| Homes EnglandNew | Other | 1 | £80m | 36.8% | 2026-05-11 |
| National Highways | Other | 6 | £50m | 22.9% | 2021-10-18 |
| Hyde Housing Association Ltd | Other | 2 | £22m | 10.3% | 2024-05-20 |
| HS2 | Other | 3 | £12m | 5.4% | 2021-05-05 |
| Buckinghamshire Council | Other | 7 | £9m | 4.2% | 2024-11-07 |
| Homes and Communities Agency | Other | 2 | £8m | 3.6% | 2018-06-08 |
| Espo | Other | 15 | £6m | 2.9% | 2022-04-20 |
| Ministry of Defence | Other | 3 | £5m | 2.3% | 2025-09-19 |
| EAST WEST RAILWAY COMPANY LIMITEDNew | Other | 1 | £5m | 2.1% | 2024-09-10 |
| Scotland Excel | Other | 1 | £2m | 1.0% | 2019-07-01 |
| Homes England (the name adopted by the Homes and Communities Agency) | Other | 23 | £2m | 1.0% | 2025-10-09 |
| Cumbria County Council | Other | 1 | £2m | 0.9% | 2022-04-21 |
| Kent County Council | Other | 3 | £1m | 0.6% | 2023-03-06 |
| UK Research and InnovationNew | Other | 3 | £1m | 0.6% | 2025-12-01 |
| UK Atomic Energy AuthorityNew | Other | 1 | £600k | 0.3% | 2025-12-16 |
| Fusion21 Members Consortium | Other | 2 | £569k | 0.3% | 2021-09-17 |
| Nottingham City Council | Other | 3 | £495k | 0.2% | 2023-01-13 |
| Notting Hill Genesis | Other | 2 | £458k | 0.2% | 2022-06-09 |
| Arc Property Services Partnership LtdNew | Other | 1 | £433k | 0.2% | 2025-12-09 |
| Oxford City Council | Other | 6 | £418k | 0.2% | 2025-09-16 |
| West Yorkshire Combined AuthorityNew | Other | 1 | £400k | 0.2% | 2026-02-10 |
| Central Bedfordshire CouncilNew | Other | 2 | £400k | 0.2% | 2024-06-15 |
| Test Valley Borough Council | Other | 3 | £370k | 0.2% | 2025-02-17 |
| Natural England | Other | 2 | £360k | 0.2% | 2023-08-23 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 3 | £357k | 0.2% | 2024-10-11 |
| Catalyst Housing Limited | Other | 2 | £349k | 0.2% | 2021-10-01 |
| Derbyshire County CouncilNew | Other | 1 | £300k | 0.1% | 2026-04-16 |
| UK RESEARCH & INNOVATION | Other | 1 | £300k | 0.1% | 2021-10-29 |
| South Yorkshire Police Headquarters | Other | 1 | £286k | 0.1% | 2016-12-21 |
| DEFRA | Other | 4 | £285k | 0.1% | 2023-03-01 |
| The Crown Estate | Other | 2 | £281k | 0.1% | 2024-06-29 |
| BIP SOLUTIONS LIMITEDNew | Other | 1 | £280k | 0.1% | 2026-01-16 |
| National Audit Office | Other | 1 | £260k | 0.1% | 2021-01-20 |
| NE | Other | 1 | £250k | 0.1% | 2023-05-10 |
| HOMES & COMMUNITIES AGENCY | Other | 2 | £227k | 0.1% | 2015-11-30 |
| Supply Hertfordshire | Other | 2 | £200k | 0.1% | 2018-09-25 |
| Canterbury City Council | Other | 4 | £186k | 0.1% | 2024-07-11 |
| OFCOM | Other | 1 | £175k | 0.1% | 2024-04-22 |
| Board of Trustees of the Royal Botanic Gardens Kew | Other | 3 | £167k | 0.1% | 2023-12-08 |
| London Borough of Camden | Other | 1 | £164k | 0.1% | 2024-02-29 |
| University of Bath | Other | 2 | £156k | 0.1% | 2025-03-24 |
| Cambridgeshire County CouncilNew | Other | 1 | £150k | 0.1% | 2024-07-23 |
| Keele University | Other | 1 | £150k | 0.1% | 2023-11-17 |
| Runnymede Borough Council | Other | 2 | £150k | 0.1% | 2021-11-25 |
| QUADRANT CONSTRUCTION SERVICES LIMITED | Other | 3 | £125k | 0.1% | 2018-10-17 |
| West Sussex County Council | Other | 1 | £124k | 0.1% | 2019-09-23 |
| London Borough of Merton | Other | 1 | £115k | 0.1% | 2019-11-25 |
| NHS Digital | Other | 3 | £110k | 0.1% | 2021-01-11 |
| L&Q Construction | Other | 2 | £106k | 0.0% | 2020-08-03 |
| St Albans City & DistrictNew | Other | 1 | £100k | 0.0% | 2025-07-31 |
| Epping Forest District Council | Other | 1 | £100k | 0.0% | 2018-05-31 |
| Bedford Borough CouncilNew | Other | 2 | £85k | 0.0% | 2024-07-02 |
| ATAMIS LTD | Other | 1 | £81k | 0.0% | 2023-11-30 |
| capitalEsourcing | Other | 1 | £80k | 0.0% | 2021-10-14 |
| UNIVERSITY OF KEELENew | Other | 1 | £80k | 0.0% | 2026-04-29 |
| Tower Hamlets | Other | 2 | £79k | 0.0% | 2016-12-16 |
| London Borough of Waltham ForestNew | Other | 1 | £76k | 0.0% | 2024-06-20 |
| Greater Manchester Combined Authority - Greater Manchester Police | Other | 1 | £70k | 0.0% | 2022-10-07 |
