| Government Commercial AgencyNew | Other | 2 | £1.5bn | 53.0% | 2026-01-26 |
| BLUELIGHT COMMERCIAL LIMITED | Other | 1 | £606m | 21.4% | 2024-01-15 |
| Lancashire Police Authority : Lancashire Police Authority | Other | 1 | £500m | 17.7% | 2019-03-13 |
| Essex County Council | Other | 2 | £37m | 1.3% | 2024-02-01 |
| Hampshire County Council | Other | 5 | £19m | 0.7% | 2023-01-31 |
| National HighwaysNew | Other | 1 | £13m | 0.5% | 2025-07-15 |
| Lancashire Constabulary | Other | 1 | £9m | 0.3% | 2024-03-01 |
| East Midlands Ambulance Service NHS Trust | Other | 1 | £8m | 0.3% | 2024-04-09 |
| Crown Commercial Service | Other | 2 | £7m | 0.2% | 2025-05-08 |
| North Yorkshire County Council | Other | 5 | £6m | 0.2% | 2024-05-23 |
| South Yorkshire Police Headquarters | Other | 1 | £6m | 0.2% | 2019-03-03 |
| London Ambulance Service NHS Trust | Other | 2 | £6m | 0.2% | 2025-03-24 |
| South East Coast Ambulance Service NHS Foundation Trust | Other | 2 | £6m | 0.2% | 2026-03-12 |
| North Yorkshire Police | Other | 1 | £5m | 0.2% | 2024-03-22 |
| Durham County Council | Other | 3 | £5m | 0.2% | 2024-06-20 |
| Derbyshire County Council | Other | 1 | £4m | 0.1% | 2024-03-19 |
| Forestry Commission | Other | 1 | £4m | 0.1% | 2023-04-21 |
| Gwent Constabulary | Other | 1 | £4m | 0.1% | 2019-07-24 |
| Bolton Metropolitan Borough Council | Other | 1 | £4m | 0.1% | 2019-08-16 |
| Lincolnshire County Council | Other | 2 | £4m | 0.1% | 2023-01-19 |
| Wakefield and District Housing limited | Other | 1 | £3m | 0.1% | 2024-01-04 |
| West Sussex County Council | Other | 2 | £3m | 0.1% | 2024-02-20 |
| Leicestershire Police | Other | 1 | £3m | 0.1% | 2019-03-15 |
| Hertfordshire ConstabularyNew | Other | 1 | £3m | 0.1% | 2026-01-23 |
| Lancashire County Council | Other | 1 | £3m | 0.1% | 2023-03-20 |
| Wakefield and District Housing | Other | 1 | £3m | 0.1% | 2020-02-27 |
| FCDO Services | Other | 10 | £2m | 0.1% | 2023-01-18 |
| Police and Crime Commissioner for Lincolnshire | Other | 5 | £2m | 0.1% | 2026-03-04 |
| H M REVENUE & CUSTOMSNew | Other | 1 | £2m | 0.1% | 2024-12-19 |
| City of Doncaster Council | Other | 1 | £2m | 0.1% | 2024-03-25 |
| Northern Ireland Housing Executive | Other | 1 | £2m | 0.1% | 2024-03-04 |
| Bristol Waste Company | Other | 1 | £2m | 0.1% | 2016-04-11 |
| Devon and Somerset Fire and Rescue Authority | Other | 1 | £2m | 0.1% | 2024-01-04 |
| DVSA - Driver and Vehicle Standards Agency | Other | 1 | £2m | 0.1% | 2022-03-15 |
| NHS Blood and Transplant (NHSBT) | Other | 1 | £2m | 0.1% | 2023-06-26 |
| NHS Property Services LimitedNew | Other | 1 | £2m | 0.1% | 2026-03-02 |
| Southern HousingNew | Other | 1 | £2m | 0.1% | 2026-02-13 |
