| Bristol City Council | Other | 7 | £1m | 30.1% | 2021-06-21 |
| Essex County Council | Other | 1 | £500k | 12.6% | 2016-06-08 |
| Stockton Borough Council | Other | 1 | £320k | 8.1% | 2022-09-30 |
| Leicestershire County Council | Other | 3 | £185k | 4.7% | 2025-03-20 |
| Southampton City Council | Other | 2 | £167k | 4.2% | 2025-06-29 |
| Nottinghamshire County Council | Other | 2 | £145k | 3.7% | 2022-07-29 |
| Redcar and Cleveland Borough Council | Other | 4 | £133k | 3.4% | 2023-11-01 |
| Durham County Council | Other | 3 | £105k | 2.7% | 2025-11-01 |
| North East Lincolnshire Council | Other | 2 | £85k | 2.1% | 2024-03-01 |
| Milton Keynes Council | Other | 2 | £84k | 2.1% | 2025-07-07 |
| Coventry City Council | Other | 1 | £84k | 2.1% | 2021-08-05 |
| Lincolnshire County Council | Other | 2 | £82k | 2.1% | 2025-11-18 |
| London Borough of Bromley | Other | 1 | £64k | 1.6% | 2022-11-22 |
| WAKEFIELD COUNCIL | Other | 1 | £60k | 1.5% | 2023-08-31 |
| Derbyshire County Council | Other | 1 | £60k | 1.5% | 2023-12-15 |
| Bradford Metropolitan District Council | Other | 1 | £56k | 1.4% | 2020-06-30 |
| Southend-on-sea Borough Council | Other | 1 | £56k | 1.4% | 2022-02-25 |
| Stockport Metropolitan Borough Council | Other | 1 | £47k | 1.2% | 2024-04-11 |
| Hull City Council | Other | 1 | £46k | 1.2% | 2021-07-01 |
| Wirral Borough Council | Other | 1 | £40k | 1.0% | 2023-05-31 |
| Leeds City Council | Other | 1 | £35k | 0.9% | 2022-09-28 |
| London Borough of Merton | Other | 1 | £35k | 0.9% | 2023-06-22 |
| Isle of Wight Council | Other | 1 | £35k | 0.9% | 2023-05-02 |
| Rotherham Metropolitan Borough Council | Other | 1 | £35k | 0.9% | 2023-04-14 |
| South Tyneside Council | Other | 1 | £35k | 0.9% | 2023-03-21 |
| Middlesbrough CouncilNew | Other | 1 | £35k | 0.9% | 2025-02-19 |
| North Northamptonshire Council | Other | 1 | £32k | 0.8% | 2022-06-01 |
| Peterborough City Council | Other | 1 | £32k | 0.8% | 2024-03-13 |
| East Riding of Yorkshire CouncilNew | Other | 1 | £31k | 0.8% | 2026-03-30 |
| Telford & Wrekin Council | Other | 1 | £30k | 0.8% | 2023-04-23 |
| Shropshire Council | Other | 1 | £26k | 0.7% | 2016-02-11 |
| Borough of Telford & Wrekin | Other | 1 | £26k | 0.7% | 2016-04-29 |
| Royal Borough of Kingston Upon Thames | Other | 1 | £25k | 0.6% | 2024-04-29 |
| Bath and North East Somerset Council | Other | 1 | £25k | 0.6% | 2022-03-31 |
| Central Bedfordshire Council | Other | 1 | £8k | 0.2% | 2019-02-12 |
| London Borough of Waltham Forest | Other | 5 | £6k | 0.2% | 2020-02-06 |
| Coventry - Solihull - Warwickshire | Other | 1 | £0k | 0.0% | 2018-08-10 |
| Cheshire West and Chester Council | Other | 1 | £0k | 0.0% | |
| Norfolk County Council | Other | 1 | £0k | 0.0% | |
| Solihull Metropolitan Borough Council | Other | 1 | £0k | 0.0% | |
| Portsmouth City Council | Other | 1 | £0k | 0.0% | |
| Suffolk County Council | Other | 1 | £0k | 0.0% | |