| Department of Health and Social Care (T&T) | Other | 1 | £43m | 19.0% | 2021-08-03 |
| CIRRUS PURCHASING LTD | Other | 1 | £42m | 18.5% | 2023-07-07 |
| Carmarthenshire County CouncilNew | Other | 10 | £36m | 16.0% | 2026-03-03 |
| Scottish Water | Other | 2 | £30m | 13.1% | 2021-01-31 |
| BBC (British Broadcasting Corporation)New | Other | 1 | £18m | 8.0% | 2026-02-24 |
| East Riding of Yorkshire CouncilNew | Other | 1 | £9m | 3.9% | 2025-05-29 |
| Pembrokeshire County CouncilNew | Other | 5 | £8m | 3.6% | 2026-05-12 |
| Luton Council | Other | 1 | £7m | 3.3% | 2020-05-12 |
| East of England Ambulance Service NHS Trust HeadquartersNew | Other | 3 | £6m | 2.7% | 2026-04-17 |
| Cumberland CouncilNew | Other | 3 | £4m | 1.8% | 2025-10-30 |
| Espo | Other | 38 | £3m | 1.5% | 2024-01-15 |
| N H S Shared Business Services | Other | 1 | £3m | 1.3% | 2024-02-27 |
| DERBY CITY COUNCIL | Other | 2 | £3m | 1.1% | 2022-08-09 |
| The Association of North East Councils Limited | Other | 3 | £2m | 0.9% | 2022-08-02 |
| Environment Agency | Other | 2 | £2m | 0.9% | 2025-01-31 |
| Lancashire County Council | Other | 5 | £1m | 0.6% | 2022-09-06 |
| Norse Eastern Ltd | Other | 7 | £908k | 0.4% | 2022-12-12 |
| South Tees Site Company Ltd | Other | 1 | £720k | 0.3% | 2021-09-02 |
| Bournemouth Christchurch and Poole Council | Other | 1 | £615k | 0.3% | 2023-01-23 |
| UK Health Security Agency | Other | 1 | £546k | 0.2% | 2021-11-05 |
| Tees Valley Combined AuthorityNew | Other | 1 | £520k | 0.2% | 2026-01-09 |
| North Yorkshire County Council | Other | 1 | £465k | 0.2% | 2021-04-28 |
| Scape Group Limited (trading as SCAPE) | Other | 2 | £400k | 0.2% | 2021-04-28 |
| Sandwell Metropolitan Borough Council | Other | 4 | £383k | 0.2% | 2026-03-20 |
| Belfast City CouncilNew | Other | 4 | £375k | 0.2% | 2025-10-30 |
| Gov Facility Services LtdNew | Other | 9 | £362k | 0.2% | 2026-05-08 |
| University Hospitals Birmingham NHS Foundation TrustNew | Other | 2 | £340k | 0.2% | 2026-04-29 |
| Dorset Council | Other | 1 | £323k | 0.1% | 2022-09-27 |
| Forestry England | Other | 2 | £285k | 0.1% | 2021-10-08 |
| Kirklees Council | Other | 1 | £230k | 0.1% | 2024-05-03 |
| Nottingham City Council | Other | 6 | £211k | 0.1% | 2025-11-07 |
| Ministry of Justice | Other | 1 | £186k | 0.1% | 2022-11-03 |
| Redcar and Cleveland Borough Council | Other | 2 | £180k | 0.1% | 2024-10-25 |
| East Riding of Yorkshire | Other | 2 | £178k | 0.1% | 2021-04-06 |
| Foreign Commonwealth and Development Office | Other | 2 | £145k | 0.1% | 2024-01-08 |
| Newcastle City Council | Other | 1 | £100k | 0.0% | 2021-03-30 |
| West Midlands Fire Service | Other | 1 | £90k | 0.0% | 2023-11-21 |
| London Ambulance Service NHS Trust | Other | 2 | £80k | 0.0% | 2022-04-10 |
| UNIVERSITY OF SOUTHAMPTON | Other | 1 | £60k | 0.0% | 2021-01-29 |
| Ministry of Defence | Other | 3 | £54k | 0.0% | 2024-07-09 |
| South Tyneside Borough CouncilNew | Other | 2 | £51k | 0.0% | 2026-03-11 |
| Manchester City Council | Other | 1 | £44k | 0.0% | 2023-10-10 |
| Leicestershire County CouncilNew | Other | 5 | £44k | 0.0% | 2025-09-01 |
| THE UNIVERSITY OF BIRMINGHAM | Other | 1 | £38k | 0.0% | 2020-03-13 |
| Walsall Healthcare NHS Trust | Other | 1 | £30k | 0.0% | 2021-04-13 |
| University of York | Other | 1 | £29k | 0.0% | 2022-06-23 |
