| Foreign Commonwealth and Development Office | Other | 2 | £2.1bn | 91.7% | 2026-04-16 |
| Espo | Other | 26 | £38m | 1.7% | 2024-01-31 |
| Imperial War MuseumNew | Other | 2 | £36m | 1.6% | 2026-03-24 |
| Ministry of Justice | Other | 7 | £25m | 1.1% | 2024-02-28 |
| London Legacy Development CorporationNew | Other | 1 | £15m | 0.7% | 2026-03-27 |
| Parliament UK | Other | 4 | £11m | 0.5% | 2019-04-25 |
| Fusion21 Members Consortium | Other | 67 | £11m | 0.5% | 2025-09-02 |
| Surrey County Council | Other | 9 | £8m | 0.3% | 2021-07-20 |
| North of England Commercial Procurement Collaborative | Other | 1 | £5m | 0.2% | 2023-08-03 |
| HealthTrust Europe LLP (HTE) acting as agent for the University Hospitals of Coventry and Warwickshire NHS Trust (“UHCW”) | Other | 3 | £5m | 0.2% | 2019-12-20 |
| N H S Shared Business Services | Other | 1 | £3m | 0.1% | 2024-01-26 |
| West Suffolk Council | Other | 1 | £3m | 0.1% | 2021-06-23 |
| Sheffield City Council | Other | 1 | £2m | 0.1% | 2018-11-06 |
| Hull City CouncilNew | Other | 4 | £2m | 0.1% | 2026-02-04 |
| Department for Education | Other | 2 | £1m | 0.1% | 2024-01-18 |
| London Borough of Bromley | Other | 3 | £1m | 0.1% | 2024-02-20 |
| Cambridgeshire County Council | Other | 1 | £1m | 0.1% | 2019-06-27 |
| Chelmsford City Council | Other | 1 | £1m | 0.1% | 2016-07-12 |
| Stoke-on-Trent City Council | Other | 1 | £1m | 0.0% | 2020-02-10 |
| Royal Borough of Greenwich | Other | 4 | £1m | 0.0% | 2023-09-19 |
| Crown Commercial Service | Other | 2 | £1m | 0.0% | 2025-09-15 |
| Lancaster University | Other | 2 | £1m | 0.0% | 2017-04-07 |
| capitalEsourcing | Other | 2 | £933k | 0.0% | 2024-04-10 |
| Essex Police, Fire and Crime Commissioner Fire and Rescue Authority | Other | 4 | £903k | 0.0% | 2025-05-12 |
| Peterborough City Council | Other | 9 | £875k | 0.0% | 2025-06-20 |
| Queen Victoria Hospital NHS Foundation TrustNew | Other | 1 | £842k | 0.0% | 2025-01-01 |
| University of Leicester | Other | 1 | £703k | 0.0% | 2020-05-11 |
| London Borough of Hillingdon | Other | 2 | £690k | 0.0% | 2023-05-19 |
| City of York Council | Other | 2 | £622k | 0.0% | 2026-04-10 |
| Buckinghamshire Council | Other | 5 | £545k | 0.0% | 2024-10-15 |
| Coventry City CouncilNew | Other | 3 | £539k | 0.0% | 2025-06-11 |
| Loughborough University | Other | 5 | £526k | 0.0% | 2021-01-05 |
| Royal Borough of Kingston Upon Thames | Other | 4 | £497k | 0.0% | 2023-09-18 |
| Lewisham and Greenwich NHS TrustNew | Other | 1 | £475k | 0.0% | 2024-09-10 |
| Police and Crime Commissioner for Dyfed Powys | Other | 1 | £450k | 0.0% | 2016-03-14 |
| ASTON UNIVERSITY | Other | 1 | £391k | 0.0% | 2019-07-02 |
| Thames Valley Police | Other | 2 | £370k | 0.0% | 2022-07-08 |
| RESTORATION AND RENEWAL DELIVERY AUTHORITY LTD | Other | 1 | £360k | 0.0% | 2021-07-27 |
| BANK OF ENGLANDNew | Other | 2 | £354k | 0.0% | 2025-05-01 |
