| NHMF (NPC) LIMITED | Other | 7 | £81m | 28.8% | 2023-12-15 |
| Echelon Consultancy Ltd | Other | 1 | £31m | 11.2% | 2023-04-24 |
| Procurement Assist Limited c/o Integrated Facilities Management Bolton Ltd (iFM Bolton)New | Other | 2 | £29m | 10.5% | 2025-05-19 |
| Fusion21 Members Consortium | Other | 15 | £16m | 5.6% | 2024-01-29 |
| London Borough of Hillingdon | Other | 5 | £15m | 5.5% | 2025-02-02 |
| AMICUSHORIZON LIMITED | Other | 2 | £14m | 5.0% | 2016-01-31 |
| Thames Valley Housing Association Limited (TVH) and Metropolitan Housing Trust Limited (MHT) trading as Metropolitan Thames Valley | Other | 1 | £14m | 4.8% | 2018-12-11 |
| Communities & Housing Investment Consortium Ltd (CHIC)New | Other | 5 | £12m | 4.4% | 2025-03-17 |
| Procurement for Housing | Other | 9 | £12m | 4.1% | 2024-12-10 |
| Peabody Trust | Other | 2 | £7m | 2.7% | 2021-06-24 |
| Stevenage Borough CouncilNew | Other | 5 | £7m | 2.4% | 2025-04-02 |
| Islington Council | Other | 1 | £6m | 2.1% | 2017-03-15 |
| Central Bedfordshire Council | Other | 4 | £5m | 1.9% | 2023-03-29 |
| London Borough of Sutton | Other | 2 | £5m | 1.8% | 2024-02-06 |
| Central and Cecil Housing TrustNew | Other | 4 | £3m | 1.2% | 2025-01-06 |
| London Borough of SouthwarkNew | Other | 1 | £3m | 1.0% | 2025-10-21 |
| South East Consortium | Other | 3 | £3m | 0.9% | 2019-10-09 |
| Ark Housing Consultancy | Other | 1 | £3m | 0.9% | 2019-06-20 |
| ONE HOUSING GROUP LIMITED | Other | 1 | £3m | 0.9% | 2022-12-20 |
| Inprova Group | Other | 2 | £2m | 0.8% | 2023-10-19 |
| BROMFORD FLAGSHIP LIMITEDNew | Other | 1 | £2m | 0.7% | 2025-08-01 |
| London Borough of Hammersmith & FulhamNew | Other | 1 | £2m | 0.7% | 2026-04-22 |
| London Borough of Enfield | Other | 4 | £1m | 0.4% | 2024-06-13 |
| VIVIDNew | Other | 1 | £950k | 0.3% | 2024-10-11 |
| Southern Housing | Other | 2 | £596k | 0.2% | 2023-10-01 |
| South Essex Homes | Other | 1 | £534k | 0.2% | 2019-10-24 |
| Harrow Council | Other | 1 | £450k | 0.2% | 2023-04-11 |
| BIP SOLUTIONS LIMITED | Other | 1 | £400k | 0.1% | 2020-08-03 |
| Gravesham Borough Council | Other | 2 | £360k | 0.1% | 2023-06-07 |
| Southend-on-sea Borough Council | Other | 2 | £342k | 0.1% | 2023-04-04 |
| Reading Borough Council | Other | 7 | £297k | 0.1% | 2025-09-16 |
| Metropolitan Housing Trust Limited, IP16337RNew | Other | 2 | £235k | 0.1% | 2025-05-13 |
| Optivo | Other | 4 | £211k | 0.1% | 2020-04-02 |
| Wokingham Borough Council | Other | 1 | £177k | 0.1% | 2019-09-11 |
| SE Shared Services | Other | 3 | £31k | 0.0% | 2017-07-04 |
| GREENFIELDS COMMUNITY HOUSING LIMITED | Other | 1 | £0k | 0.0% | 2017-01-25 |
| FUSION 21 LIMITED | Other | 1 | £0k | 0.0% | 2016-03-24 |
| HABINTEG HOUSING ASSOCIATION LIMITED | Other | 1 | £0k | 0.0% | |
| Oxford Direct Services | Other | 1 | £0k | 0.0% | |
| Notting Hill Genesis | Other | 2 | £0k | 0.0% | |
| The Hyde Group | Other | 1 | £0k | 0.0% | |
| London Borough of Richmond Upon Thames | Other | 1 | £0k | 0.0% | |
| Swindon Borough Council | Other | 1 | £0k | 0.0% | |
| London Borough of Wandsworth | Other | 1 | £0k | 0.0% | |
| CLARION HOUSING GROUP LIMITED | Other | 1 | £0k | 0.0% | |
| Southend City Council | Other | 1 | £0k | 0.0% | |
| London Borough of Haringey | Other | 1 | £0k | 0.0% | |
| Epping Forest District Council | Other | 1 | £0k | 0.0% | |
| Thrive Homes Limited | Other | 1 | £0k | 0.0% | |