| Cambridgeshire County Council | Other | 1 | £57m | 29.7% | 2018-06-01 |
| East Sussex County Council | Other | 2 | £22m | 11.4% | 2021-09-23 |
| Oxfordshire County Council | Other | 4 | £13m | 6.9% | 2023-12-01 |
| Leicester City Council | Other | 1 | £9m | 4.6% | 2020-07-13 |
| Northamptonshire County Council | Other | 1 | £8m | 4.0% | 2019-12-31 |
| Espo | Other | 1 | £8m | 4.0% | 2017-02-28 |
| Wolverhampton City Council | Other | 3 | £7m | 3.8% | 2019-08-31 |
| Bedford Borough Council | Other | 1 | £7m | 3.5% | 2017-05-03 |
| Peterborough City Council | Other | 3 | £6m | 3.2% | 2018-08-13 |
| WAKEFIELD COUNCIL | Other | 2 | £5m | 2.9% | 2022-05-04 |
| Bath and North East Somerset Council | Other | 2 | £5m | 2.6% | 2023-10-10 |
| Cheshire West and Chester Council | Other | 1 | £5m | 2.6% | 2019-06-05 |
| Middlesbrough Council | Other | 1 | £5m | 2.5% | 2020-04-27 |
| Bradford Metropolitan District Council | Other | 2 | £5m | 2.4% | 2017-11-01 |
| Lancashire County Council | Other | 2 | £4m | 2.0% | 2016-10-28 |
| East Riding of Yorkshire Council | Other | 7 | £4m | 2.0% | 2026-05-12 |
| Sheffield City Council | Other | 2 | £3m | 1.8% | 2017-10-01 |
| Herefordshire CouncilNew | Other | 2 | £3m | 1.7% | 2024-06-20 |
| Dorset county Council | Other | 1 | £3m | 1.6% | 2019-03-27 |
| City of Bradford Metropolitan District Council | Other | 2 | £3m | 1.4% | 2023-03-20 |
| South Tyneside Council | Other | 2 | £3m | 1.3% | 2016-09-20 |
| NHS Shared Business Services Ltd (NHS SBS) | Other | 1 | £2m | 1.0% | 2018-11-28 |
| Wakefield Council Customer Service | Other | 2 | £2m | 0.9% | 2018-10-31 |
| Durham County Council | Other | 2 | £2m | 0.8% | 2019-06-03 |
| Blackpool Council | Other | 1 | £1m | 0.5% | 2017-12-04 |
| Norfolk County CouncilNew | Other | 3 | £859k | 0.5% | 2025-12-03 |
| Suffolk Sourcing | Other | 2 | £407k | 0.2% | 2019-04-25 |
| Borough Council of Calderdale | Other | 1 | £308k | 0.2% | 2018-04-10 |
| N H S Wakefield Clinical Commissioning Group | Other | 1 | £154k | 0.1% | 2021-01-01 |
| Suffolk County Council | Other | 1 | £3k | 0.0% | 2017-12-22 |
| NHS Arden and Greater East Midlands Commissioning Support Unit | Other | 1 | £0k | 0.0% | 2019-05-21 |
| West Sussex County Council (CAP) | Other | 1 | £0k | 0.0% | 2021-08-17 |
| N H S Greater Huddersfield C C G | Other | 1 | £0k | 0.0% | 2020-08-20 |
| NORTH TYNESIDE COUNCIL | Other | 1 | £0k | 0.0% | 2017-04-10 |
| Aberdeenshire Council | Other | 2 | £0k | 0.0% | |
| West Sussex County Council | Other | 2 | £0k | 0.0% | |
| Argyll and Bute Council | Other | 2 | £0k | 0.0% | |
| Renfrewshire Council | Other | 1 | £0k | 0.0% | |
| Staffordshire County Council | Other | 1 | £0k | 0.0% | |
| Aberdeen City Council | Other | 1 | £0k | 0.0% | |
| Supported Living Schemes and Floating Support Services for Adults with Learning Disabilities and/or Autism | Other | 1 | £0k | 0.0% | |
| Gloucestershire County Council | Other | 1 | £0k | 0.0% | |
| NHS Calderdale Clinical Commissioning Group (CCG) | Other | 1 | £0k | 0.0% | |
| NHS HUMBER AND NORTH YORKSHIRE INTEGRATED CARE BOARD | Other | 1 | £0k | 0.0% | |
| Liverpool City Council | Other | 1 | £0k | 0.0% | |