| Ministry of Justice | Other | 12 | £421m | 44.1% | 2026-02-09 |
| Department for Work & Pensions | Other | 7 | £105m | 11.0% | 2025-02-14 |
| Home Office | Other | 29 | £82m | 8.6% | 2026-04-01 |
| DEFRA | Other | 8 | £54m | 5.6% | 2022-11-10 |
| NHS England | Other | 1 | £45m | 4.7% | 2022-02-04 |
| The Department for Business, Energy and Industrial Strategy (BEIS) | Other | 2 | £43m | 4.5% | 2020-11-19 |
| Transport for London | Other | 4 | £29m | 3.0% | 2023-10-16 |
| Foreign Commonwealth and Development Office | Other | 8 | £15m | 1.6% | 2025-06-16 |
| NHS Blood and Transplant (NHSBT) | Other | 3 | £11m | 1.1% | 2026-04-13 |
| Nhs Blood & Transplant | Other | 2 | £10m | 1.1% | 2016-02-21 |
| Disclosure and Barring Service | Other | 3 | £10m | 1.1% | 2022-04-01 |
| National Highways | Other | 2 | £8m | 0.9% | 2022-09-13 |
| WM5G LIMITEDNew | Other | 2 | £8m | 0.8% | 2026-01-21 |
| Care Quality Commission | Other | 12 | £6m | 0.7% | 2025-06-20 |
| DVSA - Driver and Vehicle Standards Agency | Other | 1 | £5m | 0.5% | 2024-04-11 |
| Department for Education | Other | 5 | £4m | 0.4% | 2023-01-18 |
| Joint Procurement Service for Surrey and Sussex Police | Other | 2 | £4m | 0.4% | 2021-02-01 |
| Sheffield City CouncilNew | Other | 1 | £3m | 0.3% | 2026-01-08 |
| HM Revenue & Customs | Other | 2 | £3m | 0.3% | 2017-03-15 |
| Government Commercial AgencyNew | Other | 1 | £3m | 0.3% | 2026-04-01 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 2 | £3m | 0.3% | 2025-08-11 |
| Ambulance Radio Programme (ARP)New | Other | 2 | £3m | 0.3% | 2024-12-31 |
| NHS Blood & TransplantNew | Other | 1 | £3m | 0.3% | 2025-03-27 |
| Department for Culture, Media and Sport | Other | 2 | £3m | 0.3% | 2021-05-21 |
| Bristol City Council | Other | 7 | £3m | 0.3% | 2023-06-27 |
| Public Health England | Other | 1 | £3m | 0.3% | 2020-02-17 |
| West Northamptonshire Council | Other | 3 | £2m | 0.3% | 2025-07-30 |
| Lincolnshire County Council | Other | 4 | £2m | 0.2% | 2024-10-31 |
| British Transport Police | Other | 4 | £2m | 0.2% | 2024-02-15 |
| Crown Commercial Service | Other | 6 | £2m | 0.2% | 2022-03-15 |
| FCDO Services | Other | 20 | £2m | 0.2% | 2025-03-30 |
| Your Housing Group | Other | 1 | £2m | 0.2% | 2018-10-22 |
| Stockton on Tees Borough CouncilNew | Other | 2 | £2m | 0.2% | 2025-01-30 |
| NHS Blood and Transplant (Filton, Bristol)New | Other | 1 | £2m | 0.2% | 2026-02-16 |
| Greater Manchester Combined Authority - Greater Manchester Police | Other | 3 | £2m | 0.2% | 2024-03-29 |
| DERBYSHIRE COMMUNITY HEALTH SERVICES NHS FOUNDATION TRUST | Other | 3 | £2m | 0.2% | 2025-06-06 |
| ATAMIS LTD | Other | 3 | £2m | 0.2% | 2021-11-05 |
| DERBY CITY COUNCIL | Other | 3 | £1m | 0.2% | 2025-01-31 |
| Plymouth City Council | Other | 4 | £1m | 0.2% | 2024-06-03 |