| Chesterfield Borough Council | Other | 1 | £2m | 0.1% | 2023-01-30 |
| Warwickshire Police | Other | 1 | £2m | 0.1% | 2024-02-13 |
| Staffordshire County Council | Other | 4 | £2m | 0.1% | 2022-11-17 |
| Flagship Housing Group | Other | 2 | £2m | 0.1% | 2024-02-08 |
| Somerset County Council | Other | 1 | £1m | 0.0% | 2020-06-03 |
| DfTc - Department for Transport | Other | 2 | £1m | 0.0% | 2023-09-26 |
| Wiltshire Fire And Rescue Service | Other | 1 | £1m | 0.0% | 2024-02-23 |
| Ministry of Defence | Other | 1 | £1m | 0.0% | 2018-10-16 |
| CHESHIRE EAST COUNCIL | Other | 3 | £1m | 0.0% | 2024-03-05 |
| Department for Work & Pensions | Other | 2 | £1m | 0.0% | 2023-03-21 |
| Cheshire West and Chester Council | Other | 2 | £1m | 0.0% | 2023-08-21 |
| DERBY CITY COUNCIL | Other | 3 | £1m | 0.0% | 2020-03-13 |
| West Yorkshire Fire and Rescue Authority | Other | 1 | £1m | 0.0% | 2024-01-31 |
| St Leger Homes of Doncaster Limited | Other | 1 | £967k | 0.0% | 2017-11-17 |
| TOGETHER HOUSING GROUP LIMITED | Other | 1 | £925k | 0.0% | 2022-08-01 |
| Hertfordshire County CouncilNew | Other | 1 | £900k | 0.0% | 2024-12-11 |
| Magenta Living | Other | 4 | £890k | 0.0% | 2021-08-31 |
| North Yorkshire Fire & Rescue Service | Other | 1 | £875k | 0.0% | 2024-03-19 |
| Devon & Somerset Fire & Rescue Service | Other | 1 | £855k | 0.0% | 2019-02-10 |
| North Northamptonshire Council | Other | 2 | £808k | 0.0% | 2025-07-23 |
| Berneslai Homes Limited | Other | 1 | £800k | 0.0% | 2018-10-08 |
| Cumbria County Council | Other | 1 | £800k | 0.0% | 2016-04-01 |
| Merseyside Fire and Rescue Authority | Other | 1 | £678k | 0.0% | 2023-03-27 |
| Cheshire Constabulary on behalf of the Police and Crime Commissioner for Cheshire | Other | 2 | £600k | 0.0% | 2024-01-18 |
| Flagship Housing Group Limited : Flagship Housing Group Limited | Other | 1 | £600k | 0.0% | 2021-02-05 |
| ATAMIS LTD | Other | 1 | £600k | 0.0% | 2019-12-10 |
| Ministry of Justice | Other | 4 | £592k | 0.0% | 2024-05-13 |
| HM Revenue & Customs | Other | 1 | £586k | 0.0% | 2020-07-13 |
| East Sussex County Council | Other | 1 | £560k | 0.0% | 2024-02-15 |
| Southampton City Council | Other | 2 | £550k | 0.0% | 2017-03-29 |
| Frimley Health NHS Foundation Trust | Other | 1 | £547k | 0.0% | |
| City of London Corporation | Other | 1 | £530k | 0.0% | 2024-03-22 |
| WEST KENT HOUSING ASSOCIATION | Other | 2 | £500k | 0.0% | 2026-01-14 |
| Durham Police | Other | 1 | £500k | 0.0% | 2024-03-15 |
| YORK TEACHING HOSPITAL NHS FOUNDATION TRUST | Other | 1 | £500k | 0.0% | 2023-07-28 |
| Your Housing Group Ltd | Other | 1 | £500k | 0.0% | 2020-09-01 |
| Essex Cares Limited | Other | 1 | £500k | 0.0% | 2017-04-30 |
