| THE GUINNESS PARTNERSHIP LIMITEDNew | Other | 2 | £250m | 32.7% | 2025-09-30 |
| London Borough of Enfield | Other | 2 | £91m | 11.9% | 2022-01-11 |
| Catalyst Housing Limited | Other | 3 | £84m | 10.9% | 2022-05-30 |
| Notting Hill Genesis | Other | 4 | £64m | 8.4% | 2022-06-07 |
| Tower Hamlets | Other | 11 | £53m | 7.0% | 2019-09-17 |
| London Borough of Hackney | Other | 2 | £37m | 4.8% | 2023-06-20 |
| EASTERN PROCUREMENT LIMITEDNew | Other | 2 | £31m | 4.1% | 2026-03-10 |
| PROSPERNew | Other | 4 | £29m | 3.8% | 2025-06-20 |
| Optivo | Other | 1 | £26m | 3.5% | 2019-01-24 |
| Fusion21 Members Consortium | Other | 14 | £26m | 3.4% | 2025-04-15 |
| RICHMOND HOUSING PARTNERSHIP LIMITEDNew | Other | 1 | £16m | 2.1% | 2024-11-20 |
| Network Homes | Other | 5 | £14m | 1.8% | 2022-04-26 |
| Royal Borough of Greenwich | Other | 1 | £13m | 1.6% | 2023-07-13 |
| Ipswich Borough CouncilNew | Other | 3 | £10m | 1.2% | 2025-12-28 |
| Lewisham Homes Limited | Other | 3 | £5m | 0.7% | 2020-11-10 |
| London Borough of Hammersmith & Fulham | Other | 1 | £4m | 0.5% | 2019-11-29 |
| Places for People Group Limited | Other | 1 | £3m | 0.4% | 2021-06-08 |
| Stevenage Borough Council | Other | 1 | £2m | 0.3% | 2019-11-30 |
| London Borough of Camden | Other | 1 | £1m | 0.2% | 2023-02-07 |
| London Borough of RedbridgeNew | Other | 1 | £1m | 0.2% | 2024-06-24 |
| London Borough of HounslowNew | Other | 1 | £1m | 0.1% | 2024-12-11 |
| London Borough of Bromley | Other | 1 | £990k | 0.1% | 2019-07-18 |
| Transport for London | Other | 1 | £923k | 0.1% | 2020-02-27 |
| The Barnet Group | Other | 2 | £818k | 0.1% | 2023-04-04 |
| Colchester Borough Homes | Other | 1 | £219k | 0.0% | 2019-01-17 |
| South Essex Homes Ltd on behalf of Southend BC | Other | 1 | £198k | 0.0% | 2017-03-30 |
| Wandle | Other | 1 | £111k | 0.0% | 2018-10-23 |
| South London and Maudsley | Other | 1 | £78k | 0.0% | 2017-10-02 |
| Hightown Housing Association Ltd | Other | 1 | £20k | 0.0% | 2016-01-14 |
| WANDLE HOUSING ASSOCIATION LIMITEDNew | Other | 2 | £0k | 0.0% | 2026-03-25 |
| Communities & Housing Investment Consortium Ltd (CHIC)New | Other | 5 | £0k | 0.0% | 2025-11-26 |
| Metropolitan Housing TrustNew | Other | 3 | £0k | 0.0% | 2025-09-01 |
| Cambridge City Council | Other | 1 | £0k | 0.0% | 2023-05-05 |
| A2Dominion Housing Group Ltd (A2D) | Other | 3 | £0k | 0.0% | |
| The LCP on behalf of LB Hounslow | Other | 1 | £0k | 0.0% | |
| London Borough of Haringey | Other | 3 | £0k | 0.0% | |
| Royal Borough of Kensington and Chelsea | Other | 4 | £0k | 0.0% | |
| Hyde Housing Association Limited | Other | 4 | £0k | 0.0% | |
| London Universities Purchasing Consortium | Other | 1 | £0k | 0.0% | |
| LHC Procurement Group | Other | 9 | £0k | 0.0% | |
| NHMF (NPC) LIMITED | Other | 1 | £0k | 0.0% | |
| Kingston Upon Hull City Council | Other | 2 | £0k | 0.0% | |
| Procurement Services - Lifecycle on behalf of COMMERCIAL SERVICES KENT LIMITED | Other | 1 | £0k | 0.0% | |
| London Borough of Newham | Other | 1 | £0k | 0.0% | |
| LHC | Other | 6 | £0k | 0.0% | |
| Peabody Trust | Other | 1 | £0k | 0.0% | |
| Settle | Other | 1 | £0k | 0.0% | |
| BIRKBECK COLLEGE | Other | 1 | £0k | 0.0% | |
| London Borough of Wandsworth | Other | 1 | £0k | 0.0% | |
| NHS SHARED BUSINESS SERVICES LIMITED | Other | 1 | £0k | 0.0% | |