| Sanctuary Housing Association | Other | 2 | £1m | 0.1% | 2024-07-01 |
| Coventry City Council | Other | 4 | £1m | 0.1% | 2024-12-10 |
| South Yorkshire Police and Crime Commissioner | Other | 3 | £1m | 0.1% | 2022-01-21 |
| Bournemouth Christchurch and Poole Council | Other | 3 | £1m | 0.1% | 2024-10-11 |
| Knowsley Council | Other | 2 | £1m | 0.1% | 2023-09-12 |
| London Ambulance Service NHS Trust | Other | 6 | £1m | 0.1% | 2025-03-17 |
| Barnsley Metropolitan Borough Council | Other | 3 | £1m | 0.1% | 2025-05-19 |
| High Speed Two (HS2) Limited | Other | 2 | £1m | 0.1% | 2017-03-31 |
| HS2 | Other | 7 | £1m | 0.1% | 2025-03-14 |
| Maritime & Coastguard Agency | Other | 17 | £1m | 0.1% | 2018-02-26 |
| Southend-on-sea Borough Council | Other | 3 | £934k | 0.1% | 2025-04-25 |
| Yeovil District Hospital NHS Foundation Trust | Other | 1 | £880k | 0.1% | 2017-04-10 |
| Peabody TrustNew | Other | 1 | £869k | 0.1% | 2024-12-10 |
| University Hospitals Birmingham NHS Foundation Trust | Other | 2 | £819k | 0.1% | 2025-06-10 |
| Department of Health and Social Care (T&T) | Other | 2 | £816k | 0.1% | 2020-12-17 |
| Sovini Ltd | Other | 2 | £750k | 0.1% | 2023-05-22 |
| Thirteen Housing Group Limited | Other | 1 | £746k | 0.1% | 2018-05-22 |
| Ministry of Defence | Other | 6 | £733k | 0.1% | 2023-06-08 |
| Norfolk and Norwich University Hospitals NHS Foundation Trust | Other | 2 | £701k | 0.1% | 2023-06-01 |
| The Council of the Borough of Bournemouth | Other | 1 | £663k | 0.1% | 2017-05-17 |
| Department of Health and Social Care (T&T) | Other | 1 | £625k | 0.1% | 2021-09-10 |
| Valuation Office Agency | Other | 3 | £618k | 0.1% | 2020-05-04 |
| North East Lincolnshire Council | Other | 3 | £585k | 0.1% | 2026-03-10 |
| Royal Borough of Kingston Upon Thames | Other | 2 | £578k | 0.1% | 2024-12-14 |
| Bradford District Care Trust HQ | Other | 1 | £562k | 0.1% | 2020-09-22 |
| South Yorkshire Police Headquarters | Other | 2 | £556k | 0.1% | 2026-03-09 |
| CPSNew | Other | 1 | £547k | 0.1% | 2025-04-03 |
| Police and Crime Commissioner for Lincolnshire | Other | 7 | £534k | 0.1% | 2023-08-15 |
| The Riverside Group | Other | 1 | £518k | 0.1% | 2023-01-03 |
| Buckinghamshire Council | Other | 1 | £507k | 0.1% | 2022-09-25 |
| DVLA | Other | 2 | £495k | 0.1% | 2016-07-04 |
| Sunderland City Council | Other | 3 | £493k | 0.1% | 2022-11-28 |
| Lewisham and Greenwich NHS Trust | Other | 1 | £486k | 0.1% | 2024-05-07 |
| Office for National Statistics | Other | 2 | £484k | 0.1% | 2020-12-17 |
| Frimley Health NHS Foundation Trust | Other | 2 | £459k | 0.0% | 2025-09-03 |
| Government Digital Service | Other | 2 | £453k | 0.0% | 2019-04-15 |
| Wakefield and District Housing limited | Other | 2 | £446k | 0.0% | 2022-04-18 |
| Torus62 LimitedNew | Other | 1 | £445k | 0.0% | 2026-01-08 |
