| CIRRUS PURCHASING LTD | Other | 8 | £57m | 30.3% | 2021-06-29 |
| PROCURE PLUS HOLDINGS LIMITED | Other | 1 | £26m | 14.0% | 2017-02-20 |
| YPO | Other | 8 | £14m | 7.6% | 2019-12-19 |
| Spectrum Housing Group | Other | 1 | £14m | 7.3% | 2016-01-07 |
| Ark Housing Consultancy | Other | 2 | £12m | 6.3% | 2019-04-28 |
| Procurement for Housing | Other | 7 | £10m | 5.5% | 2024-08-01 |
| Islington Council | Other | 1 | £7m | 3.7% | 2018-05-16 |
| Leeds City Council | Other | 2 | £7m | 3.6% | 2022-12-15 |
| Charnwood Borough Council | Other | 2 | £5m | 2.9% | 2019-06-30 |
| Bolton at Home | Other | 3 | £5m | 2.9% | 2019-04-11 |
| WESTWARD HOUSING GROUP LIMITED | Other | 1 | £4m | 2.1% | 2017-10-31 |
| Newcastle City Council | Other | 5 | £3m | 1.8% | 2019-07-09 |
| Welland Procurement Unit | Other | 1 | £3m | 1.4% | 2016-05-25 |
| Stoke-on-Trent City Council (Unitas Stoke-on-Trent) | Other | 1 | £2m | 1.2% | 2018-09-18 |
| City of Doncaster Council | Other | 1 | £2m | 0.8% | 2023-11-09 |
| Yorkshire Coast Homes | Other | 1 | £2m | 0.8% | 2018-01-08 |
| Homes for Haringey Ltd | Other | 1 | £1m | 0.7% | 2017-07-07 |
| London Borough of Hackney | Other | 1 | £1m | 0.7% | 2022-11-07 |
| Kingstown Works Ltd | Other | 1 | £1m | 0.7% | 2022-02-15 |
| Aster Group Limited | Other | 1 | £1m | 0.6% | 2024-04-01 |
| Norse Commercial Services Limited | Other | 1 | £1m | 0.5% | 2016-08-31 |
| St Leger Homes of Doncaster Ltd | Other | 1 | £849k | 0.5% | 2020-01-07 |
| Nottinghamshire County Council | Other | 2 | £840k | 0.4% | 2020-04-15 |
| Paradigm Housing Group | Other | 1 | £775k | 0.4% | 2017-06-01 |
| St Leger Homes of Doncaster | Other | 1 | £574k | 0.3% | 2018-08-31 |
| East Riding of Yorkshire | Other | 2 | £550k | 0.3% | 2020-03-31 |
| Corserv Limited | Other | 1 | £482k | 0.3% | 2019-04-11 |
| South Tyneside Council | Other | 1 | £467k | 0.2% | 2016-01-27 |
| NORTH TYNESIDE COUNCILNew | Other | 2 | £360k | 0.2% | 2025-09-08 |
| Selby District Council | Other | 1 | £350k | 0.2% | 2021-04-30 |
| Gentoo Group Limited | Other | 1 | £343k | 0.2% | 2016-09-19 |
| Mid Devon District CouncilNew | Other | 2 | £300k | 0.2% | 2025-04-30 |
| Kirklees Council | Other | 2 | £287k | 0.2% | 2019-11-29 |
| Advance Northumberland Limited | Other | 2 | £261k | 0.1% | 2020-08-21 |
| Dorset county Council | Other | 1 | £250k | 0.1% | 2017-06-27 |
| Bracknell Forest Homes | Other | 1 | £250k | 0.1% | 2016-04-03 |
| New Charter Building Company Limited | Other | 2 | £243k | 0.1% | 2017-12-11 |
| Lancaster City Council | Other | 4 | £196k | 0.1% | 2018-04-01 |
| Doncaster MBC | Other | 1 | £175k | 0.1% | 2018-08-31 |
| Jigsaw Homes Group | Other | 2 | £173k | 0.1% | 2021-03-05 |
| East Riding of Yorkshire Council | Other | 7 | £153k | 0.1% | 2024-04-04 |
| Stoke-on-Trent City Council | Other | 1 | £138k | 0.1% | 2017-07-05 |
| Lancashire County Council | Other | 1 | £128k | 0.1% | 2021-10-18 |
| South Gloucestershire Council | Other | 1 | £120k | 0.1% | 2019-11-01 |
| Greenfields Community Housing | Other | 1 | £113k | 0.1% | 2017-08-01 |
| Plus Dane Housing LimitedNew | Other | 1 | £90k | 0.0% | 2025-10-31 |
| Redditch Borough & Bromsgrove District Councils | Other | 1 | £85k | 0.0% | 2016-08-02 |
| Manchester City Council | Other | 1 | £36k | 0.0% | 2019-07-11 |
| Darlington Borough Council | Other | 7 | £29k | 0.0% | 2016-05-09 |
| Cambridgeshire District Councils | Other | 1 | £20k | 0.0% | 2017-03-12 |
| Herefordshire Housing Limited | Other | 1 | £8k | 0.0% | 2017-06-16 |
| CRESCENT PURCHASING LIMITED | Other | 5 | £0k | 0.0% | 2019-06-03 |
| NOE CPC | Other | 1 | £0k | 0.0% | 2019-10-14 |
| YORK AND SCARBOROUGH TEACHING HOSPITALS NHS FOUNDATION TRUST | Other | 1 | £0k | 0.0% | 2018-06-28 |
| Durham County Council | Other | 1 | £0k | 0.0% | 2018-06-26 |
| Oxford City Council | Other | 1 | £0k | 0.0% | 2017-02-09 |
| Bournemouth Borough Council | Other | 1 | £0k | 0.0% | 2015-12-01 |
| Sheffield City Council | Other | 1 | £0k | 0.0% | |
| The Hyde Group | Other | 1 | £0k | 0.0% | |
| Nottingham Trent University (NTU) | Other | 1 | £0k | 0.0% | |
| West Lothian Council | Other | 1 | £0k | 0.0% | |
| Langstane Housing Association | Other | 1 | £0k | 0.0% | |
| Legal, Democratic and Business Intelligence, Swansea Council, | Other | 1 | £0k | 0.0% | |
| City & County of Swansea | Other | 8 | £0k | 0.0% | |
| Home Fix Scotland | Other | 4 | £0k | 0.0% | |
| Argyll Homes For All Ltd | Other | 2 | £0k | 0.0% | |