| NHS Property Services Limited | Other | 40 | £4m | 25.8% | 2026-02-24 |
| South East Consortium | Other | 1 | £2m | 11.5% | 2016-11-25 |
| LHC | Other | 1 | £2m | 10.7% | 2019-02-12 |
| Bath and North East Somerset CouncilNew | Other | 3 | £860k | 5.9% | 2026-04-28 |
| Queen Victoria Hospital NHS Foundation TrustNew | Other | 1 | £842k | 5.8% | 2025-01-01 |
| UNIVERSITY OF SOUTHAMPTON | Other | 3 | £800k | 5.5% | 2021-06-14 |
| Lewisham and Greenwich NHS TrustNew | Other | 1 | £721k | 5.0% | 2024-09-10 |
| ASTON UNIVERSITYNew | Other | 2 | £609k | 4.2% | 2025-03-18 |
| The Guinness Partnership Ltd | Other | 1 | £450k | 3.1% | 2020-07-09 |
| University of Bristol | Other | 1 | £343k | 2.4% | 2024-04-25 |
| University Of The West Of England | Other | 6 | £271k | 1.9% | 2022-09-06 |
| WESTWORKS PROCUREMENT LIMITED | Other | 6 | £257k | 1.8% | 2023-11-24 |
| FUSION 21 LIMITED | Other | 1 | £235k | 1.6% | 2017-09-18 |
| Merlin Housing Society | Other | 1 | £223k | 1.5% | 2017-05-23 |
| London Ambulance Service NHS Trust | Other | 2 | £195k | 1.3% | 2024-04-09 |
| University of Bath | Other | 1 | £180k | 1.2% | 2017-11-27 |
| Wiltshire CouncilNew | Other | 1 | £142k | 1.0% | 2024-06-05 |
| University of PlymouthNew | Other | 3 | £139k | 1.0% | 2025-04-22 |
| SELWOOD HOUSING SOCIETY LIMITED | Other | 1 | £108k | 0.7% | 2017-06-05 |
| London Borough of Hounslow | Other | 3 | £99k | 0.7% | 2017-12-19 |
| Royal Borough of GreenwichNew | Other | 1 | £92k | 0.6% | 2025-10-23 |
| THE ROYAL INSTITUTION OF CORNWALL | Other | 1 | £91k | 0.6% | 2023-12-04 |
| Bournemouth Christchurch and Poole Council | Other | 1 | £88k | 0.6% | 2022-05-06 |
| BRUNEL UNIVERSITY LONDONNew | Other | 1 | £87k | 0.6% | 2024-07-15 |
| Stroud District Council | Other | 1 | £87k | 0.6% | 2019-08-19 |
| Somerset Council | Other | 1 | £84k | 0.6% | 2023-07-28 |
| Thames Valley Police | Other | 1 | £81k | 0.6% | 2017-01-09 |
| Bristol City Council | Other | 1 | £80k | 0.6% | 2021-07-02 |
| NHS Wales Shared Services Partnership (hosted by Velindre University NHS Trust)New | Other | 3 | £70k | 0.5% | 2025-06-13 |
| Wokingham Borough Council | Other | 1 | £64k | 0.4% | 2021-10-18 |
| UNIVERSITY OF READING | Other | 1 | £53k | 0.4% | 2019-08-05 |
| City College Plymouth | Other | 1 | £49k | 0.3% | 2021-08-01 |
| Somerset County Council | Other | 1 | £33k | 0.2% | 2020-09-14 |
| Great Western Hospitals NHS Foundation Trust SwindonNew | Other | 1 | £28k | 0.2% | 2025-10-21 |
| Yeovil College | Other | 1 | £20k | 0.1% | 2017-10-09 |
| HEALTH SCIENCES UNIVERSITYNew | Other | 1 | £19k | 0.1% | 2024-11-22 |
| London Borough of Enfield | Other | 1 | £10k | 0.1% | 2019-11-19 |
| Royal Borough of Kingston Upon Thames | Other | 1 | £9k | 0.1% | 2016-10-18 |
| DEFRA | Other | 2 | £0k | 0.0% | 2023-03-01 |
| Kingston University Higher Education CorporationNew | Other | 1 | £0k | 0.0% | 2026-04-02 |
| Leicestershire County Council, trading as ESPONew | Other | 12 | £0k | 0.0% | 2026-01-08 |
| EASTERN PROCUREMENT LIMITED | Other | 1 | £0k | 0.0% | |
| LHC Procurement Group Limited for the Welsh Procurement Alliance (WPA) | Other | 4 | £0k | 0.0% | |
| LHC Procurement Group Limited | Other | 1 | £0k | 0.0% | |
| Aster Group Limited | Other | 1 | £0k | 0.0% | |
| Communities & Housing Investment Consortium Ltd (CHIC) | Other | 1 | £0k | 0.0% | |
| Abri | Other | 1 | £0k | 0.0% | |
| Cardiff University | Other | 1 | £0k | 0.0% | |
| PLYMOUTH COMMUNITY HOMES LIMITED | Other | 1 | £0k | 0.0% | |