| UK SHARED BUSINESS SERVICES LIMITED | Other | 2 | £61m | 41.5% | 2020-05-05 |
| Ministry of Defence | Other | 13 | £22m | 14.8% | 2026-03-16 |
| Hull City CouncilNew | Other | 4 | £11m | 7.7% | 2026-02-04 |
| Homes England (the name adopted by the Homes and Communities Agency) | Other | 3 | £8m | 5.2% | 2024-03-07 |
| Department for Energy Security & Net ZeroNew | Other | 5 | £7m | 5.1% | 2024-12-09 |
| Foreign Commonwealth and Development OfficeNew | Other | 4 | £6m | 4.4% | 2026-05-05 |
| Cheshire West and Chester Council | Other | 6 | £5m | 3.3% | 2026-03-11 |
| Imperial War MuseumNew | Other | 1 | £5m | 3.1% | 2026-03-23 |
| Liverpool City Council | Other | 1 | £3m | 2.2% | 2017-05-10 |
| Business Energy and Industrial Strategy | Other | 1 | £2m | 1.5% | 2022-11-14 |
| LondonEnergy LtdNew | Other | 2 | £2m | 1.2% | 2026-02-02 |
| North London Waste Authority | Other | 2 | £2m | 1.2% | 2023-03-02 |
| University of Leeds | Other | 2 | £1m | 1.0% | 2020-02-25 |
| Peabody Trust | Other | 1 | £1m | 0.9% | 2020-08-04 |
| Transport for London | Other | 6 | £1m | 0.9% | 2026-04-01 |
| Cumbria County Council | Other | 5 | £968k | 0.7% | 2018-03-22 |
| West Hertfordshire Hospitals NHS TrustNew | Other | 1 | £927k | 0.6% | 2025-06-09 |
| UNIVERSITY OF SOUTHAMPTON | Other | 1 | £784k | 0.5% | 2018-09-24 |
| Fusion21 Members Consortium | Other | 2 | £731k | 0.5% | 2020-01-28 |
| Notting Hill Genesis | Other | 2 | £458k | 0.3% | 2022-06-09 |
| National Highways LimitedNew | Other | 2 | £395k | 0.3% | 2026-03-11 |
| Dstan U K Defence Standardization | Other | 1 | £379k | 0.3% | 2023-10-11 |
| UK Research & Innovation | Other | 2 | £358k | 0.2% | 2021-06-25 |
| Fareham Borough Council | Other | 2 | £356k | 0.2% | 2022-06-13 |
| Ofgem | Other | 4 | £346k | 0.2% | 2022-09-01 |
| Connected Places Catapult | Other | 1 | £242k | 0.2% | 2022-05-30 |
| capitalEsourcing | Other | 1 | £240k | 0.2% | 2024-01-31 |
| Crawley Borough Council | Other | 1 | £237k | 0.2% | 2022-03-21 |
| North Somerset Council | Other | 1 | £208k | 0.1% | 2023-06-01 |
| UNIVERSITY OF DERBY | Other | 2 | £200k | 0.1% | 2021-04-26 |
| Defence Science and Technology Laboratory | Other | 1 | £186k | 0.1% | 2023-11-28 |
| West Yorkshire Combined Authority | Other | 1 | £178k | 0.1% | 2016-10-25 |
| The Crown EstateNew | Other | 1 | £160k | 0.1% | 2025-03-26 |
| UK SBSNew | Other | 2 | £140k | 0.1% | 2025-01-29 |
| L&Q Construction | Other | 1 | £125k | 0.1% | 2020-02-12 |
| SCHOOL OF ORIENTAL AND AFRICAN STUDIES | Other | 1 | £118k | 0.1% | 2018-06-25 |
| Oldham Council | Other | 1 | £100k | 0.1% | 2023-07-25 |
| QUADRANT CONSTRUCTION SERVICES LIMITED | Other | 2 | £95k | 0.1% | 2019-07-24 |
| Border to Coast Pensions Partnership Limited | Other | 3 | £92k | 0.1% | 2024-03-08 |
| Shropshire Council | Other | 1 | £89k | 0.1% | 2022-07-01 |
| East Sussex Healthcare NHS TrustNew | Other | 1 | £82k | 0.1% | 2025-03-25 |
| Department for Transport | Other | 1 | £75k | 0.1% | 2019-08-12 |
| Devon County CouncilNew | Other | 1 | £75k | 0.1% | 2024-11-15 |
| Bolton Metropolitan Borough Council | Other | 2 | £73k | 0.1% | 2019-04-18 |
| Offshore Renewable Energy Catapult | Other | 1 | £72k | 0.0% | 2020-10-16 |
| Bournemouth Christchurch and Poole Council | Other | 1 | £64k | 0.0% | 2022-10-05 |
| Coventry University | Other | 1 | £51k | 0.0% | 2021-09-10 |
| Hampshire County Council | Other | 1 | £38k | 0.0% | 2020-03-12 |
| DEFRA | Other | 3 | £24k | 0.0% | 2022-09-21 |
| South Downs National Park AuthorityNew | Other | 2 | £0k | 0.0% | 2026-04-21 |
| Hertfordshire County Council - Environment | Other | 1 | £0k | 0.0% | 2023-08-17 |
| Surrey County Council | Other | 1 | £0k | 0.0% | 2021-10-07 |
| The Association of North East Councils Limited | Other | 1 | £0k | 0.0% | 2017-09-19 |
| UK Research and Innovation | Other | 1 | £0k | 0.0% | |
| The West of England Combined Authority | Other | 2 | £0k | 0.0% | |
| Cardiff Council | Other | 3 | £0k | 0.0% | |
| DESNZ & DSIT Group Commercial | Other | 3 | £0k | 0.0% | |
| Zero Waste Scotland Ltd | Other | 1 | £0k | 0.0% | |
| East Riding of Yorkshire Council | Other | 1 | £0k | 0.0% | |
| Transport for Wales | Other | 1 | £0k | 0.0% | |
| Scottish Enterprise | Other | 1 | £0k | 0.0% | |
| THE CHANCELLOR MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE | Other | 1 | £0k | 0.0% | |
| Peel Ports Investments Limited | Other | 1 | £0k | 0.0% | |
| The Coal Authority | Other | 1 | £0k | 0.0% | |
| Isle of Anglesey County Council | Other | 1 | £0k | 0.0% | |
| Scotland Excel | Other | 3 | £0k | 0.0% | |
| Milford Haven Port Authority | Other | 1 | £0k | 0.0% | |
| KBS MARITIME LIMITED | Other | 1 | £0k | 0.0% | |
| ASSOCIATED BRITISH PORTS | Other | 1 | £0k | 0.0% | |
| CAMBRIDGE UNIVERSITY HOSPITALS NHS FOUNDATION TRUST | Other | 3 | £0k | 0.0% | |
| NCC Operations Limited | Other | 1 | £0k | 0.0% | |
| Hertfordshire County Council | Other | 1 | £0k | 0.0% | |
| Portsmouth City Council | Other | 2 | £0k | 0.0% | |