| Historic England | Other | 1 | £29k | 0.0% | 2022-02-22 |
| Huntingdonshire District Council | Other | 1 | £27k | 0.0% | 2023-11-29 |
| Bristol City Council | Other | 2 | £16k | 0.0% | 2024-03-27 |
| Hartlepool Borough Council | Other | 1 | £16k | 0.0% | 2023-01-09 |
| Bradford Metropolitan District Council | Other | 1 | £11k | 0.0% | 2020-12-01 |
| Ipswich Borough Council | Other | 1 | £0k | 0.0% | 2024-04-03 |
| Westmorland and Furness CouncilNew | Other | 2 | £0k | 0.0% | 2026-04-21 |
| NORTHERN GAS NETWORKS LIMITEDNew | Other | 1 | £0k | 0.0% | 2026-03-09 |
| Nuneaton and Bedworth BC (NUN) | Other | 1 | £0k | 0.0% | 2024-04-04 |
| BIP SOLUTIONS LIMITED | Other | 1 | £0k | 0.0% | 2022-11-02 |
| Wigan Council | Other | 3 | £0k | 0.0% | 2021-11-12 |
| Dudley Metropolitan Borough Council | Other | 2 | £0k | 0.0% | 2021-10-29 |
| Keller Ltd | Other | 2 | £0k | 0.0% | 2021-07-02 |
| Borders College | Other | 1 | £0k | 0.0% | |
| Neath Port Talbot County Borough Council | Other | 6 | £0k | 0.0% | |
| Cumbria County Council | Other | 2 | £0k | 0.0% | |
| Hull City Council | Other | 1 | £0k | 0.0% | |
| Northumberland County Council | Other | 2 | £0k | 0.0% | |
| Antrim and Newtownabbey Borough Council | Other | 2 | £0k | 0.0% | |
| Legal, Democratic and Business Intelligence, Swansea Council, | Other | 4 | £0k | 0.0% | |
| SOUTH TEES SITE COMPANY LIMITED | Other | 1 | £0k | 0.0% | |
| City of Bradford Metropolitan District Council | Other | 6 | £0k | 0.0% | |
| SSE plc | Other | 1 | £0k | 0.0% | |
| Derbyshire County Council | Other | 12 | £0k | 0.0% | |
| YPO | Other | 5 | £0k | 0.0% | |
| Fife Council | Other | 2 | £0k | 0.0% | |
| North Ayrshire Council | Other | 3 | £0k | 0.0% | |
| Cirrus Consortium C/O Grand Union Housing Group | Other | 1 | £0k | 0.0% | |
| Kent County Council (t/a KCS) | Other | 3 | £0k | 0.0% | |
| NORTH TYNESIDE COUNCIL | Other | 2 | £0k | 0.0% | |
| East Ayrshire Council | Other | 2 | £0k | 0.0% | |
| NHS SHARED BUSINESS SERVICES LIMITED | Other | 4 | £0k | 0.0% | |
| Scotland Excel | Other | 11 | £0k | 0.0% | |
| West Midlands Combined Authority | Other | 1 | £0k | 0.0% | |
| Blaenau Gwent County Borough Council | Other | 4 | £0k | 0.0% | |
| Arc Property Services Partnership Ltd | Other | 1 | £0k | 0.0% | |
| City & County of Swansea | Other | 1 | £0k | 0.0% | |
| Kingdom Housing Association Limited | Other | 2 | £0k | 0.0% | |
| Falkirk Council | Other | 1 | £0k | 0.0% | |
| East Dunbartonshire Council | Other | 1 | £0k | 0.0% | |
| Leeds City Council | Other | 2 | £0k | 0.0% | |
| Monmouthshire County Council | Other | 2 | £0k | 0.0% | |
| Dumfries and Galloway Council | Other | 1 | £0k | 0.0% | |
| NY Highways Ltd | Other | 13 | £0k | 0.0% | |
| Adra (Tai) Cyf | Other | 1 | £0k | 0.0% | |
| PROCURE PLUS HOLDINGS LIMITED | Other | 1 | £0k | 0.0% | |
| NRW | Other | 1 | £0k | 0.0% | |
| Department for Environment Food & Rural Affairs | Other | 1 | £0k | 0.0% | |
| South Tyneside Council | Other | 1 | £0k | 0.0% | |
| The Minister for the Cabinet Office acting through Crown Commercial Service | Other | 3 | £0k | 0.0% | |
| Natural Resources Wales | Other | 1 | £0k | 0.0% | |
| West Midlands Fire and Rescue Authority | Other | 1 | £0k | 0.0% | |
| Bedford Borough Council | Other | 1 | £0k | 0.0% | |