| Poole Hospital NHS Foundation Trust | Other | 1 | £2.2bn | 89.3% | 2018-12-14 |
| EN Procure Ltd | Other | 4 | £49m | 1.9% | 2024-02-20 |
| Telford & Wrekin Council | Other | 1 | £29m | 1.1% | 2019-05-24 |
| PROSPER | Other | 5 | £26m | 1.1% | 2025-04-29 |
| Islington and Shoreditch Housing Association | Other | 1 | £23m | 0.9% | 2017-05-08 |
| MIDLAND HEART HOUSING LTD | Other | 1 | £19m | 0.8% | 2023-10-25 |
| PROCURE PLUS HOLDINGS LIMITED | Other | 2 | £15m | 0.6% | 2019-10-11 |
| London Borough of Camden | Other | 4 | £14m | 0.6% | 2022-03-14 |
| Shropshire Council | Other | 1 | £14m | 0.5% | 2019-09-09 |
| EASTERN PROCUREMENT LIMITED | Other | 4 | £13m | 0.5% | 2023-07-20 |
| First Choice Homes Oldham | Other | 1 | £7m | 0.3% | 2018-11-16 |
| Islington Council | Other | 1 | £6m | 0.2% | 2017-03-15 |
| Fusion21 Members Consortium | Other | 7 | £6m | 0.2% | 2023-03-14 |
| WESTWORKS PROCUREMENT LIMITED | Other | 5 | £6m | 0.2% | 2024-07-10 |
| Central and Cecil Housing Trust | Other | 4 | £5m | 0.2% | 2025-01-06 |
| LHC | Other | 1 | £5m | 0.2% | 2024-02-20 |
| Leeds City Council | Other | 3 | £4m | 0.2% | 2023-06-13 |
| Flagship Housing Group | Other | 1 | £4m | 0.2% | 2024-02-23 |
| Bristol City Council | Other | 1 | £4m | 0.1% | 2020-02-17 |
| Procurement for HousingNew | Other | 2 | £4m | 0.1% | 2024-08-01 |
| South East Consortium | Other | 2 | £3m | 0.1% | 2019-10-09 |
| NEUPC Ltd | Other | 4 | £1m | 0.1% | 2021-01-26 |
| Norwich City Council | Other | 2 | £1m | 0.0% | 2023-03-08 |
| Plymouth Community Homes | Other | 2 | £1m | 0.0% | 2024-09-25 |
| A2Dominion Housing Group Ltd (A2D) | Other | 1 | £996k | 0.0% | 2017-02-23 |
| London Borough of Hackney | Other | 1 | £750k | 0.0% | 2018-11-23 |
| Bracknell Forest Homes | Other | 1 | £733k | 0.0% | 2015-12-21 |
| Bradford Metropolitan District Council | Other | 1 | £649k | 0.0% | 2016-03-14 |
| capitalEsourcing | Other | 2 | £606k | 0.0% | 2024-01-04 |
| Leicester City Council | Other | 1 | £514k | 0.0% | 2016-09-26 |
| Southampton Solent University | Other | 1 | £450k | 0.0% | 2016-06-30 |
| Elmbridge Borough Council | Other | 1 | £434k | 0.0% | 2020-02-03 |
| Northumbria Police | Other | 2 | £419k | 0.0% | 2022-12-16 |
| Origin Housing Limited | Other | 1 | £400k | 0.0% | 2018-02-19 |
| University Hospitals Dorset NHS Foundation Trust | Other | 1 | £358k | 0.0% | 2018-12-14 |
| Darlington Borough Council | Other | 1 | £325k | 0.0% | 2017-03-31 |
| Sunderland City Council | Other | 4 | £298k | 0.0% | 2023-03-03 |
| Department for Work & Pensions | Other | 2 | £297k | 0.0% | 2020-03-25 |
| Places for People Group Limited | Other | 1 | £269k | 0.0% | 2021-04-01 |
| Berneslai Homes Limited | Other | 2 | £250k | 0.0% | 2023-10-10 |
| Lancashire Constabulary | Other | 1 | £235k | 0.0% | 2022-08-24 |
| NHS South West - Acutes | Other | 1 | £170k | 0.0% | 2018-04-16 |
| Beyond Housing Limited | Other | 3 | £152k | 0.0% | 2022-06-23 |
| Connexus Homes Limited | Other | 3 | £148k | 0.0% | 2022-03-01 |
| Vyners School | Other | 1 | £140k | 0.0% | 2021-06-08 |
| Karbon Homes | Other | 4 | £136k | 0.0% | 2019-09-24 |
| Thames Valley Police | Other | 1 | £128k | 0.0% | 2017-01-09 |
| Tendring District Council | Other | 1 | £111k | 0.0% | 2019-11-26 |
| One Housing Group | Other | 1 | £83k | 0.0% | 2022-05-06 |
| EN:PROCURE LIMITED | Other | 4 | £79k | 0.0% | 2019-01-13 |
| BRAVOSOLUTION UK LIMITED | Other | 1 | £66k | 0.0% | 2021-04-14 |
| Durham County Council | Other | 2 | £60k | 0.0% | 2021-06-04 |
