| Echelon Consultancy Ltd | Other | 2 | £45m | 40.7% | 2023-05-05 |
| PROCURE PLUS HOLDINGS LIMITED | Other | 4 | £18m | 15.9% | 2022-05-20 |
| Fusion21 Members Consortium | Other | 17 | £10m | 9.4% | 2025-09-02 |
| Homes EnglandNew | Other | 2 | £9m | 8.1% | 2025-10-27 |
| Braintree District Council | Other | 1 | £6m | 5.0% | 2016-08-23 |
| Procurement for Housing | Other | 2 | £5m | 4.7% | 2023-03-31 |
| South East Consortium | Other | 3 | £4m | 3.2% | 2021-01-18 |
| Communities & Housing Investment Consortium Ltd (CHIC) | Other | 3 | £3m | 2.7% | 2021-09-22 |
| Your Housing GroupNew | Other | 2 | £2m | 1.8% | 2025-05-21 |
| Espo | Other | 1 | £2m | 1.6% | 2017-12-19 |
| Central and Cecil Housing Trust | Other | 4 | £943k | 0.8% | 2023-07-20 |
| West Midlands Combined Authority | Other | 2 | £730k | 0.7% | 2022-09-20 |
| London Borough of Hillingdon | Other | 3 | £726k | 0.7% | 2026-01-14 |
| PROSPER | Other | 12 | £685k | 0.6% | 2024-01-08 |
| WANDLE HOUSING ASSOCIATION LIMITEDNew | Other | 2 | £621k | 0.6% | 2025-12-01 |
| Basildon Borough Council | Other | 1 | £613k | 0.6% | 2017-02-09 |
| MI CONCEPTS LIMITED | Other | 1 | £476k | 0.4% | 2018-01-08 |
| London Borough of Enfield | Other | 1 | £453k | 0.4% | 2024-01-04 |
| Royal Borough of Greenwich | Other | 1 | £426k | 0.4% | 2019-03-19 |
| Ministry of Housing, Communities & Local Government | Other | 2 | £333k | 0.3% | 2023-03-06 |
| Harrow Council | Other | 1 | £278k | 0.2% | 2019-05-24 |
| LONDON & QUADRANT HOUSING TRUST | Other | 1 | £242k | 0.2% | 2016-04-01 |
| FUSION 21 LIMITED | Other | 1 | £235k | 0.2% | 2017-09-18 |
| LONDON & QUADRANT HOUSING TRUST LIMITED | Other | 1 | £194k | 0.2% | 2016-01-29 |
| City of London Corporation | Other | 2 | £130k | 0.1% | 2021-04-16 |
| London Borough of Hammersmith & FulhamNew | Other | 1 | £124k | 0.1% | 2024-06-20 |
| Coventry City Council | Other | 2 | £119k | 0.1% | 2024-05-21 |
| London Borough of HaringeyNew | Other | 1 | £115k | 0.1% | 2024-10-21 |
| Tower Hamlets | Other | 1 | £98k | 0.1% | 2017-11-22 |
| Three Rivers District Council | Other | 1 | £83k | 0.1% | 2016-05-17 |
| London Borough of Hounslow | Other | 1 | £75k | 0.1% | 2016-11-18 |
| WESTWORKS PROCUREMENT LIMITED | Other | 3 | £34k | 0.0% | 2021-02-04 |
| London Borough of Southwark | Other | 1 | £31k | 0.0% | 2019-06-02 |
| Supply Hertfordshire | Other | 1 | £15k | 0.0% | 2019-04-05 |
| Leicestershire County Council, trading as ESPONew | Other | 12 | £0k | 0.0% | 2026-01-08 |
| Oxford City CouncilNew | Other | 1 | £0k | 0.0% | 2025-02-11 |
| Pagabo | Other | 1 | £0k | 0.0% | 2024-04-12 |
| The University of Nottingham | Other | 1 | £0k | 0.0% | 2021-01-22 |
| SE Shared Services | Other | 1 | £0k | 0.0% | 2017-02-21 |
| LHC Procurement Group | Other | 1 | £0k | 0.0% | |
| OXFORD DIRECT SERVICES LIMITED | Other | 1 | £0k | 0.0% | |
| The Education Alliance | Other | 1 | £0k | 0.0% | |
| Medway Council | Other | 1 | £0k | 0.0% | |
| Homes England (the name adopted by the Homes and Communities Agency) | Other | 1 | £0k | 0.0% | |
| Abri | Other | 4 | £0k | 0.0% | |
| Crawley Borough Council | Other | 1 | £0k | 0.0% | |
| The Hyde Group | Other | 3 | £0k | 0.0% | |
| Canterbury City Council | Other | 1 | £0k | 0.0% | |
| The Highland Council | Other | 1 | £0k | 0.0% | |
| London Borough of Merton | Other | 1 | £0k | 0.0% | |
| London Borough of Harrow | Other | 2 | £0k | 0.0% | |
| NHMF (NPC) LIMITED | Other | 1 | £0k | 0.0% | |
| LHC | Other | 3 | £0k | 0.0% | |
| Dumfries and Galloway Council | Other | 1 | £0k | 0.0% | |
| London Borough of Newham | Other | 1 | £0k | 0.0% | |
| London Construction Programme (LCP) | Other | 1 | £0k | 0.0% | |