| Ministry of DefenceNew | Other | 3 | £296k | 0.0% | 2026-01-14 |
| DRIVER & VEHICLE LICENSING AGENCY | Other | 1 | £285k | 0.0% | 2020-10-13 |
| Central Bedfordshire Council | Other | 1 | £253k | 0.0% | 2018-01-29 |
| FUSION 21 LIMITED | Other | 1 | £235k | 0.0% | 2017-09-18 |
| PROCURE PLUS HOLDINGS LIMITED | Other | 1 | £234k | 0.0% | 2018-10-22 |
| NHS Property ServicesNew | Other | 4 | £232k | 0.0% | 2024-08-12 |
| Surrey Heath Borough CouncilNew | Other | 1 | £225k | 0.0% | 2025-06-06 |
| Leicester City Council | Other | 4 | £217k | 0.0% | 2024-06-25 |
| L&Q Construction | Other | 2 | £205k | 0.0% | 2020-03-02 |
| Walsall Metro Borough CouncilNew | Other | 1 | £200k | 0.0% | 2025-12-22 |
| West Suffolk College | Other | 1 | £197k | 0.0% | 2016-09-20 |
| London Fire Commissioner | Other | 1 | £190k | 0.0% | 2016-08-04 |
| CROYDON COUNCILNew | Other | 1 | £175k | 0.0% | 2024-09-30 |
| UK RESEARCH & INNOVATION | Other | 2 | £170k | 0.0% | 2024-01-24 |
| Greater Manchester Combined Authority - GMP | Other | 2 | £165k | 0.0% | 2025-04-11 |
| UNIVERSITY OF LANCASTER | Other | 1 | £161k | 0.0% | 2018-07-12 |
| Lancashire Constabulary | Other | 2 | £161k | 0.0% | 2026-03-15 |
| Chorley Council | Other | 2 | £154k | 0.0% | 2016-12-13 |
| South Kesteven District Council | Other | 3 | £143k | 0.0% | 2024-07-01 |
| The Queen Elizabeth Hospital King's Lynn NHS Foundation Trust | Other | 1 | £134k | 0.0% | 2021-11-28 |
| Science Museum Group | Other | 3 | £133k | 0.0% | 2019-12-02 |
| ENERGY SYSTEMS CATAPULT LIMITED | Other | 1 | £110k | 0.0% | 2017-05-04 |
| Burnley Borough CouncilNew | Other | 1 | £97k | 0.0% | 2025-01-31 |
| Bradford Teaching Hospitals NHS Foundation Trust | Other | 2 | £93k | 0.0% | 2025-03-18 |
| Whittington HealthNew | Other | 1 | £91k | 0.0% | 2025-09-17 |
| Cheshire West and Chester Council | Other | 1 | £90k | 0.0% | 2020-07-20 |
| Sandwell Metropolitan Borough Council | Other | 1 | £88k | 0.0% | 2024-04-22 |
| Midlands Partnership Foundation TrustNew | Other | 2 | £88k | 0.0% | 2025-09-12 |
| Homes England (the name adopted by the Homes and Communities Agency)New | Other | 1 | £86k | 0.0% | 2025-05-02 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 1 | £85k | 0.0% | 2020-10-23 |
| Oxfordshire County CouncilNew | Other | 1 | £85k | 0.0% | 2024-09-30 |
| Defence Infrastructure Organisation | Other | 1 | £85k | 0.0% | 2021-05-01 |
| Wolverhampton City Council | Other | 4 | £82k | 0.0% | 2024-03-06 |
| Harlow District Council | Other | 1 | £75k | 0.0% | 2016-01-19 |
| National Audit Office | Other | 2 | £70k | 0.0% | 2024-03-22 |
| West Suffolk NHS Foundation Trust | Other | 2 | £63k | 0.0% | 2024-02-09 |
| Nottingham Trent University | Other | 1 | £62k | 0.0% | 2017-07-31 |
| Police, Fire & Crime Commissioner for StaffordshireNew | Other | 1 | £60k | 0.0% | 2025-10-16 |
| Leicestershire County Council | Other | 1 | £57k | 0.0% | 2021-12-30 |