| whgNew | Other | 1 | £497k | 0.0% | 2025-08-21 |
| NHS Business Services Authority | Other | 2 | £489k | 0.0% | 2024-02-22 |
| UNIVERSITY OF SOUTHAMPTON | Other | 2 | £480k | 0.0% | 2023-10-31 |
| Isle of Wight Council | Other | 3 | £415k | 0.0% | 2021-06-02 |
| Met Office | Other | 3 | £372k | 0.0% | 2023-03-23 |
| Lancashire Fire & Rescue Service | Other | 1 | £364k | 0.0% | 2022-08-01 |
| West Northamptonshire CouncilNew | Other | 1 | £331k | 0.0% | 2024-11-30 |
| Torbay Council | Other | 2 | £315k | 0.0% | 2024-03-13 |
| Harrogate Borough Council | Other | 1 | £309k | 0.0% | 2019-10-31 |
| Leeds City Council | Other | 2 | £302k | 0.0% | 2023-12-14 |
| Sussex Partnership NHS Foundation TrustNew | Other | 1 | £300k | 0.0% | 2025-02-27 |
| Environment Agency | Other | 1 | £300k | 0.0% | 2024-03-21 |
| EMSCU Nottinghamshire Police | Other | 3 | £300k | 0.0% | 2019-05-06 |
| Lincolnshire Fire and Rescue | Other | 1 | £300k | 0.0% | 2015-01-02 |
| BIP SOLUTIONS LIMITED | Other | 1 | £270k | 0.0% | 2024-03-08 |
| Folkestone and Hythe District Council | Other | 2 | £250k | 0.0% | 2024-01-02 |
| Welland Procurement Unit | Other | 1 | £244k | 0.0% | 2022-08-25 |
| Somerset NHS Foundation Trust, Simply Serve LtdNew | Other | 1 | £239k | 0.0% | 2024-10-02 |
| East and North Hertfordshire NHS Trust | Other | 2 | £225k | 0.0% | 2025-02-17 |
| Dorset County Hospital NHS Foundation Trust | Other | 1 | £225k | 0.0% | 2022-05-20 |
| Royal Berkshire Fire Authority | Other | 1 | £220k | 0.0% | 2024-03-28 |
| Nottingham City CouncilNew | Other | 1 | £210k | 0.0% | 2025-10-15 |
| Charnwood Borough Council | Other | 1 | £200k | 0.0% | 2017-10-12 |
| Home Office | Other | 1 | £200k | 0.0% | 2016-03-21 |
| Leicestershire County Council | Other | 1 | £192k | 0.0% | 2024-05-08 |
| D V L A | Other | 1 | £185k | 0.0% | 2017-05-17 |
| Walsall Healthcare NHS Trust | Other | 2 | £181k | 0.0% | 2023-06-06 |
| COLLEGE OF POLICING LIMITED | Other | 1 | £180k | 0.0% | 2024-04-05 |
| The Coal Authority | Other | 1 | £175k | 0.0% | 2019-11-14 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 1 | £150k | 0.0% | 2019-11-05 |
| Driver and Vehicle Licensing Agency | Other | 2 | £149k | 0.0% | 2025-10-23 |
| UNIVERSITY OF EXETERNew | Other | 1 | £140k | 0.0% | 2026-02-18 |
| Freebridge Community Housing Limited | Other | 1 | £120k | 0.0% | 2015-06-01 |
| NOTTINGHAMSHIRE POLICE | Other | 1 | £113k | 0.0% | 2024-02-21 |
| NHS Arden and Greater East Midlands Commissioning Support Unit | Other | 1 | £105k | 0.0% | 2023-05-17 |
| KETTERING GENERAL HOSPITAL NHS FOUNDATION TRUSTNew | Other | 1 | £100k | 0.0% | 2024-09-11 |
| Buckinghamshire Council | Other | 1 | £100k | 0.0% | 2022-10-14 |
