26 |
| Norwich City Council | Other | 3 | £3m | 1.5% | 2023-03-08 |
| North Yorkshire County CouncilNew | Other | 4 | £3m | 1.2% | 2025-02-02 |
| EFFICIENCY NORTH LIMITED | Other | 1 | £3m | 1.2% | 2017-05-30 |
| Southampton City Council | Other | 4 | £2m | 1.1% | 2025-08-07 |
| London Borough of Merton | Other | 1 | £2m | 1.0% | 2020-08-13 |
| Inprova Group | Other | 3 | £2m | 1.0% | 2023-10-19 |
| London Borough of Hounslow | Other | 1 | £2m | 1.0% | 2023-10-06 |
| Redditch Borough CouncilNew | Other | 2 | £2m | 0.8% | 2025-04-18 |
| NHMF (NPC) LIMITED | Other | 2 | £2m | 0.8% | 2022-11-08 |
| EN Procure LtdNew | Other | 4 | £2m | 0.8% | 2025-07-12 |
| Optivo | Other | 1 | £2m | 0.8% | 2022-06-01 |
| South Kesteven District Council | Other | 1 | £2m | 0.7% | 2023-01-03 |
| Stevenage Borough Council | Other | 1 | £1m | 0.6% | 2021-01-05 |
| Kirklees Council | Other | 4 | £1m | 0.5% | 2023-03-22 |
| The Riverside Group | Other | 1 | £1m | 0.5% | 2018-10-01 |
| Driver and Vehicle Licensing AgencyNew | Other | 2 | £894k | 0.4% | 2024-11-15 |
| RICHMOND HOUSING PARTNERSHIP LIMITEDNew | Other | 2 | £740k | 0.3% | 2024-10-31 |
| Golden Lane Housing | Other | 2 | £731k | 0.3% | 2025-04-24 |
| London Borough of Camden | Other | 2 | £700k | 0.3% | 2021-12-13 |
| Northern Housing Consortium | Other | 2 | £678k | 0.3% | 2018-09-11 |
| EASTERN PROCUREMENT LIMITED | Other | 2 | £625k | 0.3% | 2017-07-29 |
| Sheffield City Council | Other | 2 | £585k | 0.3% | 2018-11-14 |
| Citizen Housing Group Ltd | Other | 2 | £440k | 0.2% | 2024-04-03 |
| NOTTINGHAM UNIVERSITY HOSPITALS NHS TRUSTNew | Other | 1 | £370k | 0.2% | 2025-02-05 |
| St Leger Homes of Doncaster Limited | Other | 1 | £317k | 0.1% | 2019-04-16 |
| London Fire Commissioner | Other | 1 | £304k | 0.1% | 2020-09-21 |
| London Ambulance Service NHS Trust | Other | 2 | £298k | 0.1% | 2024-04-15 |
| South Yorkshire Police HeadquartersNew | Other | 1 | £240k | 0.1% | 2025-10-08 |
| PROCURE PLUS HOLDINGS LIMITED | Other | 1 | £234k | 0.1% | 2018-10-22 |
| Leicester City Council | Other | 1 | £217k | 0.1% | 2016-11-11 |
| Wakefield and District Housing | Other | 1 | £207k | 0.1% | 2019-12-04 |
| Tamworth Borough CouncilNew | Other | 2 | £200k | 0.1% | 2025-06-01 |
| The University of Nottingham | Other | 3 | £166k | 0.1% | 2017-03-21 |
| Sanctuary Housing AssociationNew | Other | 1 | £160k | 0.1% | 2025-07-18 |
| capitalEsourcingNew | Other | 2 | £151k | 0.1% | 2024-11-20 |
| Royal Borough of Kensington and ChelseaNew | Other | 2 | £150k | 0.1% | 2025-09-14 |
| Oxfordshire County Council | Other | 1 | £135k | 0.1% | 2022-10-27 |
| First Ark Group | Other | 1 | £126k | 0.1% | 2016-09-19 |
| London Borough of Hackney | Other | 1 | £115k | 0.1% | 2020-09-28 |
| THE CAMBRIDGE HOUSING SOCIETY LTDNew | Other | 1 | £100k | 0.0% | 2025-07-16 |
| Broadacres Housing Association | Other | 1 | £100k | 0.0% | 2018-07-17 |
| Colchester City CouncilNew | Other | 1 | £93k | 0.0% | 2025-03-04 |
| FUSION 21 LIMITED | Other | 1 | £92k | 0.0% | 2017-03-28 |
| Richmondshire District Council | Other | 2 | £80k | 0.0% | 2022-09-29 |
| Hertfordshire and West Essex NHS Procurement | Other | 1 | £65k | 0.0% | 2023-04-19 |
| South Wales Police | Other | 1 | £62k | 0.0% | 2019-06-19 |
| Brighton and Hove City Council | Other | 1 | £56k | 0.0% | 2020-03-02 |
| West Midlands Fire and Rescue Authority | Other | 1 | £48k | 0.0% | 2016-07-25 |
| Gloucestershire County Council | Other | 1 | £46k | 0.0% | 2019-04-29 |
| Aster Group LimitedNew | Other | 1 | £43k | 0.0% | 2024-11-21 |
| West Hertfordshire Hospitals NHS Trust | Other | 1 | £35k | 0.0% | 2023-10-17 |
| Bath Spa University | Other | 1 | £31k | 0.0% | 2024-05-21 |
| West Midlands Fire Service | Other | 1 | £24k | 0.0% | 2016-07-22 |
| City & County of SwanseaNew | Other | 4 | £20k | 0.0% | 2026-01-22 |
| Hampshire County Council | Other | 2 | £14k | 0.0% | 2021-07-15 |
| ADVANTAGE SOUTHWEST LLP | Other | 1 | £0k | 0.0% | 2020-08-31 |
| believe housing | Other | 1 | £0k | 0.0% | 2019-12-05 |
| WM Housing Group | Other | 1 | £0k | 0.0% | 2016-02-15 |
| Eden Housing Association | Other | 1 | £0k | 0.0% | |
| The Association of North East Councils Limited | Other | 2 | £0k | 0.0% | |
| Procurement for Housing | 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% | |
| LHC for the Scottish Procurement Alliance (SPA) | Other | 1 | £0k | 0.0% | |
| LHC Procurement Group | Other | 5 | £0k | 0.0% | |
| Procurement for Housing Ltd (t/a PfH Scotland) | Other | 2 | £0k | 0.0% | |
| North of England Commercial Procurement Collaborative (NOE CPC) (hosted by and acting through Leeds and York Partnership NHS Foundation Trust.) | Other | 2 | £0k | 0.0% | |
| Isle of Anglesey County Council | Other | 1 | £0k | 0.0% | |
| LHC Procurement Group for the Welsh Procurement Alliance (WPA) | Other | 2 | £0k | 0.0% | |
| The Hyde Group | Other | 5 | £0k | 0.0% | |
| University of Aberdeen | Other | 1 | £0k | 0.0% | |
| Scotland Excel | Other | 3 | £0k | 0.0% | |
| NHS Lanarkshire | Other | 1 | £0k | 0.0% | |
| UNITED UTILITIES WATER LIMITED | Other | 1 | £0k | 0.0% | |
| Bassetlaw District Council | Other | 1 | £0k | 0.0% | |
| Forestry and Land Scotland | Other | 1 | £0k | 0.0% | |
| West Lothian Council | Other | 3 | £0k | 0.0% | |
| DVLA | Other | 1 | £0k | 0.0% | |
| Eastern Procurement Ltd | Other | 1 | £0k | 0.0% | |