| Espo | Other | 13 | £3m | 12.9% | 2022-09-29 |
| YPO | Other | 2 | £3m | 10.8% | 2019-08-19 |
| Durham County Council | Other | 7 | £2m | 10.2% | 2025-12-03 |
| Cheshire West and Chester Council | Other | 6 | £2m | 9.0% | 2025-11-04 |
| The Association of North East Councils Limited | Other | 5 | £2m | 8.6% | 2022-08-02 |
| Walsall Council | Other | 15 | £1m | 5.3% | 2026-05-18 |
| Stoke-on-Trent City Council | Other | 7 | £853k | 3.6% | 2021-09-27 |
| West Lancashire Borough Council | Other | 1 | £710k | 3.0% | 2021-03-31 |
| Barnsley Metropolitan Borough Council | Other | 4 | £519k | 2.2% | 2023-10-26 |
| Wigan Council | Other | 15 | £502k | 2.1% | 2025-12-10 |
| Nottingham City Council | Other | 4 | £487k | 2.1% | 2022-05-12 |
| Staffordshire County Council | Other | 3 | £474k | 2.0% | 2024-04-16 |
| Rotherham MBC | Other | 1 | £313k | 1.3% | 2018-08-13 |
| Sandwell Metropolitan Borough Council | Other | 1 | £308k | 1.3% | 2023-03-09 |
| TAMESIDE METROPOLITAN BOROUGH COUNCIL | Other | 3 | £296k | 1.2% | 2020-02-28 |
| The University of Nottingham | Other | 1 | £295k | 1.2% | 2017-10-09 |
| Tamworth Borough Council | Other | 1 | £294k | 1.2% | 2023-12-01 |
| Oldham Council | Other | 5 | £255k | 1.1% | 2024-04-12 |
| UBICO LIMITED | Other | 6 | £235k | 1.0% | 2026-03-24 |
| Wythenshawe Community Housing Group LimitedNew | Other | 1 | £234k | 1.0% | 2025-09-08 |
| Alliance Environmental Services LtdNew | Other | 3 | £228k | 1.0% | 2026-04-14 |
| Stafford Borough Council | Other | 4 | £224k | 0.9% | 2025-06-26 |
| Keele University | Other | 1 | £222k | 0.9% | 2021-10-18 |
| Leicester City Council | Other | 4 | £222k | 0.9% | 2024-02-20 |
| Liverpool City Council | Other | 3 | £218k | 0.9% | 2020-03-29 |
| Warrington Borough CouncilNew | Other | 1 | £193k | 0.8% | 2025-03-21 |
| ANSA ENVIRONMENTAL SERVICES LIMITED | Other | 3 | £181k | 0.8% | 2022-08-10 |
| Derbyshire County Council | Other | 1 | £167k | 0.7% | 2017-03-14 |
| Watford Borough CouncilNew | Other | 1 | £163k | 0.7% | 2025-07-29 |
| Wrexham County Borough Council | Other | 2 | £162k | 0.7% | 2022-09-01 |
| Halton Borough Council | Other | 3 | £161k | 0.7% | 2021-05-19 |
| Lancashire County Council | Other | 2 | £159k | 0.7% | 2023-03-27 |
| Wirral Borough Council | Other | 1 | £153k | 0.6% | 2023-07-07 |
| Denbighshire County Council | Other | 3 | £137k | 0.6% | 2022-07-15 |
| Staffordshire Moorlands District Council | Other | 1 | £130k | 0.5% | 2022-04-19 |
| Neath Port Talbot County Borough Council | Other | 1 | £112k | 0.5% | 2022-04-27 |
| St Helens CouncilNew | Other | 3 | £108k | 0.5% | 2026-01-28 |
| South Ribble Borough Council | Other | 2 | £101k | 0.4% | 2020-05-04 |
| Blaby District Council | Other | 1 | £96k | 0.4% | 2024-04-02 |
| BIP SOLUTIONS LIMITED | Other | 3 | £93k | 0.4% | 2025-10-13 |
| Conwy County Borough CouncilNew | Other | 1 | £83k | 0.4% | 2026-02-26 |
| ROCHDALE BOROUGHWIDE HOUSING LIMITED | Other | 1 | £80k | 0.3% | 2017-03-03 |
| Derbyshire Dales District Council | Other | 2 | £78k | 0.3% | 2026-04-27 |
| Wakefield Council Customer Service | Other | 1 | £76k | 0.3% | 2018-04-12 |
| Chorley Council | Other | 1 | £72k | 0.3% | 2016-02-03 |
| DERBY CITY COUNCIL | Other | 2 | £71k | 0.3% | 2020-01-14 |
| Rochdale Metropolitan Borough CouncilNew | Other | 2 | £69k | 0.3% | 2025-09-01 |
| Knowsley Council | Other | 2 | £67k | 0.3% | 2022-02-18 |
| Leeds City Council | Other | 3 | £64k | 0.3% | 2025-05-27 |
| Carlisle City Council | Other | 1 | £52k | 0.2% | 2021-12-22 |
| North Yorkshire County CouncilNew | Other | 1 | £51k | 0.2% | 2025-02-21 |
| Kirklees Council | Other | 1 | £47k | 0.2% | 2020-10-12 |
| Cannock Chase Council | Other | 1 | £46k | 0.2% | 2024-03-20 |
| Wolverhampton City Council | Other | 1 | £45k | 0.2% | 2023-10-23 |
| Manchester City Council | Other | 1 | £37k | 0.2% | 2017-09-29 |
| Newcastle City Council | Other | 1 | £36k | 0.1% | 2020-11-23 |
| Middlesbrough Council | Other | 1 | £35k | 0.1% | 2018-10-29 |
| Bolsover District Council | Other | 1 | £34k | 0.1% | 2023-01-23 |
| Birmingham City Council | Other | 1 | £33k | 0.1% | 2021-09-14 |
| DERBYSHIRE COMMUNITY HEALTH SERVICES NHS FOUNDATION TRUST | Other | 1 | £33k | 0.1% | 2021-07-01 |
| Doncaster Metropolitan Borough Council | Other | 1 | £26k | 0.1% | 2019-10-03 |
| High Peak Borough Council | Other | 1 | £25k | 0.1% | 2021-05-14 |
| Preston | Other | 1 | £24k | 0.1% | 2018-11-30 |
| Chesterfield Royal Hospital NHS Foundation Trust | Other | 3 | £23k | 0.1% | 2019-07-08 |
| Forestry Commission England | Other | 1 | £22k | 0.1% | 2019-09-09 |
| LONDON BOROUGH OF HAVERING | Other | 1 | £20k | 0.1% | 2022-03-24 |
| First Choice Homes OldhamNew | Other | 2 | £0k | 0.0% | 2026-03-16 |
| Community Gateway Association | Other | 1 | £0k | 0.0% | 2017-02-22 |
| Lancaster City Council | Other | 1 | £0k | 0.0% | |
| Hinckley and Bosworth Borough Council | Other | 1 | £0k | 0.0% | |
| Keele University Science And Business Park | Other | 1 | £0k | 0.0% | |
| Newport City Council | Other | 2 | £0k | 0.0% | |