| National Highways | Other | 12 | £55m | 50.0% | 2022-01-10 |
| Parliament UK | Other | 1 | £11m | 9.8% | 2017-12-18 |
| Hyde Housing Association | Other | 1 | £10m | 9.2% | 2017-11-21 |
| Cumbria County Council | Other | 58 | £9m | 7.8% | 2022-08-04 |
| Department for Education | Other | 8 | £7m | 6.1% | 2021-11-08 |
| EFFICIENCY EAST MIDLANDS LIMITED | Other | 1 | £5m | 4.4% | 2019-12-16 |
| Transport for London | Other | 3 | £3m | 2.6% | 2017-10-30 |
| Rotherham Metropolitan Borough Council | Other | 1 | £2m | 1.8% | 2021-08-17 |
| East Riding of Yorkshire Council | Other | 4 | £2m | 1.8% | 2024-11-05 |
| East Riding of Yorkshire | Other | 2 | £1m | 1.2% | 2021-09-09 |
| Ark Housing Consultancy | Other | 1 | £1m | 0.9% | 2019-03-31 |
| DEFRA | Other | 1 | £883k | 0.8% | 2020-12-01 |
| capitalEsourcing | Other | 1 | £597k | 0.5% | 2017-07-03 |
| West Lancashire Borough Council | Other | 1 | £244k | 0.2% | 2023-10-30 |
| FUSION 21 LIMITED | Other | 1 | £235k | 0.2% | 2017-09-18 |
| Newcastle City Council | Other | 1 | £199k | 0.2% | 2019-02-06 |
| Folkestone and Hythe District Council | Other | 3 | £185k | 0.2% | 2022-11-10 |
| Metropolitan Police Service | Other | 1 | £159k | 0.1% | 2021-11-01 |
| West Yorkshire Combined AuthorityNew | Other | 1 | £134k | 0.1% | 2024-10-02 |
| Trafford Council | Other | 2 | £125k | 0.1% | 2024-01-31 |
| Sunderland City Council | Other | 2 | £124k | 0.1% | 2021-09-13 |
| Ministry of Housing, Communities & Local Government | Other | 1 | £104k | 0.1% | 2021-05-26 |
| South Tyneside Council | Other | 1 | £103k | 0.1% | 2018-01-12 |
| North Lincolnshire Council | Other | 1 | £100k | 0.1% | 2024-04-05 |
| Rochford District Council | Other | 1 | £100k | 0.1% | 2022-04-10 |
| University of Bath | Other | 1 | £100k | 0.1% | 2017-05-05 |
| South Yorkshire Police | Other | 1 | £100k | 0.1% | 2017-09-04 |
| Lancaster City CouncilNew | Other | 3 | £90k | 0.1% | 2024-09-30 |
| NHS London Procurement Partnership | Other | 1 | £88k | 0.1% | 2020-08-28 |
| Manchester City Council | Other | 1 | £86k | 0.1% | 2018-08-27 |
| Homes England (the name adopted by the Homes and Communities Agency) | Other | 1 | £80k | 0.1% | 2019-02-12 |
| Redcar and Cleveland Borough Council | Other | 2 | £75k | 0.1% | 2021-09-24 |
| Luton Borough Council | Other | 1 | £75k | 0.1% | 2017-10-06 |
| COVENTRY AND WARWICKSHIRE PARTNERSHIP NHS TRUST | Other | 1 | £72k | 0.1% | 2016-05-02 |
| Welland ProcurementNew | Other | 1 | £67k | 0.1% | 2024-08-16 |
| Leicester City Council | Other | 1 | £65k | 0.1% | 2021-11-05 |
| WAKEFIELD COUNCIL | Other | 1 | £57k | 0.1% | 2024-01-05 |
| Met Office | Other | 1 | £56k | 0.1% | 2021-01-15 |
| London Borough of HillingdonNew | Other | 2 | £55k | 0.1% | 2024-12-23 |
| Kirklees CouncilNew | Other | 1 | £50k | 0.0% | 2024-08-19 |
| Eden District Council | Other | 1 | £45k | 0.0% | 2018-03-30 |
| South Ribble Borough Council | Other | 1 | £44k | 0.0% | 2017-01-23 |
| Durham County Council | Other | 1 | £42k | 0.0% | 2018-07-05 |
| HOMES & COMMUNITIES AGENCY | Other | 1 | £40k | 0.0% | 2016-12-30 |
| Ministry of Defence | Other | 1 | £38k | 0.0% | 2018-09-24 |
| Devon & Somerset Fire & Rescue Service | Other | 1 | £38k | 0.0% | 2016-08-08 |
| Luton Council | Other | 1 | £37k | 0.0% | 2021-06-10 |
| NHS Property Services Limited | Other | 1 | £27k | 0.0% | 2021-04-19 |
| Frimley Health NHS Foundation Trust | Other | 1 | £25k | 0.0% | 2016-10-07 |
| Tees Valley Combined Authority | Other | 1 | £19k | 0.0% | 2021-04-27 |
| Crown Commercial Service | Other | 1 | £19k | 0.0% | 2020-06-18 |
| DfTc - Department for Transport | Other | 1 | £19k | 0.0% | 2021-07-20 |
| Wirral Borough Council | Other | 1 | £11k | 0.0% | 2021-12-09 |
| Health and Safety Executive | Other | 1 | £1k | 0.0% | 2020-11-27 |
| Surrey and Borders Partnership NHS Foundation Trust | Other | 1 | £0k | 0.0% | 2018-12-12 |
| Blackpool Council | Other | 1 | £0k | 0.0% | 2021-02-02 |
| NOE CPC | Other | 1 | £0k | 0.0% | 2018-10-15 |
| Coventry University | Other | 1 | £0k | 0.0% | 2017-11-21 |
| The Association of North East Councils Limited | Other | 1 | £0k | 0.0% | 2017-09-19 |
| Cardiff Council | Other | 7 | £0k | 0.0% | |
| The Minister for the Cabinet Office acting through Crown Commercial Service | Other | 3 | £0k | 0.0% | |
| Dumfries and Galloway Council | Other | 2 | £0k | 0.0% | |
| Cyngor Gwynedd | Other | 3 | £0k | 0.0% | |
| Stonewater Limited | Other | 1 | £0k | 0.0% | |
| Hertfordshire County Council | Other | 2 | £0k | 0.0% | |
| NORTHUMBRIAN WATER LIMITED | Other | 1 | £0k | 0.0% | |
| Neath Port Talbot County Borough Council | Other | 1 | £0k | 0.0% | |
| North Ayrshire Council | Other | 1 | £0k | 0.0% | |
| Scotland Excel | Other | 2 | £0k | 0.0% | |
| Borough Council of Calderdale | Other | 1 | £0k | 0.0% | |
| Strathclyde Partnership for Transport | Other | 1 | £0k | 0.0% | |