| Places for People Group Limited | Other | 5 | £200m | 21.7% | 2025-11-21 |
| Thirteen Housing Group Limited | Other | 1 | £200m | 21.7% | 2021-11-24 |
| Echelon Consultancy Ltd | Other | 1 | £150m | 16.3% | 2020-07-25 |
| CIRRUS PURCHASING LTD | Other | 4 | £66m | 7.2% | 2023-07-07 |
| oneSource | Other | 1 | £53m | 5.8% | 2022-03-29 |
| EASTERN PROCUREMENT LIMITED | Other | 3 | £38m | 4.1% | 2022-03-23 |
| Flagship Housing Group | Other | 1 | £30m | 3.3% | 2023-12-01 |
| Procurement for Housing | Other | 10 | £22m | 2.3% | 2023-04-01 |
| ACIS Group Limited | Other | 2 | £17m | 1.8% | 2021-11-01 |
| Reading Borough Council | Other | 3 | £15m | 1.7% | 2025-11-10 |
| Spectrum Housing Group | Other | 1 | £14m | 1.5% | 2016-01-07 |
| STAR Procurement C/O Trafford CouncilNew | Other | 2 | £11m | 1.2% | 2025-05-07 |
| Communities & Housing Investment Consortium Ltd (CHIC) | Other | 6 | £10m | 1.1% | 2026-05-13 |
| Citizen Housing Group Ltd | Other | 1 | £10m | 1.1% | 2023-03-30 |
| Sanctuary Housing Group | Other | 1 | £10m | 1.1% | 2018-09-24 |
| Salix Homes Limited | Other | 2 | £8m | 0.9% | 2023-12-14 |
| Optivo | Other | 1 | £8m | 0.9% | 2022-06-06 |
| Fusion21 Members Consortium | Other | 5 | £8m | 0.8% | 2020-11-10 |
| Halton Housing Trust | Other | 1 | £8m | 0.8% | 2017-09-21 |
| COTTSWAY HOUSING ASSOCIATION LIMITED | Other | 1 | £7m | 0.8% | 2020-05-06 |
| Ark Housing Consultancy | Other | 1 | £7m | 0.8% | 2019-03-18 |
| London Borough of Hammersmith & Fulham | Other | 1 | £5m | 0.5% | 2024-04-08 |
| WANDLE HOUSING ASSOCIATION LIMITEDNew | Other | 1 | £5m | 0.5% | 2026-03-31 |
| The Barnet Group | Other | 2 | £3m | 0.3% | 2023-04-03 |
| L&Q Construction | Other | 8 | £2m | 0.3% | 2020-01-02 |
| District Homes C.I.C | Other | 1 | £2m | 0.3% | 2016-08-03 |
| LHC | Other | 2 | £2m | 0.2% | 2022-08-31 |
| Sandwell Metropolitan Borough Council | Other | 1 | £1m | 0.1% | 2016-06-30 |
| GATEWAY HOUSING ASSOCIATION LIMITEDNew | Other | 1 | £1m | 0.1% | 2025-07-01 |
| Sutton Housing Partnership | Other | 1 | £1m | 0.1% | 2022-01-26 |
| Epping Forest District Council | Other | 1 | £900k | 0.1% | 2017-09-25 |
| St Leger Homes of Doncaster Ltd | Other | 1 | £849k | 0.1% | 2020-01-07 |
| Newcastle City Council | Other | 1 | £800k | 0.1% | 2019-07-09 |
| ORWELL HOUSING ASSOCIATION LIMITEDNew | Other | 1 | £600k | 0.1% | 2024-07-06 |
| Cumbria County Council | Other | 5 | £480k | 0.1% | 2018-08-14 |
| TRENT & DOVE HOUSING LIMITED | Other | 1 | £460k | 0.1% | 2024-03-30 |
| Bury Council | Other | 2 | £388k | 0.0% | 2023-06-14 |
| Stonewater LimitedNew | Other | 1 | £375k | 0.0% | 2024-10-31 |
| NORTH DEVON HOMES | Other | 1 | £360k | 0.0% | 2023-03-01 |
| QUADRANT CONSTRUCTION SERVICES LIMITED | Other | 2 | £342k | 0.0% | 2021-05-28 |
| Leicester City CouncilNew | Other | 2 | £292k | 0.0% | 2025-12-11 |
| NOTTINGHAM COMMUNITY HOUSING ASSOCIATION 2014 LIMITED | Other | 1 | £250k | 0.0% | 2022-11-12 |
| Bradford Metropolitan District Council | Other | 1 | £225k | 0.0% | 2018-03-28 |
| Beech Grove Homes Limited | Other | 2 | £160k | 0.0% | 2020-12-13 |
| Ministry of Defence | Other | 1 | £155k | 0.0% | 2021-06-28 |
| capitalEsourcing | Other | 1 | £75k | 0.0% | 2023-12-04 |
| ADVANTAGE SOUTHWEST LLP | Other | 1 | £0k | 0.0% | 2019-09-30 |
| WEST KENT HOUSING ASSOCIATION | Other | 1 | £0k | 0.0% | 2023-10-27 |
| PHOENIX COMMUNITY HOUSING ASSOCIATION (BELLINGHAM AND DOWNHAM) LIMITED | Other | 1 | £0k | 0.0% | |
| Cirrus Consortium c/o Halton Housing | Other | 1 | £0k | 0.0% | |
| EFFICIENCY EAST MIDLANDS LIMITED | Other | 2 | £0k | 0.0% | |
| PROCURE PLUS HOLDINGS LIMITED | Other | 1 | £0k | 0.0% | |
| Scotland Excel | Other | 4 | £0k | 0.0% | |
| The Hyde Group | Other | 1 | £0k | 0.0% | |
| Accord Housing Association Limited ta GreenSquareAccord | Other | 1 | £0k | 0.0% | |
| City & County of Swansea | Other | 14 | £0k | 0.0% | |
| Coalo | Other | 1 | £0k | 0.0% | |
| Cirrus Consortium C/O Grand Union Housing Group | Other | 1 | £0k | 0.0% | |
| LHC for the Welsh Procurement Alliance (WPA) | Other | 1 | £0k | 0.0% | |
| London Borough of Newham | Other | 1 | £0k | 0.0% | |
| Adra (Tai) Cyf | Other | 10 | £0k | 0.0% | |
| NHMF (NPC) LIMITED | Other | 1 | £0k | 0.0% | |
| The Swaythling Housing Society Limited (trading as Abri) | Other | 1 | £0k | 0.0% | |
| GreenSquareAccord | Other | 1 | £0k | 0.0% | |
| Cardiff Council | Other | 1 | £0k | 0.0% | |