| Suffolk Coastal District Council and Waveney District CouncilNew | Other | 1 | £75k | 0.0% | 2025-06-05 |
| Solent NHS TrustNew | Other | 1 | £75k | 0.0% | 2024-06-13 |
| NHS SOUTH, CENTRAL AND WEST COMMISSIONING SUPPORT UNIT | Other | 1 | £75k | 0.0% | 2024-04-04 |
| HM Land Registry | Other | 3 | £70k | 0.0% | 2026-02-09 |
| CORBY BOROUGH COUNCIL | Other | 1 | £70k | 0.0% | 2020-05-21 |
| Post Office Limited | Other | 1 | £60k | 0.0% | 2023-04-01 |
| Foreign Commonwealth and Development Office | Other | 1 | £57k | 0.0% | 2022-04-10 |
| Kent PoliceNew | Other | 1 | £47k | 0.0% | 2024-06-21 |
| Crawley Borough CouncilNew | Other | 1 | £45k | 0.0% | 2024-06-04 |
| Ipswich Borough Council | Other | 1 | £45k | 0.0% | 2022-06-09 |
| Essex PoliceNew | Other | 1 | £43k | 0.0% | 2024-06-21 |
| Dover District CouncilNew | Other | 1 | £40k | 0.0% | 2025-11-17 |
| Norfolk ConstabularyNew | Other | 1 | £39k | 0.0% | 2024-06-21 |
| London Borough of Bromley | Other | 1 | £32k | 0.0% | 2022-01-12 |
| DEFRA | Other | 1 | £30k | 0.0% | 2020-04-01 |
| Police & Crime Commissioner For Staffordshire | Other | 1 | £30k | 0.0% | 2019-05-29 |
| Suffolk ConstabularyNew | Other | 1 | £29k | 0.0% | 2024-06-21 |
| West Midlands Fire Service | Other | 1 | £27k | 0.0% | 2018-08-30 |
| Swale Borough Council | Other | 1 | £26k | 0.0% | 2020-03-31 |
| FOLKESTONE & HYTHE DISTRICT COUNCIL | Other | 1 | £26k | 0.0% | 2018-07-08 |
| Sutton Housing PartnershipNew | Other | 1 | £24k | 0.0% | 2025-01-13 |
| Intellectual Property Office | Other | 2 | £19k | 0.0% | 2026-02-20 |
| Coventry City Council | Other | 1 | £12k | 0.0% | 2023-02-02 |
| DRIVER & VEHICLE LICENSING AGENCY | Other | 1 | £5k | 0.0% | 2019-12-05 |
| Cambridgeshire Community Services NHS TrustNew | Other | 1 | £2k | 0.0% | 2024-08-20 |
| The Riverside Group LimitedNew | Other | 1 | £0k | 0.0% | 2025-06-03 |
| Ordnance SurveyNew | Other | 1 | £0k | 0.0% | 2025-04-07 |
| Humankind Charity | Other | 1 | £0k | 0.0% | 2023-06-27 |
| County Durham and Darlington NHS Foundation Trust | Other | 1 | £0k | 0.0% | 2018-12-11 |
| East Suffolk Council | Other | 1 | £0k | 0.0% | |
| The Police and Crime Commissioner for Humberside | Other | 1 | £0k | 0.0% | |
| Aspire Housing | Other | 1 | £0k | 0.0% | |
| Forestry and Land Scotland | Other | 1 | £0k | 0.0% | |
| Somerset Council | Other | 1 | £0k | 0.0% | |
| Scotland Gas Networks (SGN) | Other | 1 | £0k | 0.0% | |
| South Lanarkshire Council | Other | 1 | £0k | 0.0% | |
| Llywodraeth Cymru / Welsh Government | Other | 1 | £0k | 0.0% | |
| Nottinghamshire Healthcare NHS Foundation Trust | Other | 1 | £0k | 0.0% | |
| Bromsgrove District Council | Other | 1 | £0k | 0.0% | |
| Oxfordshire County Council | Other | 1 | £0k | 0.0% | |