| Echelon ConsultancyNew | Other | 1 | £68m | 23.5% | 2026-04-30 |
| Melton Borough CouncilNew | Other | 5 | £52m | 18.0% | 2025-11-21 |
| Communities & Housing Investment Consortium Ltd (CHIC)New | Other | 6 | £32m | 11.2% | 2025-08-21 |
| Eastern Procurement Ltd | Other | 2 | £26m | 9.1% | 2016-02-05 |
| EASTERN PROCUREMENT LIMITED | Other | 7 | £26m | 8.9% | 2024-06-04 |
| Efficiency East Midlands Ltd (EEM) | Other | 1 | £20m | 7.0% | 2016-03-07 |
| South Kesteven District CouncilNew | Other | 4 | £10m | 3.4% | 2025-08-22 |
| NE Procurement Ltd | Other | 1 | £9m | 3.0% | 2016-09-01 |
| Cambridgeshire District Councils | Other | 3 | £6m | 2.1% | 2020-08-20 |
| Procurement for Housing | Other | 5 | £5m | 1.8% | 2023-07-03 |
| LHC | Other | 1 | £5m | 1.6% | 2024-02-20 |
| Lewisham Homes Limited | Other | 3 | £4m | 1.6% | 2020-12-07 |
| Flagship Housing Group | Other | 9 | £3m | 1.1% | 2024-02-12 |
| Longhurst Group | Other | 1 | £3m | 1.1% | 2023-01-02 |
| Mid Suffolk District CounciNew | Other | 3 | £3m | 1.0% | 2026-03-16 |
| Fusion21 Members Consortium | Other | 5 | £3m | 1.0% | 2022-09-21 |
| South East Consortium | Other | 2 | £3m | 0.9% | 2019-10-09 |
| Inprova Group | Other | 2 | £2m | 0.8% | 2023-10-19 |
| Uttlesford District Council | Other | 1 | £2m | 0.6% | 2017-07-13 |
| Victory Housing Trust | Other | 5 | £2m | 0.6% | 2017-08-11 |
| London Borough of Hackney | Other | 3 | £1m | 0.4% | 2022-09-01 |
| Boston Mayflower Ltd | Other | 1 | £713k | 0.2% | 2016-02-29 |
| Central Bedfordshire Council | Other | 1 | £650k | 0.2% | 2016-06-29 |
| Freebridge Community Housing Limited | Other | 1 | £617k | 0.2% | 2019-11-01 |
| Borough Council of Kings Lynn and West Norfolk | Other | 2 | £606k | 0.2% | 2018-01-02 |
| Wakefield and District Housing limitedNew | Other | 1 | £500k | 0.2% | 2025-07-07 |
| Housing 21 | Other | 1 | £450k | 0.2% | 2017-01-02 |
| Ipswich Borough Council | Other | 3 | £247k | 0.1% | 2023-08-18 |
| Colchester City Council | Other | 1 | £191k | 0.1% | 2020-07-09 |
| North Kesteven District Council | Other | 1 | £129k | 0.0% | 2016-09-12 |
| Cambridge City Council | Other | 1 | £89k | 0.0% | 2022-03-30 |
| Lewisham Homes Ltd | Other | 1 | £50k | 0.0% | 2021-07-08 |
| Diocese of Norwich Education and Academies Trust | Other | 2 | £48k | 0.0% | 2023-03-06 |
| Forestry Commission | Other | 1 | £0k | 0.0% | 2018-01-29 |
| Birmingham City Council | Other | 1 | £0k | 0.0% | 2017-10-01 |
| FUSION 21 LIMITED | Other | 1 | £0k | 0.0% | 2016-03-24 |
| East Cambridgeshire District Council | Other | 1 | £0k | 0.0% | |
| ACCENT HOUSING LIMITED | Other | 1 | £0k | 0.0% | |
| Watford Community Housing | Other | 2 | £0k | 0.0% | |
| Ipswich Borough Council - Adaptations, Improvements, Maintenance and Environmental (AIME) | Other | 1 | £0k | 0.0% | |
| LONDON & QUADRANT HOUSING TRUST | Other | 1 | £0k | 0.0% | |
| Barnet Homes Ltd | Other | 1 | £0k | 0.0% | |
| London Borough of Haringey | Other | 1 | £0k | 0.0% | |
| LHC Procurement Group | Other | 5 | £0k | 0.0% | |
| The Education Alliance | Other | 2 | £0k | 0.0% | |
| Peterborough City Council | Other | 1 | £0k | 0.0% | |