| UNIVERSITY OF SHEFFIELD | Other | 6 | £445k | 0.0% | 2022-03-14 |
| One Housing Group | Other | 1 | £422k | 0.0% | 2019-05-23 |
| United Lincolnshire Hospitals NHS Trust | Other | 1 | £402k | 0.0% | 2023-01-20 |
| Southampton City Council | Other | 1 | £369k | 0.0% | 2018-04-30 |
| NHS SOUTH, CENTRAL AND WEST COMMISSIONING SUPPORT UNITNew | Other | 2 | £367k | 0.0% | 2025-11-14 |
| Department for International Trade | Other | 5 | £360k | 0.0% | 2023-06-30 |
| Leeds Beckett University | Other | 2 | £342k | 0.0% | 2024-04-15 |
| GREATER MANCHESTER WEST MENTAL HEALTH NHS FOUNDATION TRUST | Other | 1 | £340k | 0.0% | 2017-03-01 |
| CHESHIRE EAST COUNCIL | Other | 3 | £329k | 0.0% | 2024-07-02 |
| SERIOUS FRAUD OFFICE | Other | 4 | £324k | 0.0% | 2026-01-13 |
| Sport England | Other | 1 | £313k | 0.0% | 2019-01-03 |
| MERSEY & WEST LANCASHIRE TEACHING HOSPITALS NHS TRUST | Other | 1 | £305k | 0.0% | 2023-12-22 |
| Cafcass | Other | 1 | £293k | 0.0% | 2021-06-29 |
| Greater Manchester Combined Authority - GMPNew | Other | 5 | £291k | 0.0% | 2026-04-02 |
| British Business Bank | Other | 2 | £263k | 0.0% | 2021-01-14 |
| Notting Hill Genesis | Other | 2 | £263k | 0.0% | 2024-04-08 |
| East Midlands Ambulance Service NHS Trust | Other | 1 | £255k | 0.0% | 2018-11-29 |
| Bath and Northeast Somerset, Swindon and Wiltshire STP | Other | 1 | £246k | 0.0% | 2021-12-07 |
| DfTc - Department for Transport | Other | 1 | £237k | 0.0% | 2020-06-30 |
| Lancaster City Council | Other | 3 | £236k | 0.0% | 2018-05-02 |
| London Borough of HackneyNew | Other | 1 | £236k | 0.0% | 2024-06-25 |
| Coventry University | Other | 4 | £231k | 0.0% | 2024-10-13 |
| London Ambulance Service | Other | 1 | £222k | 0.0% | 2023-03-08 |
| National Highways Limited | Other | 3 | £211k | 0.0% | 2018-03-15 |
| Manchester Metropolitan University | Other | 1 | £210k | 0.0% | 2022-02-28 |
| Hertfordshire County CouncilNew | Other | 1 | £200k | 0.0% | 2024-10-01 |
| Blackpool Council | Other | 1 | £200k | 0.0% | 2022-04-11 |
| A2Dominion Housing Group Ltd (A2D) | Other | 1 | £200k | 0.0% | 2016-01-05 |
| TEES ESK & WEAR VALLEYS NHS TRUST | Other | 1 | £198k | 0.0% | 2023-12-14 |
| London Borough of Merton | Other | 1 | £192k | 0.0% | 2023-10-24 |
| COLLEGE OF POLICING LIMITED | Other | 4 | £187k | 0.0% | 2025-02-07 |
| London Borough of Sutton | Other | 2 | £187k | 0.0% | 2021-07-30 |
| Medicines and Healthcare Products Regulatory Agency | Other | 2 | £184k | 0.0% | 2018-06-17 |
| University of Sunderland | Other | 1 | £184k | 0.0% | 2022-12-14 |
| ST HELENS & KNOWSLEY TEACHING HOSPITALS NHS TRUST | Other | 1 | £176k | 0.0% | 2023-01-31 |
| Cabinet Office | Other | 2 | £165k | 0.0% | 2025-07-10 |
| North West London Clinical Commissioning Group | Other | 1 | £164k | 0.0% | 2022-04-01 |
