| Procurement for Housing | Other | 2 | £13m | 62.5% | 2019-01-29 |
| Suffolk Sourcing | Other | 1 | £2m | 10.0% | 2017-10-05 |
| Forestry Commission | Other | 2 | £800k | 4.0% | 2020-02-17 |
| Scottish Water | Other | 2 | £633k | 3.2% | 2023-11-30 |
| Valuation Office Agency | Other | 3 | £632k | 3.2% | 2025-10-30 |
| NHS Supply Chain | Other | 3 | £583k | 2.9% | 2022-09-01 |
| Southern Housing | Other | 1 | £383k | 1.9% | 2023-12-22 |
| North Yorkshire County Council | Other | 2 | £350k | 1.7% | 2023-05-15 |
| WaythroughNew | Other | 1 | £246k | 1.2% | 2025-07-30 |
| Wolverhampton City Council | Other | 2 | £200k | 1.0% | 2023-07-17 |
| County Durham and Darlington NHS Foundation Trust | Other | 2 | £158k | 0.8% | 2021-08-27 |
| Flagship Housing Group | Other | 1 | £147k | 0.7% | 2022-04-29 |
| Royal Borough of Kingston Upon Thames | Other | 1 | £130k | 0.6% | 2021-07-01 |
| NOE CPC | Other | 1 | £126k | 0.6% | 2018-11-14 |
| Lewisham Homes Limited | Other | 1 | £98k | 0.5% | 2019-10-17 |
| Warrington Borough CouncilNew | Other | 1 | £95k | 0.5% | 2024-11-06 |
| H M REVENUE & CUSTOMSNew | Other | 1 | £91k | 0.5% | 2026-02-18 |
| ONGO | Other | 1 | £75k | 0.4% | 2016-06-06 |
| Independent Police Complaints Commission | Other | 1 | £72k | 0.4% | 2017-11-30 |
| West Suffolk CouncilNew | Other | 3 | £70k | 0.4% | 2026-03-09 |
| Curo Group (Albion) Ltd | Other | 1 | £69k | 0.3% | 2023-02-25 |
| Somerset County Council | Other | 2 | £67k | 0.3% | 2021-08-27 |
| Bournemouth Christchurch and Poole Council | Other | 1 | £57k | 0.3% | 2023-12-21 |
| Swale Borough Council | Other | 2 | £56k | 0.3% | 2016-07-25 |
| NHS Property Services Limited | Other | 1 | £48k | 0.2% | 2021-05-24 |
| SOUTHWAY HOUSING TRUST (MANCHESTER) LIMITED | Other | 1 | £44k | 0.2% | 2022-05-01 |
| Stevenage Borough Council | Other | 1 | £43k | 0.2% | 2021-12-13 |
| London Fire Brigade | Other | 1 | £40k | 0.2% | 2019-10-16 |
| Stroud District Council | Other | 1 | £36k | 0.2% | 2022-04-01 |
| Berkshire Healthcare NHS Foundation Trust | Other | 1 | £30k | 0.1% | 2018-07-17 |
| City of London Corporation | Other | 1 | £30k | 0.1% | 2018-02-13 |
| Nhs Blood & Transplant | Other | 1 | £29k | 0.1% | 2016-09-30 |
| Thanet District Council | Other | 1 | £27k | 0.1% | 2019-09-23 |
| East Kent Hospitals University NHS Foundation Trust | Other | 1 | £26k | 0.1% | 2017-08-31 |
| WAKEFIELD COUNCIL | Other | 1 | £25k | 0.1% | 2016-05-03 |
| SE Shared Services | Other | 1 | £0k | 0.0% | 2019-07-30 |
| Supply Hertfordshire | Other | 1 | £0k | 0.0% | 2018-07-06 |
| Department for Environment Food & Rural Affairs | Other | 1 | £0k | 0.0% | |
| Chesterfield Borough Council | Other | 1 | £0k | 0.0% | |
| Central and Cecil Housing Trust | Other | 1 | £0k | 0.0% | |
| Forestry and Land Scotland | Other | 1 | £0k | 0.0% | |
| East Suffolk Council | Other | 1 | £0k | 0.0% | |
| PLYMOUTH COMMUNITY HOMES LIMITED | Other | 2 | £0k | 0.0% | |
| Northern Lincolnshire and Goole NHS Foundation Trust | Other | 1 | £0k | 0.0% | |
| WEST KENT HOUSING ASSOCIATION | Other | 1 | £0k | 0.0% | |