| DfTc - Department for Transport | Other | 1 | £50k | 0.0% | 2021-11-26 |
| Lee Valley Regional Park AuthorityNew | Other | 1 | £50k | 0.0% | 2024-10-17 |
| Ministry of Defence | Other | 1 | £43k | 0.0% | 2019-02-06 |
| NHS Property Services Limited | Other | 1 | £34k | 0.0% | 2024-03-16 |
| Redcar and Cleveland Borough Council | Other | 1 | £31k | 0.0% | 2018-07-24 |
| MCA - Maritime and Coastguard Agency | Other | 1 | £30k | 0.0% | 2023-06-01 |
| Platform Housing Ltd | Other | 1 | £23k | 0.0% | 2023-07-04 |
| CfBT Schools Trust | Other | 1 | £17k | 0.0% | 2017-07-07 |
| Daventry District Council | Other | 1 | £16k | 0.0% | 2017-05-08 |
| The Council of the Borough of Bournemouth | Other | 1 | £14k | 0.0% | 2016-08-03 |
| City College Plymouth | Other | 1 | £11k | 0.0% | 2016-06-29 |
| COMMONWEALTH WAR GRAVES COMMISSION | Other | 1 | £7k | 0.0% | 2022-08-18 |
| Hampshire County Council | Other | 1 | £0k | 0.0% | 2020-03-03 |
| University Hospital Dorset NHS Foundation Trust | Other | 1 | £0k | 0.0% | 2020-11-26 |
| Wigan CouncilNew | Other | 1 | £0k | 0.0% | 2026-02-17 |
| Communities & Housing Investment Consortium Ltd (CHIC)New | Other | 2 | £0k | 0.0% | 2025-11-26 |
| Bolsover District CouncilNew | Other | 1 | £0k | 0.0% | 2025-05-01 |
| Askham Bryan College | Other | 1 | £0k | 0.0% | 2023-06-20 |
| Westward Housing Group | Other | 3 | £0k | 0.0% | 2021-05-24 |
| University Hospitals of Derby and Burton NHS Foundation Trust | Other | 1 | £0k | 0.0% | 2019-12-06 |
| The Coal Authority | Other | 1 | £0k | 0.0% | 2018-07-27 |
| Lancaster University | Other | 1 | £0k | 0.0% | 2017-06-07 |
| FUSION 21 LIMITED | Other | 2 | £0k | 0.0% | 2016-03-29 |
| Procurement for Housing Ltd (t/a PfH Scotland) | Other | 2 | £0k | 0.0% | |
| Dalmuir Park Housing Association | Other | 1 | £0k | 0.0% | |
| Housing 21 | Other | 1 | £0k | 0.0% | |
| Renfrewshire Council | Other | 2 | £0k | 0.0% | |
| NHS Lothian Health Board | Other | 1 | £0k | 0.0% | |
| The City of Edinburgh Council | Other | 1 | £0k | 0.0% | |
| Scotland Excel | Other | 1 | £0k | 0.0% | |
| NHS Lanarkshire | Other | 1 | £0k | 0.0% | |
| Luton Council | Other | 1 | £0k | 0.0% | |
| Falkirk Council | Other | 2 | £0k | 0.0% | |
| Scottish Borders Housing Association Ltd | Other | 1 | £0k | 0.0% | |
| Cassiltoun Housing Association Ltd. | Other | 2 | £0k | 0.0% | |
| Stirling Council | Other | 1 | £0k | 0.0% | |
| Borders College | Other | 1 | £0k | 0.0% | |
| Oak Tree Housing Association Ltd | Other | 1 | £0k | 0.0% | |
| Loreburn Housing Association | Other | 1 | £0k | 0.0% | |
| Bield Housing & Care | Other | 1 | £0k | 0.0% | |
| West Lothian Council | Other | 1 | £0k | 0.0% | |
| Glasgow Caledonian University | Other | 1 | £0k | 0.0% | |
| LHC for the Scottish Procurement Alliance (SPA) | Other | 2 | £0k | 0.0% | |
| NHS SHARED BUSINESS SERVICES LIMITED | Other | 1 | £0k | 0.0% | |
| Perth & Kinross Council | Other | 1 | £0k | 0.0% | |
| NHS Wales Shared Services Partnership (hosted by Velindre University NHS Trust) | Other | 1 | £0k | 0.0% | |
| University Of Edinburgh | Other | 1 | £0k | 0.0% | |
| PLYMOUTH COMMUNITY HOMES LIMITED | Other | 1 | £0k | 0.0% | |
| LHC Procurement Group | Other | 2 | £0k | 0.0% | |
| Wychavon District Council | Other | 1 | £0k | 0.0% | |
| Williamsburgh Housing Association | Other | 1 | £0k | 0.0% | |
| West Dunbartonshire Council | Other | 1 | £0k | 0.0% | |
| Angus Council | Other | 3 | £0k | 0.0% | |