| Central Housing Investment Consortium Limited ("CHIC") | Other | 1 | £57m | 30.7% | 2021-04-03 |
| EASTERN PROCUREMENT LIMITEDNew | Other | 2 | £30m | 16.1% | 2026-01-23 |
| Dorset county Council | Other | 1 | £10m | 5.5% | 2018-09-30 |
| NORTHERN HOUSING CONSORTIUM LIMITED | Other | 18 | £10m | 5.5% | 2025-09-07 |
| Star Procurement | Other | 1 | £6m | 3.3% | 2019-01-31 |
| Procurement for Housing | Other | 2 | £6m | 3.2% | 2018-12-14 |
| Procurement For All Ltd | Other | 1 | £6m | 3.0% | 2016-12-08 |
| Rochdale Borough CouncilNew | Other | 1 | £5m | 2.7% | 2026-01-06 |
| Bristol City Council | Other | 6 | £5m | 2.4% | 2024-08-16 |
| Be One HomesNew | Other | 2 | £4m | 2.1% | 2025-11-27 |
| Leeds City Council | Other | 3 | £3m | 1.6% | 2026-02-04 |
| Fusion21 Members Consortium | Other | 3 | £3m | 1.6% | 2024-07-08 |
| South Tyneside Council | Other | 1 | £3m | 1.5% | 2019-06-14 |
| Nuneaton & Bedworth Borough Council | Other | 3 | £3m | 1.4% | 2024-08-30 |
| Espo | Other | 2 | £3m | 1.3% | 2018-06-18 |
| STOCKPORT HOMES LIMITED | Other | 2 | £2m | 1.2% | 2024-05-14 |
| Inprova Group | Other | 2 | £2m | 1.2% | 2023-10-19 |
| NEUPC Ltd | Other | 1 | £2m | 1.2% | 2021-05-04 |
| Sheffield City Council | Other | 2 | £2m | 1.1% | 2026-04-01 |
| Swindon Borough Council | Other | 3 | £2m | 1.0% | 2024-02-12 |
| City of Doncaster Council | Other | 3 | £2m | 0.8% | 2024-04-05 |
| Borough Council of Calderdale | Other | 1 | £2m | 0.8% | 2022-01-11 |
| Sanctuary Housing Association | Other | 3 | £2m | 0.8% | 2021-12-04 |
| NORTH TYNESIDE COUNCIL | Other | 1 | £1m | 0.7% | 2016-01-06 |
| South Ribble Borough CouncilNew | Other | 2 | £1m | 0.7% | 2025-10-06 |
| Your Homes Newcastle Ltd | Other | 1 | £1m | 0.6% | 2014-09-01 |
| Basildon Borough Council | Other | 2 | £1m | 0.6% | 2024-07-29 |
| Royal Borough of Greenwich | Other | 2 | £1m | 0.5% | 2023-06-29 |
| Bournemouth Christchurch and Poole Council | Other | 2 | £949k | 0.5% | 2023-09-07 |
| Sunderland City Council | Other | 3 | £913k | 0.5% | 2017-06-07 |
| Liverpool John Moores University | Other | 1 | £902k | 0.5% | 2023-04-27 |
| CHESHIRE EAST COUNCILNew | Other | 1 | £880k | 0.5% | 2024-10-30 |
| Epping Forest District Council | Other | 2 | £720k | 0.4% | 2022-05-31 |
| South East Consortium | Other | 1 | £714k | 0.4% | 2016-01-21 |
| University of Bristol | Other | 1 | £625k | 0.3% | 2016-08-01 |
| Shropshire Council | Other | 2 | £617k | 0.3% | 2022-04-25 |
| YPO | Other | 2 | £588k | 0.3% | 2022-06-17 |
| Norwich City Council | Other | 1 | £535k | 0.3% | 2021-12-23 |
| FUSION 21 LIMITED | Other | 1 | £526k | 0.3% | 2016-07-15 |
| Derby Homes Ltd | Other | 1 | £486k | 0.3% | 2018-06-06 |
| Northern Housing Consortium | Other | 1 | £466k | 0.3% | 2018-08-07 |
| Optivo | Other | 1 | £434k | 0.2% | 2022-09-08 |
| Tamworth Borough Council | Other | 1 | £400k | 0.2% | 2023-10-06 |
| Runnymede Borough Council | Other | 1 | £325k | 0.2% | 2023-05-23 |
| Bedford Borough CouncilNew | Other | 1 | £300k | 0.2% | 2025-02-10 |
| Manchester City Council | Other | 2 | £275k | 0.1% | 2016-03-07 |