| Barnsley Hospital NHS Foundation Trust | Other | 1 | £50k | 0.0% | 2023-06-23 |
| Watford Borough Council | Other | 1 | £50k | 0.0% | 2016-08-19 |
| Preston City Council | Other | 1 | £45k | 0.0% | 2024-02-01 |
| Erewash Borough Council | Other | 1 | £40k | 0.0% | 2022-01-17 |
| Leicestershire Partnership NHS TrustNew | Other | 1 | £38k | 0.0% | 2025-09-22 |
| Leeds City CouncilNew | Other | 1 | £35k | 0.0% | 2024-08-16 |
| Corporate Officer of the House of LordsNew | Other | 1 | £23k | 0.0% | 2024-11-05 |
| Wirral Borough Council | Other | 1 | £23k | 0.0% | 2016-06-22 |
| Ofgem | Other | 1 | £17k | 0.0% | 2018-06-01 |
| RUGBY BOROUGH COUNCIL | Other | 1 | £17k | 0.0% | 2023-01-26 |
| DEFRA | Other | 1 | £13k | 0.0% | 2021-10-08 |
| Department for Transport | Other | 1 | £10k | 0.0% | 2016-02-02 |
| UNIVERSITY OF SALFORD(THE)New | Other | 1 | £8k | 0.0% | 2026-04-09 |
| Leicestershire County Council, trading as ESPONew | Other | 16 | £0k | 0.0% | 2026-01-08 |
| THE UNIVERSITY OF BIRMINGHAMNew | Other | 1 | £0k | 0.0% | 2025-12-08 |
| Pagabo | Other | 1 | £0k | 0.0% | 2024-04-12 |
| Ebbsfleet Development Corporation | Other | 1 | £0k | 0.0% | 2023-11-03 |
| SE Shared Services | Other | 1 | £0k | 0.0% | 2017-07-10 |
| Coventry University | Other | 1 | £0k | 0.0% | 2017-04-11 |
| University of Worcester | Other | 1 | £0k | 0.0% | 2016-07-28 |
| Trust Housing Association Ltd | Other | 2 | £0k | 0.0% | |
| Corporate Officer of the House of Commons | Other | 1 | £0k | 0.0% | |
| Westminster City Council | Other | 1 | £0k | 0.0% | |
| University of Lincoln | Other | 1 | £0k | 0.0% | |
| University of the Highlands and Islands | Other | 1 | £0k | 0.0% | |
| Scotland Excel | Other | 10 | £0k | 0.0% | |
| Red Kite Learning Trust | Other | 1 | £0k | 0.0% | |
| The Education Alliance | Other | 7 | £0k | 0.0% | |
| NSS Health Facilities Scotland | Other | 1 | £0k | 0.0% | |
| North of England Commercial Procurement Collaborative (NOE CPC) (hosted by and acting through Leeds and York Partnership NHS Foundation Trust.) | Other | 8 | £0k | 0.0% | |
| Northern Trains Limited | Other | 1 | £0k | 0.0% | |
| Carmarthenshire County Council | Other | 1 | £0k | 0.0% | |
| UK Research & Innovation | Other | 2 | £0k | 0.0% | |
| Scape Procure Limited | Other | 1 | £0k | 0.0% | |
| SSE plc | Other | 1 | £0k | 0.0% | |
| Framework Commission for Architectural, Surveying, Principal Designer and Lead Professional Services on the Historic England Estate | Other | 1 | £0k | 0.0% | |
| Prifysgol Bangor / Bangor University | Other | 1 | £0k | 0.0% | |
| Scottish Police Authority | Other | 6 | £0k | 0.0% | |
| LHC | Other | 2 | £0k | 0.0% | |
| SCOTIA GAS NETWORKS LIMITED | Other | 1 | £0k | 0.0% | |
| UK Research and Innovation (UKRI) | Other | 1 | £0k | 0.0% | |
| Aberdeen City Council | Other | 1 | £0k | 0.0% | |
| Office of the Sussex Police & Crime Commissioner | Other | 1 | £0k | 0.0% | |