| MHRA | Other | 2 | £163k | 0.0% | 2019-06-05 |
| NHS Property Services LimitedNew | Other | 1 | £158k | 0.0% | 2025-03-24 |
| Yorkshire and Humber Police Procurement (Y&HPP)New | Other | 1 | £158k | 0.0% | 2024-07-02 |
| NCG Corporation | Other | 1 | £153k | 0.0% | 2017-01-05 |
| NHS SBS | Other | 1 | £147k | 0.0% | 2020-12-01 |
| MCA - Maritime and Coastguard Agency | Other | 2 | £144k | 0.0% | 2024-12-02 |
| National Audit Office | Other | 3 | £140k | 0.0% | 2026-03-26 |
| The Water Services Regulation Authority | Other | 2 | £137k | 0.0% | 2021-03-08 |
| Welland Procurement Unit | Other | 2 | £135k | 0.0% | 2024-06-01 |
| NHS Business Services (North East) | Other | 1 | £133k | 0.0% | 2022-01-14 |
| The Insolvency Service | Other | 1 | £130k | 0.0% | 2017-06-01 |
| Nottinghamshire Police Force | Other | 2 | £129k | 0.0% | 2018-09-30 |
| Intellectual Property Office | Other | 3 | £123k | 0.0% | 2021-03-26 |
| The Pensions Regulator | Other | 2 | £122k | 0.0% | 2026-03-11 |
| Liverpool City Council | Other | 3 | £111k | 0.0% | 2022-03-29 |
| VICO HOMES LIMITEDNew | Other | 1 | £111k | 0.0% | 2025-06-18 |
| Hull University Teaching Hospitals NHS Trust | Other | 1 | £111k | 0.0% | 2023-08-14 |
| First Ark Group/ Knowsley Housing Trust | Other | 1 | £110k | 0.0% | 2020-01-16 |
| North Somerset Council | Other | 1 | £105k | 0.0% | 2022-08-01 |
| The Queen Elizabeth Hospital King's Lynn NHS Foundation Trust | Other | 1 | £103k | 0.0% | 2022-03-22 |
| City of Bradford Metropolitan District Council | Other | 1 | £101k | 0.0% | 2023-02-27 |
| South Tyneside CouncilNew | Other | 1 | £100k | 0.0% | 2025-09-05 |
| Warwickshire Police | Other | 1 | £99k | 0.0% | 2020-11-30 |
| West Berkshire Council | Other | 1 | £99k | 0.0% | 2023-07-01 |
| UNIVERSITY OF GLOUCESTERSHIRE | Other | 1 | £97k | 0.0% | 2022-06-15 |
| GREATER MANCHESTER EDUCATION TRUST | Other | 1 | £95k | 0.0% | 2023-10-01 |
| Norwich City Council | Other | 1 | £92k | 0.0% | 2023-11-16 |
| Competition and Markets Authority | Other | 1 | £85k | 0.0% | 2022-12-19 |
| Rotherham Metropolitan Borough CouncilNew | Other | 1 | £83k | 0.0% | 2026-01-03 |
| UNIVERSITY OF SOUTHAMPTON | Other | 1 | £82k | 0.0% | 2024-02-01 |
| Lincolnshire Partnership NHS Foundation TrustNew | Other | 1 | £81k | 0.0% | 2025-06-05 |
| Nottingham City Council | Other | 1 | £81k | 0.0% | 2024-03-04 |
| UKHSA | Other | 1 | £80k | 0.0% | 2021-12-06 |
| Southend University Hospital NHS Foundation Trust | Other | 2 | £80k | 0.0% | 2019-07-04 |
| HISTORIC ENGLAND LIMITEDNew | Other | 1 | £79k | 0.0% | 2024-10-01 |
| Wirral Council | Other | 1 | £79k | 0.0% | 2023-12-18 |
| BIP SOLUTIONS LIMITED | Other | 1 | £77k | 0.0% | 2023-01-16 |
| County Durham and Darlington NHS Foundation TrustNew | Other | 1 | £73k | 0.0% | 2025-03-25 |
