| Home Office | Other | 4 | £6m | 24.7% | 2024-03-28 |
| Transport for London | Other | 1 | £5m | 20.1% | 2018-01-30 |
| Espo | Other | 3 | £4m | 16.6% | 2020-03-31 |
| Post Office Limited | Other | 2 | £2m | 8.3% | 2023-03-20 |
| Cornwall Council | Other | 3 | £1m | 4.1% | 2021-04-13 |
| Liverpool City Council | Other | 2 | £958k | 4.0% | 2022-04-28 |
| Knowsley Council | Other | 3 | £617k | 2.6% | 2023-07-31 |
| Birmingham City Council | Other | 1 | £614k | 2.5% | 2023-11-29 |
| East Riding of Yorkshire Council | Other | 2 | £600k | 2.5% | 2022-10-19 |
| Wakefield Council Customer Service | Other | 2 | £430k | 1.8% | 2018-11-12 |
| CHESHIRE EAST COUNCIL | Other | 1 | £400k | 1.7% | 2016-04-25 |
| HM Revenue & Customs | Other | 1 | £375k | 1.6% | 2019-07-26 |
| Devon County Council | Other | 1 | £309k | 1.3% | 2017-04-06 |
| ATAMIS LTD | Other | 1 | £215k | 0.9% | 2021-08-31 |
| Hampshire County CouncilNew | Other | 1 | £195k | 0.8% | 2025-05-19 |
| East Riding of Yorkshire | Other | 1 | £175k | 0.7% | 2021-05-28 |
| Teignbridge District Council | Other | 1 | £140k | 0.6% | 2017-06-13 |
| Halton Borough Council | Other | 1 | £110k | 0.5% | 2019-07-26 |
| Norwich City Council | Other | 1 | £101k | 0.4% | 2018-11-15 |
| West Yorkshire Combined Authority | Other | 1 | £100k | 0.4% | 2024-01-16 |
| National Highways Limited | Other | 1 | £100k | 0.4% | 2017-11-29 |
| Isle of Wight Council | Other | 1 | £96k | 0.4% | 2022-03-25 |
| Surrey & Borders Partnership N H S Foundation Trust | Other | 1 | £95k | 0.4% | 2017-11-02 |
| East Suffolk CouncilNew | Other | 1 | £84k | 0.3% | 2024-10-28 |
| Torbay Council | Other | 2 | £84k | 0.3% | 2021-12-01 |
| SOUTH YORKSHIRE PASSENGER TRANSPORT EXECUTIVE | Other | 1 | £66k | 0.3% | 2019-02-13 |
| West Midlands Combined Authority | Other | 1 | £62k | 0.3% | 2019-07-16 |
| Folkestone and Hythe District Council | Other | 1 | £61k | 0.3% | 2021-11-30 |
| Hull City Council | Other | 2 | £61k | 0.3% | 2025-05-01 |
| Babergh and Mid Suffolk District CouncilsNew | Other | 1 | £60k | 0.2% | 2024-12-12 |
| Richmondshire District Council | Other | 1 | £52k | 0.2% | 2016-07-20 |
| UNIVERSITY OF CENTRAL LANCASHIRE HEC | Other | 1 | £45k | 0.2% | 2018-10-02 |
| Surrey and Borders Partnership NHS Foundation Trust | Other | 1 | £30k | 0.1% | 2022-04-12 |
| United Lincolnshire Hospitals NHS TrustNew | Other | 1 | £26k | 0.1% | 2024-12-04 |
| Wirral Borough Council | Other | 1 | £24k | 0.1% | 2020-05-19 |
| Lancaster City Council | Other | 1 | £16k | 0.1% | 2018-09-05 |
| Driver & Vehicle Standards Agency | Other | 1 | £5k | 0.0% | 2019-09-20 |
| Caerphilly County Borough Council | Other | 1 | £0k | 0.0% | |
| Scotland Excel | Other | 1 | £0k | 0.0% | |
| Historic Environment Scotland | Other | 1 | £0k | 0.0% | |
| English Heritage | Other | 4 | £0k | 0.0% | |
| Durham County Council | Other | 1 | £0k | 0.0% | |
| Translink | Other | 1 | £0k | 0.0% | |
| MERSEYRAIL ELECTRICS 2002 LIMITED | Other | 1 | £0k | 0.0% | |
| Royal Mint | Other | 1 | £0k | 0.0% | |