| The Association of North East Councils Limited | Other | 3 | £21m | 12.9% | 2025-02-03 |
| Espo | Other | 13 | £21m | 12.6% | 2025-01-20 |
| Leeds City Council | Other | 5 | £21m | 12.5% | 2023-08-17 |
| Llywodraeth Cymru / Welsh GovernmentNew | Other | 1 | £20m | 12.0% | 2026-02-25 |
| Oxfordshire County Council | Other | 1 | £8m | 4.7% | 2024-04-29 |
| Durham County Council | Other | 7 | £8m | 4.6% | 2026-01-22 |
| Yorkshire Purchasing Organisation | Other | 1 | £8m | 4.6% | 2023-09-12 |
| Cambridgeshire County Council | Other | 2 | £7m | 4.0% | 2022-02-07 |
| YPO | Other | 4 | £6m | 3.5% | 2019-09-19 |
| North Yorkshire County Council | Other | 1 | £6m | 3.4% | 2023-11-10 |
| Commercial Services Kent Limited | Other | 4 | £3m | 2.1% | 2025-05-20 |
| Kirklees Metropolitan Council | Other | 2 | £3m | 1.5% | 2025-08-06 |
| Leicestershire County Council | Other | 6 | £2m | 1.2% | 2025-07-31 |
| Rotherham Metropolitan Borough Council | Other | 2 | £2m | 1.1% | 2023-07-28 |
| Derbyshire County Council | Other | 2 | £2m | 1.0% | 2023-08-31 |
| Cheshire West and Chester Council | Other | 6 | £2m | 1.0% | 2025-09-24 |
| South Gloucestershire Council | Other | 2 | £2m | 0.9% | 2020-12-10 |
| St Helens Council | Other | 3 | £1m | 0.8% | 2024-07-01 |
| Herefordshire Council | Other | 4 | £1m | 0.7% | 2024-06-03 |
| Kirklees Council | Other | 4 | £1m | 0.7% | 2024-05-03 |
| Northumberland Council | Other | 2 | £1m | 0.7% | 2018-10-25 |
| Cumberland CouncilNew | Other | 1 | £1m | 0.7% | 2026-03-20 |
| Via East Midlands LTD | Other | 3 | £1m | 0.7% | 2022-03-10 |
| Denbighshire County CouncilNew | Other | 1 | £1m | 0.7% | 2025-08-01 |
| Redcar and Cleveland Borough Council | Other | 5 | £1m | 0.6% | 2023-10-11 |
| Carmarthenshire County CouncilNew | Other | 2 | £900k | 0.5% | 2026-03-06 |
| Conwy County Borough Council | Other | 4 | £869k | 0.5% | 2025-06-24 |
| WAKEFIELD COUNCIL | Other | 3 | £820k | 0.5% | 2023-09-05 |
| Rochdale Metropolitan Borough Council | Other | 1 | £726k | 0.4% | 2022-04-08 |
| London Borough of Bromley | Other | 3 | £693k | 0.4% | 2024-10-31 |
| South Tyneside CouncilNew | Other | 1 | £670k | 0.4% | 2024-08-01 |
| Leicester City Council | Other | 4 | £662k | 0.4% | 2024-04-29 |
| Stoke-on-Trent City Council | Other | 6 | £647k | 0.4% | 2023-08-21 |
| Torbay Council | Other | 1 | £610k | 0.4% | 2021-09-06 |
| Norfolk County Council | Other | 1 | £607k | 0.4% | 2020-03-13 |
| Devon County CouncilNew | Other | 2 | £600k | 0.4% | 2025-09-02 |
| City & County of SwanseaNew | Other | 2 | £592k | 0.4% | 2025-10-15 |
| West Dunbartonshire Council | Other | 1 | £546k | 0.3% | 2021-04-30 |
| SWISCO LIMITEDNew | Other | 2 | £536k | 0.3% | 2026-05-05 |
| Oldham Council | Other | 2 | £529k | 0.3% | 2023-06-26 |
| Northumberland County Council | Other | 1 | £524k | 0.3% | 2020-05-07 |
| Lancashire County Council | Other | 1 | £500k | 0.3% | 2016-06-01 |
