| Environment AgencyNew | Other | 12 | £214m | 29.8% | 2026-05-05 |
| Birmingham City CouncilNew | Other | 1 | £200m | 27.9% | 2026-04-29 |
| Sport EnglandNew | Other | 2 | £45m | 6.3% | 2025-09-24 |
| UK Atomic Energy AuthorityNew | Other | 8 | £40m | 5.6% | 2025-12-18 |
| Sanctuary Housing AssociationNew | Other | 1 | £40m | 5.6% | 2026-03-17 |
| Met OfficeNew | Other | 4 | £36m | 5.1% | 2026-04-01 |
| London Legacy Development CorporationNew | Other | 2 | £35m | 4.9% | 2026-03-27 |
| Hull City CouncilNew | Other | 8 | £25m | 3.5% | 2026-02-04 |
| Homes EnglandNew | Other | 1 | £20m | 2.8% | 2026-05-11 |
| The Crown EstateNew | Other | 2 | £20m | 2.8% | 2026-01-30 |
| UK Research and InnovationNew | Other | 2 | £19m | 2.7% | 2025-09-22 |
| Brighton and Hove City CouncilNew | Other | 1 | £6m | 0.8% | 2025-10-10 |
| Transport for the NorthNew | Other | 3 | £4m | 0.5% | 2025-08-13 |
| East Riding of Yorkshire CouncilNew | Other | 2 | £4m | 0.5% | 2025-01-08 |
| GREATER MANCHESTER EDUCATION TRUSTNew | Other | 3 | £3m | 0.4% | 2025-04-15 |
| NETWORK RAIL INFRASTRUCTURE LIMITEDNew | Other | 4 | £2m | 0.3% | 2026-05-14 |
| Fusion21 Members ConsortiumNew | Other | 61 | £1m | 0.2% | 2025-09-02 |
| UK Industrial Fusion Solutions LtdNew | Other | 1 | £500k | 0.1% | 2025-09-17 |
| City of Bradford Metropolitan District CouncilNew | Other | 10 | £336k | 0.0% | 2026-04-28 |
| Department of Health and Social Care (DHSC) | Other | 1 | £140k | 0.0% | 2023-06-12 |
| West Northamptonshire CouncilNew | Other | 1 | £89k | 0.0% | 2026-01-27 |
| UK SHARED BUSINESS SERVICES LIMITEDNew | Other | 1 | £72k | 0.0% | 2024-06-06 |
| West Midlands Combined AuthorityNew | Other | 3 | £50k | 0.0% | 2024-08-09 |
| Crown Commercial ServiceNew | Other | 1 | £49k | 0.0% | 2025-07-31 |
| TranslinkNew | Other | 2 | £0k | 0.0% | 2026-03-26 |
| Hampshire County CouncilNew | Other | 1 | £0k | 0.0% | 2026-03-24 |
| Leicestershire County Council, trading as ESPONew | Other | 16 | £0k | 0.0% | 2026-01-08 |
| Scottish Hydro Electric Power Distribution PlcNew | Other | 4 | £0k | 0.0% | 2025-12-22 |
| University of YorkNew | Other | 3 | £0k | 0.0% | 2025-12-19 |
| Herefordshire CouncilNew | Other | 1 | £0k | 0.0% | 2025-12-18 |
| MAG AIRPORT LIMITED | Other | 7 | £0k | 0.0% | |
| London Borough of Hackney | Other | 1 | £0k | 0.0% | |
| Department for Environment Food & Rural Affairs | Other | 1 | £0k | 0.0% | |
| National Highways | Other | 3 | £0k | 0.0% | |
| Nuclear Restoration Services Limited | Other | 4 | £0k | 0.0% | |
| United Kingdom Atomic Energy Authority | Other | 3 | £0k | 0.0% | |
| Ministry of Defence | Other | 1 | £0k | 0.0% | |
| Belfast City Council | Other | 1 | £0k | 0.0% | |
| Network Rail Infrastructure Ltd | Other | 2 | £0k | 0.0% | |
| LCRCA | Other | 2 | £0k | 0.0% | |
| DWR CYMRU CYFYNGEDIG | Other | 1 | £0k | 0.0% | |
| Essex County Council | Other | 1 | £0k | 0.0% | |
| Strathclyde Partnership for Transport | Other | 3 | £0k | 0.0% | |
| The Education Alliance | Other | 20 | £0k | 0.0% | |
| Sellafield Limited | Other | 1 | £0k | 0.0% | |
| Aberdeenshire Council | Other | 1 | £0k | 0.0% | |
| UNITED UTILITIES WATER LIMITED | Other | 2 | £0k | 0.0% | |
| The Water Services Regulation Authority | Other | 1 | £0k | 0.0% | |
| SCOTTISH POWER UK PLC | Other | 1 | £0k | 0.0% | |
| WESSEX WATER SERVICES LIMITED | Other | 1 | £0k | 0.0% | |
| Northumbria University | Other | 1 | £0k | 0.0% | |
| ANGLIAN WATER SERVICES LIMITED | Other | 2 | £0k | 0.0% | |
| The Association of North East Councils Limited | Other | 1 | £0k | 0.0% | |
| The University of Northumbria at Newcastle | Other | 1 | £0k | 0.0% | |
| National Highways Limited | Other | 1 | £0k | 0.0% | |
| ENVIRONMENT AGENCY (Defra Network eTendering Portal) | Other | 1 | £0k | 0.0% | |
| Nuclear Waste Services Limited | Other | 4 | £0k | 0.0% | |
| Liverpool City Council | Other | 1 | £0k | 0.0% | |
| YORKSHIRE WATER SERVICES LIMITED | Other | 1 | £0k | 0.0% | |
| North Ayrshire Council | Other | 1 | £0k | 0.0% | |
| GREAT BRITISH ENERGY - NUCLEAR | Other | 1 | £0k | 0.0% | |
| Middlesbrough Council | Other | 1 | £0k | 0.0% | |
| KBS MARITIME LIMITED | Other | 1 | £0k | 0.0% | |
| DEPARTMENT FOR LEVELLING UP, HOUSING AND COMMUNITIES | Other | 1 | £0k | 0.0% | |
| Department for Transport | Other | 1 | £0k | 0.0% | |
| THAMES WATER UTILITIES LIMITED | Other | 1 | £0k | 0.0% | |
| South Tees Development Limited | Other | 1 | £0k | 0.0% | |
| Surrey County Council | Other | 4 | £0k | 0.0% | |
| Coventry City Council | Other | 1 | £0k | 0.0% | |
| Oxfordshire County Council | Other | 3 | £0k | 0.0% | |
| Embark Multi Academy Trust | Other | 1 | £0k | 0.0% | |
| SALIX FINANCE LTD | Other | 1 | £0k | 0.0% | |
| Liverpool City Region Combined Authority | Other | 1 | £0k | 0.0% | |
| Oxford City Council | Other | 1 | £0k | 0.0% | |