| BIP SOLUTIONS LIMITEDNew | Other | 1 | £10m | 47.7% | 2024-07-02 |
| Nottingham City CouncilNew | Other | 1 | £3m | 14.6% | 2025-03-03 |
| Conwy County Borough CouncilNew | Other | 4 | £1m | 5.2% | 2025-09-11 |
| Leeds City Council | Other | 5 | £1m | 5.1% | 2016-05-03 |
| UBICO LIMITED | Other | 8 | £865k | 4.0% | 2026-03-23 |
| Wiltshire Fire And Rescue ServiceNew | Other | 4 | £611k | 2.8% | 2026-01-21 |
| Durham County CouncilNew | Other | 1 | £398k | 1.9% | 2026-04-09 |
| Barnsley Metropolitan Borough Council | Other | 1 | £390k | 1.8% | 2020-08-06 |
| Stoke-on-Trent City Council | Other | 4 | £335k | 1.6% | 2023-05-03 |
| TAMESIDE METROPOLITAN BOROUGH COUNCIL | Other | 2 | £317k | 1.5% | 2025-08-11 |
| Bath and North East Somerset Council | Other | 4 | £309k | 1.4% | 2024-09-18 |
| Guildford Borough Council | Other | 1 | £280k | 1.3% | 2017-04-13 |
| Neath Port Talbot County Borough Council | Other | 1 | £230k | 1.1% | 2024-01-04 |
| Cabinet OfficeNew | Other | 1 | £221k | 1.0% | 2025-09-29 |
| Wolverhampton City Council | Other | 5 | £168k | 0.8% | 2024-08-22 |
| Ministry of Defence | Other | 1 | £162k | 0.8% | 2022-10-06 |
| Southampton City Council | Other | 1 | £143k | 0.7% | 2017-10-16 |
| Exeter City Council | Other | 2 | £141k | 0.7% | 2018-12-18 |
| South Ribble Borough Council | Other | 1 | £129k | 0.6% | 2016-05-06 |
| Perth & Kinross CouncilNew | Other | 1 | £124k | 0.6% | 2025-11-14 |
| Watford Borough CouncilNew | Other | 1 | £121k | 0.6% | 2025-05-01 |
| Aberdeenshire Council | Other | 1 | £116k | 0.5% | 2017-01-30 |
| TORBAY AND SOUTH DEVON NHS FOUNDATION TRUST | Other | 1 | £105k | 0.5% | 2023-07-25 |
| Alliance Environmental Services LtdNew | Other | 1 | £95k | 0.4% | 2025-02-12 |
| KINGSTOWN WORKS LIMITED | Other | 1 | £90k | 0.4% | 2016-05-12 |
| Bedford Borough Council | Other | 1 | £88k | 0.4% | 2017-07-20 |
| Nottinghamshire County CouncilNew | Other | 1 | £73k | 0.3% | 2025-05-15 |
| Derbyshire Fire Authorities | Other | 1 | £70k | 0.3% | 2023-11-02 |
| CHESHIRE EAST COUNCILNew | Other | 1 | £60k | 0.3% | 2025-06-19 |
| Fylde Borough CouncilNew | Other | 1 | £47k | 0.2% | 2025-03-26 |
| Cheshire Constabulary on behalf of the Police and Crime Commissioner for CheshireNew | Other | 1 | £44k | 0.2% | 2026-02-27 |
| Liverpool City CouncilNew | Other | 1 | £32k | 0.1% | 2025-03-27 |
| North Somerset Council | Other | 2 | £30k | 0.1% | 2017-01-04 |
| Tyne And Wear Fire And Rescue ServiceNew | Other | 1 | £28k | 0.1% | 2026-05-14 |
| Huntingdonshire District Council | Other | 1 | £22k | 0.1% | 2019-03-25 |
| Hertfordshire County Council | Other | 1 | £19k | 0.1% | 2019-02-11 |
| Hull City Council (Kingstown Works Ltd) | Other | 1 | £17k | 0.1% | 2017-05-11 |
| BFI | Other | 1 | £0k | 0.0% | 2016-01-06 |
| Halton Housing c/o Link Group | Other | 1 | £0k | 0.0% | |
| Kent County Council (t/a KCS Procurement Services) | Other | 1 | £0k | 0.0% | |
| East Dunbartonshire Council | Other | 1 | £0k | 0.0% | |