| EFFICIENCY EAST MIDLANDS LIMITEDNew | Other | 3 | £17m | 38.2% | 2024-05-30 |
| Fusion21 Members Consortium | Other | 9 | £8m | 19.3% | 2025-04-15 |
| BUCKINGHAMSHIRE HEALTHCARE NHS TRUSTNew | Other | 1 | £2m | 5.5% | 2026-05-05 |
| Inprova Group | Other | 2 | £2m | 5.1% | 2023-10-19 |
| London Borough of HackneyNew | Other | 1 | £2m | 3.4% | 2024-08-13 |
| Homes England (the name adopted by the Homes and Communities Agency) | Other | 1 | £1m | 3.3% | 2019-02-08 |
| London Borough of Hillingdon | Other | 2 | £1m | 3.0% | 2022-12-01 |
| South East Consortium | Other | 3 | £1m | 2.9% | 2016-07-25 |
| LHC | Other | 1 | £1m | 2.3% | 2018-05-16 |
| Tai Hedyn LimitedNew | Other | 2 | £800k | 1.8% | 2025-11-21 |
| Magenta Living | Other | 3 | £723k | 1.7% | 2022-02-14 |
| REGENDA LIMITED | Other | 1 | £608k | 1.4% | 2023-10-30 |
| Southampton City CouncilNew | Other | 2 | £410k | 0.9% | 2024-11-19 |
| Nuneaton & Bedworth Borough CouncilNew | Other | 1 | £400k | 0.9% | 2026-04-29 |
| The Riverside Group | Other | 1 | £400k | 0.9% | 2018-09-14 |
| Kent County Council | Other | 1 | £369k | 0.8% | 2016-02-03 |
| Cardiff UniversityNew | Other | 1 | £360k | 0.8% | 2026-05-18 |
| Kirklees Council | Other | 2 | £348k | 0.8% | 2020-02-29 |
| Staffordshire County CouncilNew | Other | 2 | £330k | 0.8% | 2026-04-24 |
| WANDLE HOUSING ASSOCIATION LIMITED | Other | 1 | £320k | 0.7% | 2023-04-21 |
| Nottingham City CouncilNew | Other | 1 | £299k | 0.7% | 2025-03-31 |
| Southern Universities Purchasing Consortium (SUPC) | Other | 1 | £254k | 0.6% | 2017-04-03 |
| PROSPERNew | Other | 2 | £250k | 0.6% | 2025-03-03 |
| PROCURE PLUS HOLDINGS LIMITED | Other | 1 | £234k | 0.5% | 2018-10-22 |
| London Borough of Redbridge | Other | 1 | £200k | 0.5% | 2020-02-24 |
| Optivo | Other | 1 | £200k | 0.5% | 2018-11-01 |
| Bolton Metropolitan Borough CouncilNew | Other | 1 | £190k | 0.4% | 2026-03-05 |
| LONDON & QUADRANT HOUSING TRUST LIMITED | Other | 1 | £170k | 0.4% | 2019-09-23 |
| University of Bristol | Other | 1 | £150k | 0.3% | 2016-12-01 |
| ISLINGTON & SHOREDITCH HOUSING ASSOCIATION LIMITED | Other | 1 | £100k | 0.2% | 2023-04-01 |
| FUSION 21 LIMITED | Other | 1 | £92k | 0.2% | 2017-03-28 |
| Oxfordshire County CouncilNew | Other | 1 | £90k | 0.2% | 2024-12-23 |
| Surrey Heath Borough CouncilNew | Other | 2 | £67k | 0.2% | 2025-06-05 |
| London Borough of Merton | Other | 2 | £59k | 0.1% | 2021-04-19 |
| West Herts College | Other | 1 | £25k | 0.1% | 2023-08-02 |
| London Borough of Enfield | Other | 2 | £3k | 0.0% | 2019-12-04 |
| Metropolitan Housing TrustNew | Other | 1 | £0k | 0.0% | 2025-05-01 |
| Milton Keynes City Council | Other | 1 | £0k | 0.0% | |
| Espo | Other | 1 | £0k | 0.0% | |
| The Association of North East Councils Limited | Other | 2 | £0k | 0.0% | |
| LHC Procurement Group | Other | 3 | £0k | 0.0% | |
| LHC Procurement Group for the Welsh Procurement Alliance (WPA) | Other | 2 | £0k | 0.0% | |
| Midland Heart | Other | 1 | £0k | 0.0% | |
| Procurement Services - Lifecycle on behalf of COMMERCIAL SERVICES KENT LIMITED | Other | 1 | £0k | 0.0% | |
| Royal Borough of Kensington and Chelsea | Other | 1 | £0k | 0.0% | |
| Procurement for Housing Ltd (t/a PfH Scotland) | Other | 1 | £0k | 0.0% | |
| Stevenage Borough Council | Other | 1 | £0k | 0.0% | |
| East Ayrshire Council | Other | 1 | £0k | 0.0% | |
| Home Group | Other | 1 | £0k | 0.0% | |
| The City of Edinburgh Council | Other | 1 | £0k | 0.0% | |
| West Lothian Council | Other | 4 | £0k | 0.0% | |
| North Lanarkshire Council | Other | 1 | £0k | 0.0% | |
| Scotland Excel | Other | 3 | £0k | 0.0% | |