| Hull & East Yorkshire Hospitals Nhs Trust | Other | 1 | £70k | 0.0% | 2017-06-29 |
| Cheshire Constabulary on behalf of the Police and Crime Commissioner for CheshireNew | Other | 2 | £70k | 0.0% | 2026-03-16 |
| South Tees Hospitals NHS Foundation TrustNew | Other | 1 | £68k | 0.0% | 2025-02-28 |
| Lancashire County CouncilNew | Other | 1 | £64k | 0.0% | 2026-03-03 |
| Leicestershire PoliceNew | Other | 1 | £63k | 0.0% | 2026-01-13 |
| Activate Learning | Other | 1 | £61k | 0.0% | 2020-01-23 |
| Leeds City Council | Other | 1 | £57k | 0.0% | 2017-07-03 |
| Independent Office for Police Conduct | Other | 1 | £54k | 0.0% | 2021-02-09 |
| Hertfordshire NHS Procurement | Other | 1 | £50k | 0.0% | 2021-09-06 |
| Royal Botanic Gardens | Other | 1 | £50k | 0.0% | 2017-07-31 |
| Redcar and Cleveland Borough Council | Other | 1 | £46k | 0.0% | 2017-09-28 |
| North Lincolnshire CouncilNew | Other | 1 | £44k | 0.0% | 2025-08-20 |
| Staffordshire Police | Other | 1 | £44k | 0.0% | 2017-01-31 |
| Pension Protection Fund | Other | 1 | £42k | 0.0% | 2021-08-01 |
| HIGHTOWN HOUSING ASSOCIATION LIMITEDNew | Other | 1 | £42k | 0.0% | 2025-03-10 |
| Torbay Council | Other | 1 | £42k | 0.0% | 2023-09-30 |
| Construction Industry Training BoardNew | Other | 1 | £41k | 0.0% | 2024-11-27 |
| NEWCASTLE COLLEGE GROUPNew | Other | 1 | £40k | 0.0% | 2024-12-19 |
| UNIVERSITY OF SUSSEX(THE)New | Other | 1 | £39k | 0.0% | 2024-06-10 |
| North Devon District Council | Other | 1 | £37k | 0.0% | 2022-03-18 |
| BRUNEL UNIVERSITY LONDONNew | Other | 1 | £35k | 0.0% | 2024-06-22 |
| Cambridgeshire Constabulary | Other | 1 | £34k | 0.0% | 2018-08-31 |
| Surrey and Borders Partnership NHS Foundation Trust | Other | 1 | £34k | 0.0% | 2019-06-03 |
| Central Bedfordshire Council | Other | 1 | £32k | 0.0% | 2021-11-11 |
| Northern Lighthouse BoardNew | Other | 1 | £32k | 0.0% | 2024-09-23 |
| Derbyshire Support and Facilities Services | Other | 1 | £32k | 0.0% | 2019-12-12 |
| NHS BSA Supply Chain Management | Other | 1 | £32k | 0.0% | 2021-12-21 |
| Crawley Borough CouncilNew | Other | 1 | £30k | 0.0% | 2026-02-01 |
| Met Office | Other | 1 | £29k | 0.0% | 2024-05-23 |
| Fylde Borough Council | Other | 1 | £28k | 0.0% | 2023-01-23 |
| IPO | Other | 1 | £28k | 0.0% | 2023-08-16 |
| United Lincolnshire Teaching Hospitals NHS TrustNew | Other | 1 | £28k | 0.0% | 2025-06-06 |
| Bath and North East Somerset Council | Other | 1 | £27k | 0.0% | 2017-04-27 |
| UNIVERSITY OF EAST ANGLIANew | Other | 1 | £27k | 0.0% | 2025-04-02 |
| NHS LINCOLNSHIRE INTEGRATED CARE BOARDNew | Other | 1 | £26k | 0.0% | 2025-03-14 |
| UNIVERSITY OF DERBY | Other | 1 | £25k | 0.0% | 2023-11-28 |
| Halton Borough Council | Other | 3 | £25k | 0.0% | 2025-01-11 |
| Ofqual | Other | 1 | £24k | 0.0% | 2022-12-16 |
