| Peabody Trust | Other | 2 | £300m | 28.2% | 2022-08-09 |
| Notting Hill Genesis | Other | 2 | £64m | 6.0% | 2022-06-07 |
| Fusion21 Members Consortium | Other | 11 | £63m | 5.9% | 2025-04-08 |
| London Borough of Redbridge | Other | 2 | £51m | 4.8% | 2023-03-14 |
| Network Homes | Other | 2 | £44m | 4.1% | 2020-12-14 |
| Hyde Housing Association | Other | 2 | £43m | 4.1% | 2019-12-06 |
| City of London Corporation | Other | 2 | £41m | 3.8% | 2022-11-24 |
| Places for People Group Limited | Other | 2 | £37m | 3.4% | 2025-12-22 |
| EN Procure Ltd | Other | 2 | £34m | 3.2% | 2024-02-27 |
| A2Dominion Housing Group Ltd (A2D) | Other | 4 | £33m | 3.1% | 2016-12-21 |
| PROSPERNew | Other | 8 | £32m | 3.0% | 2025-07-22 |
| Leicester City Council | Other | 5 | £31m | 2.9% | 2024-10-18 |
| Homes England (the name adopted by the Homes and Communities Agency) | Other | 1 | £30m | 2.8% | 2019-07-31 |
| Great Places Housing Group | Other | 4 | £25m | 2.4% | 2024-06-15 |
| Telford & Wrekin Council | Other | 1 | £25m | 2.3% | 2021-05-18 |
| EN:PROCURE LIMITED | Other | 12 | £24m | 2.3% | 2023-11-24 |
| PROCURE PLUS HOLDINGS LIMITED | Other | 12 | £24m | 2.2% | 2025-11-04 |
| WESTWORKS PROCUREMENT LIMITED | Other | 3 | £20m | 1.9% | 2023-03-03 |
| Liverpool City Council | Other | 1 | £14m | 1.3% | 2021-03-02 |
| Broadland Development Services LimitedNew | Other | 2 | £14m | 1.3% | 2026-02-09 |
| Sandwell Metropolitan Borough Council | Other | 3 | £13m | 1.2% | 2021-03-25 |
| Catalyst Housing Limited | Other | 1 | £12m | 1.2% | 2018-04-19 |
| EFFICIENCY NORTH LIMITED | Other | 1 | £11m | 1.1% | 2017-03-23 |
| Beyond Housing LimitedNew | Other | 2 | £11m | 1.0% | 2024-08-01 |
| Echelon Consultancy Ltd | Other | 1 | £10m | 1.0% | 2023-06-26 |
| Havebury Housing Partnership | Other | 2 | £10m | 0.9% | 2023-01-31 |
| Together Housing Association | Other | 1 | £9m | 0.8% | 2023-10-14 |
| Octavia Housing (on behalf of The Connected Partnership) | Other | 1 | £7m | 0.6% | 2020-03-03 |
| Borough Council of Kings Lynn and West Norfolk | Other | 1 | £7m | 0.6% | 2017-07-01 |
| Homes England | Other | 1 | £5m | 0.5% | 2021-10-31 |
| Gloucester City Homes | Other | 1 | £5m | 0.5% | 2018-04-04 |
| Swindon Borough Council | Other | 1 | £5m | 0.4% | 2016-03-14 |
| LHC | Other | 5 | £3m | 0.3% | 2022-09-05 |
| Stoke-on-Trent City Council | Other | 1 | £3m | 0.3% | 2017-11-27 |
| ForViva Group Limited | Other | 1 | £1m | 0.1% | 2017-10-08 |
| Yorkshire Housing LimitedNew | Other | 1 | £1m | 0.1% | 2026-03-20 |
| Radian Group Limited | Other | 1 | £1m | 0.1% | 2016-03-07 |
| London Borough of Barking and Dagenham | Other | 1 | £1m | 0.1% | 2015-04-01 |
| Barnet Homes LtdNew | Other | 1 | £635k | 0.1% | 2025-03-31 |
| Wakefield and District Housing | Other | 1 | £390k | 0.0% | 2016-10-12 |
| Bromsgrove District CouncilNew | Other | 1 | £285k | 0.0% | 2025-09-28 |
| ORBIT GROUP LIMITED | Other | 1 | £200k | 0.0% | 2016-07-15 |
| capitalEsourcing | Other | 2 | £111k | 0.0% | 2023-08-07 |
| Synergy Housing Solutions limited-THGNew | Other | 2 | £0k | 0.0% | 2026-03-20 |
| Westworks Procurement Ltd | Other | 1 | £0k | 0.0% | 2022-09-01 |
| Supply Hertfordshire | Other | 1 | £0k | 0.0% | 2020-06-04 |
| WM Housing Group | Other | 3 | £0k | 0.0% | 2018-01-01 |
| Cambridgeshire District Councils | Other | 1 | £0k | 0.0% | 2017-06-15 |
| PROCURE PLUS HOLDINGS LTD | Other | 1 | £0k | 0.0% | 2015-12-14 |
| Nottingham City Council | Other | 1 | £0k | 0.0% | |
| Norwich City Council | Other | 1 | £0k | 0.0% | |
| London Borough of Sutton | Other | 1 | £0k | 0.0% | |
| Scotland Excel | Other | 2 | £0k | 0.0% | |
| Communities & Housing Investment Consortium Ltd (CHIC) | Other | 2 | £0k | 0.0% | |
| EFFICIENCY EAST MIDLANDS LIMITED | Other | 1 | £0k | 0.0% | |
| Watford Community Housing | Other | 1 | £0k | 0.0% | |
| COBALT HOUSING LIMITED | Other | 1 | £0k | 0.0% | |
| Cheltenham Borough Council | Other | 2 | £0k | 0.0% | |
| Hyde Housing Association Limited | Other | 5 | £0k | 0.0% | |
| Hyde Housing Association Ltd | Other | 1 | £0k | 0.0% | |
| LHC Procurement Group | Other | 5 | £0k | 0.0% | |
| Suffolk County Council | Other | 1 | £0k | 0.0% | |
| North Northamptonshire Council | Other | 1 | £0k | 0.0% | |
| Carmarthenshire County Council | Other | 1 | £0k | 0.0% | |
| Torus | Other | 1 | £0k | 0.0% | |
| Westminster City Council | Other | 1 | £0k | 0.0% | |
| LIVEWEST HOMES LIMITED | Other | 1 | £0k | 0.0% | |