| Espo | Other | 7 | £3m | 9.6% | 2021-08-22 |
| Bradford Metropolitan District Council | Other | 3 | £2m | 5.9% | 2021-01-13 |
| Department for Education | Other | 1 | £1m | 5.5% | 2022-02-07 |
| Coventry City CouncilNew | Other | 8 | £1m | 5.0% | 2026-05-15 |
| Kirklees Council | Other | 4 | £1m | 4.8% | 2021-07-12 |
| Surrey County Council | Other | 2 | £1m | 4.8% | 2023-11-01 |
| Bristol City Council | Other | 2 | £1m | 4.5% | 2018-05-09 |
| HealthTrust Europe LLP (HTE) acting as agent for the University Hospitals of Coventry and Warwickshire NHS Trust (“UHCW”) | Other | 1 | £1m | 4.1% | 2017-03-01 |
| DERBY CITY COUNCIL | Other | 1 | £1m | 3.7% | 2022-09-01 |
| LGSS on behalf of Cambridgeshire County Council | Other | 1 | £1m | 3.7% | 2019-01-04 |
| The Royal Borough of Windsor and Maidenhead CouncilNew | Other | 2 | £964k | 3.5% | 2026-03-05 |
| East of England NHS collaborative Procurement Hub | Other | 1 | £870k | 3.2% | 2024-04-24 |
| North East Lincolnshire Council | Other | 4 | £752k | 2.8% | 2025-09-26 |
| Royal Borough of Greenwich | Other | 2 | £725k | 2.7% | 2023-09-01 |
| East Sussex County Council | Other | 2 | £710k | 2.6% | 2023-10-27 |
| Wirral Borough Council | Other | 2 | £678k | 2.5% | 2024-03-30 |
| London Borough of HackneyNew | Other | 1 | £628k | 2.3% | 2025-04-07 |
| Buckinghamshire Council | Other | 2 | £558k | 2.0% | 2022-07-30 |
| capitalEsourcing | Other | 2 | £525k | 1.9% | 2023-11-24 |
| Suffolk County CouncilNew | Other | 1 | £484k | 1.8% | 2025-12-16 |
| Sheffield City Council | Other | 1 | £480k | 1.8% | 2023-09-25 |
| East Riding of Yorkshire Council | Other | 3 | £476k | 1.7% | 2020-02-23 |
| Hertfordshire County CouncilNew | Other | 1 | £431k | 1.6% | 2026-02-01 |
| Blackburn With Darwen Borough CouncilNew | Other | 2 | £400k | 1.5% | 2025-03-14 |
| Derbyshire County CouncilNew | Other | 1 | £399k | 1.5% | 2025-12-19 |
| Bracknell Forest Borough CouncilNew | Other | 1 | £397k | 1.5% | 2026-05-12 |
| Leicestershire County CouncilNew | Other | 1 | £362k | 1.3% | 2025-01-13 |
| North Northamptonshire Council | Other | 2 | £324k | 1.2% | 2023-03-22 |
| Nottinghamshire County CouncilNew | Other | 1 | £317k | 1.2% | 2025-01-03 |
| Devon County CouncilNew | Other | 1 | £300k | 1.1% | 2025-03-13 |
| Isle of Wight Council | Other | 2 | £295k | 1.1% | 2023-03-29 |
| Star Procurement | Other | 1 | £250k | 0.9% | 2022-07-18 |
| Darlington Borough Council | Other | 2 | £248k | 0.9% | 2018-09-03 |
| West Northamptonshire CouncilNew | Other | 1 | £201k | 0.7% | 2025-02-06 |
| Wolverhampton City Council | Other | 2 | £199k | 0.7% | 2017-01-13 |
| The Improvement and Development AgencyNew | Other | 4 | £174k | 0.6% | 2025-12-22 |
| Hull City Council | Other | 2 | £170k | 0.6% | 2015-12-22 |
| Cornwall Council | Other | 3 | £159k | 0.6% | 2023-09-29 |
| Leicester City Council | Other | 1 | £150k | 0.6% | 2023-07-31 |
| Wokingham Borough Council | Other | 1 | £134k | 0.5% | 2019-12-18 |
| London Borough of Merton | Other | 1 | £101k | 0.4% | 2018-11-26 |
| Wealden District Council | Other | 1 | £80k | 0.3% | 2016-01-13 |
| Durham County Council | Other | 1 | £61k | 0.2% | 2023-02-01 |
| Nottingham University Hospital NHS TrustNew | Other | 1 | £50k | 0.2% | 2025-08-27 |
| Barnsley Metropolitan Borough Council | Other | 1 | £49k | 0.2% | 2024-01-08 |
| District Council of Tandridge | Other | 1 | £49k | 0.2% | 2021-10-03 |
| Improvement and Development Agency for Local Government (IDeA)New | Other | 1 | £39k | 0.1% | 2024-07-30 |
| Royal Borough of Kingston Upon Thames | Other | 1 | £25k | 0.1% | 2022-01-07 |
| Watford Borough CouncilNew | Other | 1 | £0k | 0.0% | 2025-05-01 |
| Northamptonshire Children's Trust | Other | 1 | £0k | 0.0% | |
| Stoke-on-Trent City Council | Other | 1 | £0k | 0.0% | |
| Essex County Council | Other | 1 | £0k | 0.0% | |
| East Of England NHS Collaborative Hub | Other | 7 | £0k | 0.0% | |
| Borough of Telford & Wrekin | Other | 1 | £0k | 0.0% | |