| Southern Housing | Other | 7 | £426m | 20.4% | 2025-12-11 |
| THE GUINNESS PARTNERSHIP LIMITEDNew | Other | 3 | £250m | 11.9% | 2025-09-30 |
| capitalEsourcingNew | Other | 1 | £216m | 10.3% | 2024-05-31 |
| Peabody TrustNew | Other | 8 | £163m | 7.8% | 2025-03-23 |
| Procurement Assist Limited c/o Integrated Facilities Management Bolton Ltd (iFM Bolton)New | Other | 7 | £91m | 4.3% | 2025-05-19 |
| Dartford Borough CouncilNew | Other | 1 | £90m | 4.3% | 2026-04-01 |
| Echelon Consultancy Ltd | Other | 3 | £87m | 4.1% | 2023-09-25 |
| Chelmsford City CouncilNew | Other | 2 | £86m | 4.1% | 2025-03-25 |
| Estuary Housing Association Ltd | Other | 2 | £77m | 3.7% | 2021-03-30 |
| Echelon ConsultancyNew | Other | 1 | £68m | 3.2% | 2026-04-30 |
| Metropolitan Police Service | Other | 89 | £62m | 2.9% | 2025-12-20 |
| Communities & Housing Investment Consortium Ltd (CHIC) | Other | 12 | £53m | 2.5% | 2025-08-21 |
| NHMF (NPC) LIMITED | Other | 12 | £53m | 2.5% | 2023-08-31 |
| Optivo | Other | 2 | £43m | 2.1% | 2020-09-03 |
| EFFICIENCY EAST MIDLANDS LIMITED | Other | 4 | £41m | 2.0% | 2019-12-23 |
| Brentwood Borough Council | Other | 1 | £40m | 1.9% | 2019-03-25 |
| South East Consortium | Other | 15 | £25m | 1.2% | 2023-12-18 |
| Procurement for Housing | Other | 25 | £24m | 1.1% | 2024-12-10 |
| Citizen Housing Group Ltd | Other | 1 | £20m | 1.0% | 2024-01-09 |
| London Borough of Hackney | Other | 2 | £20m | 1.0% | 2020-10-02 |
| Fusion21 Members Consortium | Other | 25 | £19m | 0.9% | 2024-01-29 |
| LONDON & QUADRANT HOUSING TRUST LIMITED | Other | 4 | £19m | 0.9% | 2017-08-14 |
| London Borough of Hammersmith & Fulham | Other | 3 | £11m | 0.5% | 2026-02-11 |
| Melton Borough Council | Other | 1 | £10m | 0.5% | 2018-09-07 |
| any of the projects listed on the portal | Other | 1 | £8m | 0.4% | 2016-10-04 |
| DUDLEY MBCNew | Other | 2 | £8m | 0.4% | 2026-05-01 |
| WANDLE HOUSING ASSOCIATION LIMITED | Other | 3 | £7m | 0.3% | 2026-02-10 |
| FAMILY MOSAIC HOUSING | Other | 1 | £7m | 0.3% | 2016-08-01 |
| Places for People Group LimitedNew | Other | 17 | £6m | 0.3% | 2025-01-27 |
| Network Homes | Other | 2 | £5m | 0.2% | 2022-04-26 |
| The Metropolitan Police Federation | Other | 21 | £5m | 0.2% | 2023-03-20 |
| LHC | Other | 1 | £5m | 0.2% | 2024-02-20 |
| Thames Valley Charitable Housing Association and Thames Valley Housing Association | Other | 1 | £4m | 0.2% | 2018-09-28 |
| AMICUSHORIZON LIMITED | Other | 1 | £4m | 0.2% | 2017-03-28 |
| Nottingham City Council | Other | 1 | £4m | 0.2% | 2016-03-29 |
| Lewisham Homes Limited | Other | 2 | £4m | 0.2% | 2020-08-10 |
| Wolverhampton City CouncilNew | Other | 1 | £3m | 0.1% | 2025-04-14 |
| oneSource | Other | 4 | £3m | 0.1% | 2019-11-11 |
| London Borough of SuttonNew | Other | 1 | £3m | 0.1% | 2024-07-17 |
| Leeds City CouncilNew | Other | 1 | £2m | 0.1% | 2025-12-19 |
| Inprova Group | Other | 7 | £2m | 0.1% | 2023-10-19 |
| London Fire Brigade | Other | 9 | £2m | 0.1% | 2024-12-12 |
| Eldon Housing Association Ltd (a Charitable Housing Association) | Other | 2 | £2m | 0.1% | |
| NOTTINGHAM COMMUNITY HOUSING ASSOCIATION 2014 LIMITED | Other | 1 | £2m | 0.1% | 2020-01-20 |
| London Borough of LewishamNew | Other | 2 | £1m | 0.1% | 2025-09-15 |
| Metropolitan Police | Other | 7 | £1m | 0.1% | 2016-02-25 |