| Knowsley Council | Other | 1 | £260k | 0.1% | 2016-03-23 |
| Hertfordshire Community NHS Trust | Other | 1 | £250k | 0.1% | 2022-01-27 |
| The Police and Crime Commissioner for NorfolkNew | Other | 4 | £229k | 0.1% | 2026-03-06 |
| University of Plymouth | Other | 1 | £216k | 0.1% | 2018-08-28 |
| St Albans City & District | Other | 1 | £193k | 0.1% | 2022-10-11 |
| Redditch Borough Council | Other | 2 | £130k | 0.1% | 2025-09-30 |
| The University of Nottingham | Other | 1 | £128k | 0.1% | 2017-03-24 |
| Karbon Homes | Other | 1 | £120k | 0.1% | 2019-11-27 |
| WESTWORKS PROCUREMENT LIMITEDNew | Other | 1 | £103k | 0.1% | 2025-12-12 |
| London Borough of Hackney | Other | 1 | £98k | 0.1% | 2024-05-01 |
| WATMOS Community Homes | Other | 1 | £87k | 0.0% | 2018-06-07 |
| Reading Borough Council | Other | 1 | £74k | 0.0% | 2016-12-20 |
| Southend-on-sea Borough Council | Other | 1 | £51k | 0.0% | 2019-07-26 |
| Chesterfield Royal Hospital NHS Foundation Trust | Other | 1 | £37k | 0.0% | 2019-10-29 |
| Alliance HomesNew | Other | 1 | £31k | 0.0% | 2025-04-03 |
| EFFICIENCY EAST MIDLANDS LIMITEDNew | Other | 8 | £0k | 0.0% | 2026-03-30 |
| PROCURE PLUS HOLDINGS LIMITEDNew | Other | 4 | £0k | 0.0% | 2026-03-30 |
| North Star Housing Group - e-Tendering SystemNew | Other | 1 | £0k | 0.0% | 2026-02-17 |
| Communities & Housing Investment Consortium Ltd (CHIC)New | Other | 4 | £0k | 0.0% | 2025-11-26 |
| Newcastle City CouncilNew | Other | 1 | £0k | 0.0% | 2025-08-05 |
| Coventry - Solihull - Warwickshire | Other | 1 | £0k | 0.0% | 2018-03-12 |
| Sandwell Metropolitan Borough Council | Other | 1 | £0k | 0.0% | 2017-05-24 |
| Community Gateway Association | Other | 1 | £0k | 0.0% | 2017-02-13 |
| UNIVERSITY OF WOLVERHAMPTON ENTERPRISE LIMITED | Other | 1 | £0k | 0.0% | 2016-05-17 |
| Barnsley Metropolitan Borough Council | Other | 1 | £0k | 0.0% | |
| Oxfordshire County Council | Other | 1 | £0k | 0.0% | |
| Cheshire West and Chester Council | Other | 1 | £0k | 0.0% | |
| HEPCW (Higher Education Purchasing Consortium Wales) | Other | 2 | £0k | 0.0% | |
| Network Rail Infrastructure Ltd | Other | 4 | £0k | 0.0% | |
| East Ayrshire Council | Other | 1 | £0k | 0.0% | |
| APUC Limited | Other | 6 | £0k | 0.0% | |
| North Ayrshire Council | Other | 3 | £0k | 0.0% | |
| Adra (Tai) Cyf | Other | 1 | £0k | 0.0% | |
| Northern Housing Consortium Ltd | Other | 1 | £0k | 0.0% | |
| Housing 21 | Other | 2 | £0k | 0.0% | |
| Lancaster City Council | Other | 2 | £0k | 0.0% | |
| City of Bradford Metropolitan District Council | Other | 1 | £0k | 0.0% | |
| Caerphilly County Borough Council | Other | 7 | £0k | 0.0% | |
| East Suffolk Council | Other | 1 | £0k | 0.0% | |
| Bridgend County Borough Council | Other | 1 | £0k | 0.0% | |
| Blackpool Council | Other | 1 | £0k | 0.0% | |
| The Common Services Agency (more commonly known as NHS National Services Scotland) (NSS) | Other | 5 | £0k | 0.0% | |
| Peterborough City Council | Other | 1 | £0k | 0.0% | |
| THE GUINNESS PARTNERSHIP LIMITED | Other | 1 | £0k | 0.0% | |
| NWUPC | Other | 1 | £0k | 0.0% | |