| O F W A T | Other | 1 | £23k | 0.0% | 2024-02-23 |
| VELOCITY 400 LIMITED | Other | 1 | £22k | 0.0% | 2016-11-22 |
| UK Health Security AgencyNew | Other | 1 | £21k | 0.0% | 2026-05-01 |
| Department of Health & Social Care | Other | 1 | £20k | 0.0% | 2020-11-30 |
| UK Debt Management Office | Other | 1 | £20k | 0.0% | 2022-08-10 |
| Richmondshire District Council | Other | 1 | £16k | 0.0% | 2017-05-31 |
| Erewash Borough Council | Other | 1 | £15k | 0.0% | 2017-05-31 |
| West Yorkshire Combined AuthorityNew | Other | 1 | £13k | 0.0% | 2026-02-24 |
| NPOCC | Other | 2 | £3k | 0.0% | 2020-03-13 |
| Northern Ireland Electricity Networks LimitedNew | Other | 4 | £0k | 0.0% | 2026-03-23 |
| Walsall Council e-TenderingNew | Other | 1 | £0k | 0.0% | 2024-09-30 |
| West Midlands Growth Company Ltd e-TenderingNew | Other | 1 | £0k | 0.0% | 2024-08-01 |
| Northumbria Police | Other | 1 | £0k | 0.0% | 2018-04-23 |
| NOE CPC | Other | 1 | £0k | 0.0% | 2018-02-05 |
| BFI | Other | 1 | £0k | 0.0% | 2017-04-13 |
| Durham County Council | Other | 1 | £0k | 0.0% | 2016-11-30 |
| Sandwell Metropolitan Borough Council | Other | 1 | £0k | 0.0% | 2016-03-03 |
| The Minister for the Cabinet Office acting through Crown Commercial Service | Other | 1 | £0k | 0.0% | |
| NORTHERN GAS NETWORKS LIMITED | Other | 3 | £0k | 0.0% | |
| ORWELL HOUSING ASSOCIATION LIMITED | Other | 1 | £0k | 0.0% | |
| West Midlands Ambulance Service | Other | 1 | £0k | 0.0% | |
| Scottish Government | Other | 1 | £0k | 0.0% | |
| GOVERNMENT PROPERTY AGENCY | Other | 1 | £0k | 0.0% | |
| TORBAY AND SOUTH DEVON NHS FOUNDATION TRUST | Other | 1 | £0k | 0.0% | |
| Sheffield Hallam University | Other | 1 | £0k | 0.0% | |
| Fife Council | Other | 1 | £0k | 0.0% | |
| Driver and Vehicle Standards Agency | Other | 1 | £0k | 0.0% | |
| NHS Sussex ICB | Other | 1 | £0k | 0.0% | |
| National Physical Laboratory | Other | 1 | £0k | 0.0% | |
| Gloucestershire County Council | Other | 1 | £0k | 0.0% | |
| SONI Ltd | Other | 1 | £0k | 0.0% | |
| Plus Dane Housing Limited | Other | 1 | £0k | 0.0% | |
| Kerry Hunter | Other | 1 | £0k | 0.0% | |
| Business Services Organisation I T S | Other | 1 | £0k | 0.0% | |
| Northern Health and Social Care Trust | Other | 1 | £0k | 0.0% | |
| WIRRAL COMMUNITY HEALTH AND CARE NHS FOUNDATION TRUST | Other | 1 | £0k | 0.0% | |
| Southend-on-Sea City Council | Other | 1 | £0k | 0.0% | |
| Northumbria Healthcare NHS Foundation Trust | Other | 1 | £0k | 0.0% | |
| CADENT GAS LIMITED | Other | 1 | £0k | 0.0% | |
| Welsh Government | Other | 1 | £0k | 0.0% | |
| Police and Crime Commissioner for Lancashire | Other | 1 | £0k | 0.0% | |
| Dover District Council | Other | 1 | £0k | 0.0% | |
| Homerton University Hospital NHS Foundation Trust | Other | 1 | £0k | 0.0% | |