| Nottingham City CouncilNew | Other | 1 | £335k | 7.3% | 2025-11-26 |
| Care Quality Commission | Other | 6 | £303k | 6.6% | 2025-12-11 |
| West Midlands Combined AuthorityNew | Other | 2 | £237k | 5.2% | 2026-03-31 |
| Bath and North East Somerset Council | Other | 3 | £232k | 5.1% | 2023-10-22 |
| Wolverhampton City Council | Other | 2 | £215k | 4.7% | 2022-11-14 |
| Reading Borough Council | Other | 1 | £178k | 3.9% | 2024-02-05 |
| Redditch Borough Council | Other | 1 | £172k | 3.7% | 2023-11-01 |
| Runnymede Borough CouncilNew | Other | 1 | £167k | 3.6% | 2025-03-06 |
| Borough Council of Kings Lynn and West Norfolk | Other | 1 | £160k | 3.5% | 2017-09-18 |
| Rotherham Metropolitan Borough Council | Other | 2 | £155k | 3.4% | 2025-12-18 |
| Knowsley Council | Other | 1 | £133k | 2.9% | 2020-08-03 |
| Rochdale Metropolitan Borough Council | Other | 1 | £133k | 2.9% | 2022-01-25 |
| City of Bradford Metropolitan District Council | Other | 1 | £125k | 2.7% | 2022-09-12 |
| Reigate & Banstead Borough Council | Other | 1 | £111k | 2.4% | 2023-06-30 |
| South Gloucestershire Council | Other | 2 | £106k | 2.3% | 2024-05-06 |
| Guildford Borough Council | Other | 2 | £105k | 2.3% | 2025-02-21 |
| East Sussex County CouncilNew | Other | 1 | £98k | 2.1% | 2025-01-09 |
| South Yorkshire Pensions AuthorityNew | Other | 1 | £92k | 2.0% | 2025-12-16 |
| Sefton CouncilNew | Other | 1 | £92k | 2.0% | 2024-06-30 |
| Braintree District Council | Other | 1 | £90k | 2.0% | 2023-12-07 |
| Wirral Borough CouncilNew | Other | 1 | £87k | 1.9% | 2026-03-30 |
| Folkestone and Hythe District Council | Other | 2 | £87k | 1.9% | 2025-03-10 |
| West Sussex County Council | Other | 1 | £83k | 1.8% | 2023-04-28 |
| Borough Council of Calderdale | Other | 1 | £81k | 1.8% | 2017-08-31 |
| West Yorkshire Combined Authority | Other | 1 | £78k | 1.7% | 2020-09-09 |
| Staffordshire County Council | Other | 1 | £78k | 1.7% | 2018-11-26 |
| SE Shared Services | Other | 1 | £77k | 1.7% | 2018-07-03 |
| Epping Forest District Council | Other | 2 | £73k | 1.6% | 2023-04-30 |
| Tewkesbury Borough Council | Other | 1 | £70k | 1.5% | 2024-03-04 |
| Wealden District CouncilNew | Other | 1 | £70k | 1.5% | 2025-08-06 |
| Southend-on-sea Borough CouncilNew | Other | 1 | £67k | 1.5% | 2025-06-03 |
| Selby District Council | Other | 1 | £57k | 1.2% | 2022-08-23 |
| STAR PROCUREMENT LIMITED | Other | 1 | £57k | 1.2% | 2022-10-08 |
| Sussex PoliceNew | Other | 1 | £57k | 1.2% | 2024-07-17 |
| Coventry City CouncilNew | Other | 1 | £56k | 1.2% | 2025-03-04 |
| Royal Borough of Kingston Upon Thames | Other | 1 | £50k | 1.1% | 2021-10-31 |
| Buckinghamshire Council | Other | 2 | £50k | 1.1% | 2018-09-12 |
| Cornwall Council | Other | 1 | £46k | 1.0% | 2016-05-30 |
| Kent County CouncilNew | Other | 1 | £43k | 0.9% | 2024-06-18 |
| West Lindsey District CouncilNew | Other | 1 | £32k | 0.7% | 2024-12-27 |
| Cheshire West and Chester Council | Other | 1 | £30k | 0.7% | 2022-05-14 |
| Woodley Town CouncilNew | Other | 1 | £26k | 0.6% | 2025-05-01 |
| London Borough Of Islington | Other | 1 | £0k | 0.0% | |
| Southend-on-Sea City Council | Other | 2 | £0k | 0.0% | |