| National Highways Limited | Other | 7 | £15m | 33.5% | 2026-05-13 |
| National Highways | Other | 9 | £8m | 17.5% | 2025-03-25 |
| North Yorkshire County Council | Other | 6 | £5m | 11.4% | 2022-03-01 |
| City of Bradford Metropolitan District Council | Other | 1 | £3m | 6.4% | |
| Warwickshire County CouncilNew | Other | 5 | £3m | 5.7% | 2026-02-02 |
| Kent County Council | Other | 4 | £860k | 2.0% | 2025-10-01 |
| Devon County Council | Other | 2 | £860k | 2.0% | 2022-12-20 |
| DfI Transport and Road Asset Management (TRAM)New | Other | 3 | £720k | 1.6% | 2025-08-19 |
| The Association of North East Councils Limited | Other | 1 | £700k | 1.6% | 2018-06-30 |
| Leicestershire County Council | Other | 4 | £643k | 1.5% | 2024-05-30 |
| Stockport Metropolitan Borough Council | Other | 1 | £624k | 1.4% | 2022-08-10 |
| Kirklees Council | Other | 3 | £533k | 1.2% | 2025-07-29 |
| Met Office | Other | 15 | £506k | 1.1% | 2026-03-17 |
| Trafford Council | Other | 1 | £500k | 1.1% | 2017-10-02 |
| Surrey County Council | Other | 2 | £453k | 1.0% | 2023-08-31 |
| East Riding of Yorkshire Council | Other | 4 | £436k | 1.0% | 2023-04-27 |
| North Lincolnshire Council | Other | 5 | £383k | 0.9% | 2024-10-24 |
| Highways Agency | Other | 2 | £307k | 0.7% | 2018-06-13 |
| Durham County Council | Other | 1 | £305k | 0.7% | 2023-11-06 |
| Bradford Metropolitan District Council | Other | 1 | £300k | 0.7% | 2017-09-04 |
| Transport for London | Other | 2 | £279k | 0.6% | 2016-10-01 |
| Westmorland and Furness CouncilNew | Other | 1 | £266k | 0.6% | 2025-11-25 |
| Worcestershire County Council | Other | 1 | £248k | 0.6% | 2024-04-30 |
| Halton Borough Council | Other | 2 | £186k | 0.4% | 2025-09-26 |
| West Midlands Combined Authority | Other | 2 | £179k | 0.4% | 2024-04-01 |
| Derbyshire County Council | Other | 2 | £179k | 0.4% | 2023-08-11 |
| Doncaster MBC | Other | 2 | £177k | 0.4% | 2021-08-03 |
| Lancashire County Council | Other | 2 | £168k | 0.4% | 2021-09-23 |
| South Gloucestershire Council | Other | 1 | £165k | 0.4% | 2019-09-15 |
| Herefordshire Council | Other | 2 | £160k | 0.4% | 2023-10-23 |
| East Riding of Yorkshire | Other | 1 | £142k | 0.3% | 2021-08-26 |
| Bristol City Council | Other | 2 | £134k | 0.3% | 2023-08-23 |
| Shropshire Council | Other | 1 | £114k | 0.3% | 2021-05-31 |
| Sefton Council | Other | 2 | £82k | 0.2% | 2016-06-08 |
| Knowsley Council | Other | 1 | £81k | 0.2% | 2021-10-07 |
| Liverpool City Council | Other | 1 | £68k | 0.2% | 2021-11-26 |
| Rutland County Council | Other | 1 | £68k | 0.2% | 2022-06-15 |
| Sunderland City Council | Other | 1 | £66k | 0.2% | 2022-10-12 |
| Peterborough City Council | Other | 1 | £55k | 0.1% | 2024-05-14 |
| Northumberland County CouncilNew | Other | 1 | £51k | 0.1% | 2025-08-15 |
| Nottingham City CouncilNew | Other | 1 | £46k | 0.1% | 2024-08-05 |
| Leeds City Council | Other | 2 | £44k | 0.1% | 2021-04-23 |
| Department for Transport | Other | 1 | £37k | 0.1% | 2020-03-18 |
| Torbay Council | Other | 1 | £32k | 0.1% | 2022-09-14 |
| West Berkshire Council | Other | 1 | £30k | 0.1% | 2024-05-02 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 1 | £20k | 0.0% | 2022-01-01 |
| WAKEFIELD COUNCIL | Other | 1 | £15k | 0.0% | 2023-10-01 |
| London Borough of Enfield | Other | 2 | £13k | 0.0% | 2019-04-25 |
| Transport Systems Catapult | Other | 1 | £0k | 0.0% | 2019-03-15 |
| UK Research and Innovation | Other | 1 | £0k | 0.0% | |
| Norfolk County Council | Other | 2 | £0k | 0.0% | |
| Cambridgeshire County Council | Other | 1 | £0k | 0.0% | |
| Via East Midlands | Other | 1 | £0k | 0.0% | |
| West Berkshire District Council | Other | 1 | £0k | 0.0% | |
| Carmarthenshire County Council | Other | 1 | £0k | 0.0% | |
| Salford City Council | Other | 3 | £0k | 0.0% | |
| Department for Infrastructure | Other | 2 | £0k | 0.0% | |
| Tayside Procurement Consortium | Other | 2 | £0k | 0.0% | |
| Merseytravel | Other | 1 | £0k | 0.0% | |
| Comhairle nan Eilean Siar | Other | 2 | £0k | 0.0% | |
| UK Hydrographic Office | Other | 2 | £0k | 0.0% | |
| Plymouth City Council | Other | 1 | £0k | 0.0% | |
| Cheshire West and Chester Council | Other | 1 | £0k | 0.0% | |
| Liverpool City Region Combined Authority | Other | 1 | £0k | 0.0% | |
| Hull City Council | Other | 1 | £0k | 0.0% | |