| London Borough of Barking and Dagenham | Other | 1 | £1m | 0.0% | 2015-04-01 |
| Kent and Medway NHS and Social Care Partnership Trust | Other | 1 | £998k | 0.0% | 2022-04-14 |
| A2Dominion Housing Group Ltd (A2D) | Other | 2 | £996k | 0.0% | 2017-02-23 |
| Thanet District Council | Other | 1 | £996k | 0.0% | 2016-07-20 |
| Sandwell Metropolitan Borough Council | Other | 5 | £989k | 0.0% | 2018-12-17 |
| mhs homes groupNew | Other | 7 | £969k | 0.0% | 2025-07-31 |
| London Borough of Brent | Other | 1 | £950k | 0.0% | 2023-06-29 |
| Red Kite Community Housing | Other | 1 | £947k | 0.0% | 2017-10-19 |
| Ashford Borough CouncilNew | Other | 1 | £700k | 0.0% | 2024-09-04 |
| Paragon Community Housing Limted | Other | 1 | £700k | 0.0% | 2016-04-28 |
| The National Archives | Other | 1 | £581k | 0.0% | 2019-11-11 |
| The Police and Crime Commissioner for Kent | Other | 1 | £564k | 0.0% | 2018-12-21 |
| Metropolitan Housing Trust Limited | Other | 1 | £534k | 0.0% | 2022-12-05 |
| Redditch Borough Council | Other | 1 | £500k | 0.0% | 2023-09-01 |
| IslingtonNew | Other | 1 | £445k | 0.0% | 2025-04-02 |
| The Royal Parks Ltd | Other | 2 | £413k | 0.0% | 2024-11-30 |
| Colchester City Council | Other | 1 | £400k | 0.0% | 2021-06-24 |
| Thames Valley Police | Other | 1 | £325k | 0.0% | 2024-04-17 |
| London Borough of HounslowNew | Other | 1 | £324k | 0.0% | 2026-01-02 |
| Surrey and Borders Partnership NHS Foundation Trust | Other | 2 | £200k | 0.0% | 2022-09-06 |
| QUADRANT CONSTRUCTION SERVICES LIMITED | Other | 1 | £44k | 0.0% | 2020-11-25 |
| Tower Hamlets Community Housing Limited | Other | 1 | £38k | 0.0% | 2016-02-11 |
| WESTWORKS PROCUREMENT LIMITED | Other | 1 | £30k | 0.0% | 2016-11-08 |
| BRENT HOUSING PARTNERSHIP | Other | 1 | £13k | 0.0% | 2017-02-07 |
| Derby Homes Ltd | Other | 1 | £0k | 0.0% | 2018-10-02 |
| Lee Valley Regional Park AuthorityNew | Other | 1 | £0k | 0.0% | 2024-11-27 |
| Coventry - Solihull - Warwickshire | Other | 1 | £0k | 0.0% | 2018-01-15 |
| FUSION 21 LIMITED | Other | 1 | £0k | 0.0% | 2016-03-24 |
| SEC PROCUREMENT LIMITED T/A SOUTH EAST CONSORTIUM | Other | 3 | £0k | 0.0% | |
| Leicester City Council | Other | 1 | £0k | 0.0% | |
| Notting Hill Genesis | Other | 5 | £0k | 0.0% | |
| Royal Borough of Greenwich | Other | 1 | £0k | 0.0% | |
| Queen Victoria Hospital NHS Foundation Trust | Other | 1 | £0k | 0.0% | |
| Abri | Other | 3 | £0k | 0.0% | |
| Royal Borough of Kensington and Chelsea | Other | 1 | £0k | 0.0% | |
| The Riverside Group | Other | 1 | £0k | 0.0% | |
| LHC Procurement Group | Other | 13 | £0k | 0.0% | |
| Watford Community Housing | Other | 7 | £0k | 0.0% | |
| London Borough of Merton | Other | 1 | £0k | 0.0% | |
| LONDON & QUADRANT HOUSING TRUST | Other | 1 | £0k | 0.0% | |
| Anchor Hanover Group | Other | 2 | £0k | 0.0% | |
| The Mayor and Commonalty and Citizens of the City of London | Other | 1 | £0k | 0.0% | |
| London Borough of Haringey | Other | 2 | £0k | 0.0% | |
| Southend City Council | Other | 1 | £0k | 0.0% | |
| Mayor's Office For Policing & Crime | Other | 1 | £0k | 0.0% | |
| NHS SHARED BUSINESS SERVICES LIMITED | Other | 1 | £0k | 0.0% | |
| Essex Police, Fire and Crime Commissioner Fire and Rescue Authority | Other | 1 | £0k | 0.0% | |
| Chelmer Housing Partnership Limited | Other | 2 | £0k | 0.0% | |