| West Sussex County Council | Other | 1 | £497k | 0.3% | 2021-03-30 |
| Nuclear Restoration Services Limited (Dounreay)New | Other | 2 | £451k | 0.3% | 2025-03-25 |
| Bedford Borough Council | Other | 1 | £381k | 0.2% | 2020-11-16 |
| Wigan Council | Other | 1 | £371k | 0.2% | 2019-05-03 |
| Bolton Metropolitan Borough Council | Other | 1 | £363k | 0.2% | 2021-07-09 |
| Middlesbrough CouncilNew | Other | 2 | £351k | 0.2% | 2026-04-20 |
| LIVERPOOL STREETSCENE SERVICES LIMITED | Other | 2 | £345k | 0.2% | 2023-03-29 |
| VIA EAST MIDLANDS LIMITED | Other | 1 | £341k | 0.2% | 2019-03-20 |
| North East Lincolnshire Council | Other | 3 | £330k | 0.2% | 2021-12-20 |
| Neath Port Talbot County Borough Council | Other | 2 | £328k | 0.2% | 2025-10-15 |
| Rotherham MBC | Other | 1 | £313k | 0.2% | 2018-08-13 |
| NORTH TYNESIDE COUNCIL | Other | 2 | £284k | 0.2% | 2024-09-10 |
| Department for Infrastructure | Other | 3 | £270k | 0.2% | 2018-01-31 |
| Liverpool City Council | Other | 2 | £252k | 0.2% | 2021-07-05 |
| East Riding of Yorkshire | Other | 1 | £232k | 0.1% | 2020-09-22 |
| Crown Commercial ServiceNew | Other | 1 | £228k | 0.1% | 2025-10-17 |
| Blackburn With Darwen Borough CouncilNew | Other | 1 | £213k | 0.1% | 2025-08-27 |
| Star Procurement | Other | 1 | £170k | 0.1% | 2020-03-24 |
| Sunderland City Council | Other | 1 | £162k | 0.1% | 2023-06-16 |
| Gateshead Council | Other | 1 | £160k | 0.1% | 2018-06-15 |
| City of York Council | Other | 2 | £138k | 0.1% | 2023-07-19 |
| The Procurement Partnership Ltd | Other | 1 | £119k | 0.1% | 2019-03-01 |
| Knowsley Council | Other | 1 | £99k | 0.1% | 2021-08-06 |
| London Borough of Barking and Dagenham | Other | 1 | £97k | 0.1% | 2019-07-09 |
| Hartlepool Borough Council | Other | 2 | £96k | 0.1% | 2023-10-12 |
| City of Doncaster Council | Other | 1 | £90k | 0.1% | 2023-11-01 |
| Blackpool Council | Other | 1 | £60k | 0.0% | 2017-09-30 |
| Northumberland | Other | 1 | £48k | 0.0% | 2018-08-24 |
| TAMESIDE METROPOLITAN BOROUGH COUNCIL | Other | 2 | £45k | 0.0% | 2022-07-27 |
| London Borough of Hackney | Other | 1 | £20k | 0.0% | 2021-03-01 |
| City Of Stoke-on-Trent | Other | 1 | £17k | 0.0% | 2020-07-17 |
| Dudley Metropolitan Borough Council | Other | 1 | £0k | 0.0% | 2023-08-03 |
| NY HIGHWAYS LIMITED | Other | 1 | £0k | 0.0% | |
| East Riding of Yorkshire Council | Other | 1 | £0k | 0.0% | |
| East Ayrshire Council | Other | 6 | £0k | 0.0% | |
| City of Bradford Metropolitan District Council | Other | 5 | £0k | 0.0% | |
| Renfrewshire Council | Other | 1 | £0k | 0.0% | |
| Leeds City Council - PACS | Other | 1 | £0k | 0.0% | |
| National Procurement Service (Welsh Government) | Other | 1 | £0k | 0.0% | |
| Falkirk Council | Other | 1 | £0k | 0.0% | |
| Scotland Excel | Other | 5 | £0k | 0.0% | |
| Dumfries and Galloway Council | Other | 1 | £0k | 0.0% | |
| Powys County Council | Other | 1 | £0k | 0.0% | |
| Oxford City Council | Other | 1 | £0k | 0.0% | |