| South Cambridgeshire District Council | Other | 2 | £65k | 0.0% | 2020-01-23 |
| Royal Borough of Kingston Upon Thames | Other | 1 | £59k | 0.0% | 2022-10-05 |
| Fenland District Council | Other | 1 | £57k | 0.0% | 2021-12-06 |
| Kirklees Council | Other | 1 | £55k | 0.0% | 2020-10-11 |
| SE Shared Services | Other | 1 | £50k | 0.0% | 2016-05-13 |
| Leeds City Council | Other | 2 | £50k | 0.0% | 2024-01-19 |
| LGSS | Other | 1 | £48k | 0.0% | 2022-05-22 |
| NATIONAL WEALTH FUND LIMITEDNew | Other | 1 | £48k | 0.0% | 2025-11-16 |
| Peterborough City Council | Other | 1 | £48k | 0.0% | 2023-01-01 |
| London Borough of Tower Hamlets | Other | 1 | £47k | 0.0% | 2016-12-16 |
| London Borough of Hackney | Other | 1 | £46k | 0.0% | 2018-01-24 |
| Pension Protection Fund | Other | 1 | £46k | 0.0% | 2023-11-08 |
| Bradford Metropolitan District Council | Other | 1 | £44k | 0.0% | 2018-06-22 |
| Greater Manchester Combined Authority - GMPNew | Other | 1 | £44k | 0.0% | 2025-06-09 |
| Health & Safety Executive | Other | 1 | £41k | 0.0% | 2021-12-14 |
| Worcestershire County Council | Other | 1 | £39k | 0.0% | 2022-10-17 |
| West Dorset District Council | Other | 1 | £37k | 0.0% | 2017-05-10 |
| University of BedfordshireNew | Other | 1 | £36k | 0.0% | 2024-09-01 |
| Milton Keynes Council | Other | 2 | £34k | 0.0% | 2019-11-22 |
| UNIVERSITY OF SOUTHAMPTON | Other | 1 | £29k | 0.0% | 2016-11-08 |
| Milton Keynes Council Electronic Tendering Site | Other | 1 | £29k | 0.0% | 2017-02-07 |
| Scape Group Limited (trading as SCAPE)New | Other | 1 | £28k | 0.0% | 2025-10-02 |
| East Hampshire District Council | Other | 1 | £27k | 0.0% | 2021-09-26 |
| Food Standards Agency | Other | 1 | £27k | 0.0% | 2018-10-01 |
| Bath and North East Somerset Council | Other | 1 | £26k | 0.0% | 2024-03-29 |
| Bassetlaw District Council | Other | 1 | £26k | 0.0% | 2017-01-05 |
| Bristol City Council | Other | 1 | £25k | 0.0% | 2021-01-27 |
| Weymouth Town Council | Other | 1 | £24k | 0.0% | 2021-01-04 |
| Shropshire Council | Other | 1 | £23k | 0.0% | 2019-03-20 |
| Cambridgeshire District Councils | Other | 2 | £22k | 0.0% | 2018-05-01 |
| Chelsea and Westminster Hospital NHS Foundation Trust | Other | 1 | £22k | 0.0% | 2022-02-10 |
| Science Museum GroupNew | Other | 1 | £21k | 0.0% | 2025-04-04 |
| Nursing And Midwifery Council | Other | 1 | £17k | 0.0% | 2020-11-30 |
| Birmingham City Council | Other | 1 | £15k | 0.0% | 2020-09-03 |
| Royal Botanic Gardens | Other | 1 | £10k | 0.0% | 2016-02-25 |
| University Hospitals of Leicester NHS TrustNew | Other | 1 | £4k | 0.0% | 2026-01-31 |
| Leicestershire County Council, trading as ESPONew | Other | 2 | £0k | 0.0% | 2025-12-04 |
| Environment Agency | Other | 1 | £0k | 0.0% | 2023-01-23 |
| Coventry - Solihull - Warwickshire | Other | 1 | £0k | 0.0% | 2017-10-31 |
| Mining Remediation Authority | Other | 1 | £0k | 0.0% | |
| South Somerset District Council | Other | 1 | £0k | 0.0% | |
| Hertfordshire County Council | Other | 1 | £0k | 0.0% | |
| Norwich City Council | Other | 2 | £0k | 0.0% | |
| EASTERN PROCUREMENT LIMITED | Other | 1 | £0k | 0.0% | |
| UK Research & Innovation | Other | 1 | £0k | 0.0% | |
| Surrey Heath Borough Council | Other | 1 | £0k | 0.0% | |
| Eastleigh Borough Council | Other | 1 | £0k | 0.0% | |
| Stevenage Borough Council | Other | 2 | £0k | 0.0% | |
| Network Homes | Other | 1 | £0k | 0.0% | |
| University Hospitals of Derby and Burton NHS Foundation Trust | Other | 1 | £0k | 0.0% | |
| Medway Council | Other | 1 | £0k | 0.0% | |
| High Speed Two (HS2) Ltd | Other | 1 | £0k | 0.0% | |
| UNITED UTILITIES WATER LIMITED | Other | 3 | £0k | 0.0% | |
| The Minister for the Cabinet Office acting through Crown Commercial Service | Other | 1 | £0k | 0.0% | |
| NATIONAL GRID UK LIMITED | Other | 1 | £0k | 0.0% | |
| South Lakeland District Council | Other | 1 | £0k | 0.0% | |
| NRW | Other | 1 | £0k | 0.0% | |
| Hampshire County Council | Other | 1 | £0k | 0.0% | |