| THE GUINNESS PARTNERSHIP LIMITED | Other | 5 | £181m | 43.5% | 2026-01-29 |
| WAKEFIELD COUNCIL | Other | 5 | £168m | 40.2% | 2026-05-13 |
| London Borough of NewhamNew | Other | 4 | £27m | 6.5% | 2026-03-25 |
| Northern Housing Consortium Ltd | Other | 2 | £9m | 2.1% | 2018-04-16 |
| CLARION HOUSING GROUP LIMITED | Other | 1 | £3m | 0.8% | 2020-03-31 |
| Fusion21 Members Consortium | Other | 3 | £3m | 0.7% | 2024-07-08 |
| Swindon Borough Council | Other | 1 | £3m | 0.7% | 2023-06-27 |
| Espo | Other | 6 | £3m | 0.6% | 2018-06-18 |
| Supply Hertfordshire | Other | 1 | £2m | 0.6% | 2019-01-29 |
| NORTHERN HOUSING CONSORTIUM LIMITED | Other | 7 | £2m | 0.5% | 2025-11-27 |
| Blackpool Council | Other | 2 | £2m | 0.4% | 2018-02-14 |
| London Borough of Hillingdon | Other | 2 | £1m | 0.4% | 2025-05-01 |
| Rotherham MBC | Other | 2 | £1m | 0.3% | 2018-04-09 |
| Peterborough City Council | Other | 2 | £1m | 0.3% | 2018-12-04 |
| NHS Supply Chain | Other | 11 | £1m | 0.3% | 2019-06-24 |
| Hertfordshire County Council - Resources | Other | 1 | £1m | 0.3% | 2022-12-12 |
| Leeds City Council | Other | 3 | £943k | 0.2% | 2022-06-28 |
| Sunderland City Council | Other | 3 | £857k | 0.2% | 2023-03-03 |
| Manchester City Council | Other | 4 | £853k | 0.2% | 2020-07-16 |
| YPO | Other | 1 | £833k | 0.2% | 2018-04-26 |
| Middlesbrough Council | Other | 2 | £670k | 0.2% | 2023-01-20 |
| Rotherham Metropolitan Borough Council | Other | 2 | £524k | 0.1% | 2022-04-11 |
| Knowsley Council | Other | 1 | £514k | 0.1% | 2020-10-20 |
| Thurrock Council | Other | 1 | £500k | 0.1% | 2016-11-01 |
| CHESHIRE EAST COUNCIL | Other | 1 | £400k | 0.1% | 2024-03-04 |
| Redditch Borough Council | Other | 2 | £340k | 0.1% | 2026-01-30 |
| LGSS Procurement on behalf of 3 District Councils in Cambridgeshire, including Cambs HIA. | Other | 1 | £258k | 0.1% | 2017-04-10 |
| Southend-on-sea Borough Council | Other | 2 | £251k | 0.1% | 2019-07-26 |
| Great Yarmouth Borough Council | Other | 1 | £250k | 0.1% | 2019-04-23 |
| CORBY BOROUGH COUNCIL | Other | 1 | £230k | 0.1% | 2019-07-23 |
| Sandwell Metropolitan Borough CouncilNew | Other | 1 | £180k | 0.0% | 2025-02-28 |
| South Gloucestershire Council | Other | 1 | £150k | 0.0% | 2019-11-04 |
| Barnsley Metropolitan Borough Council | Other | 2 | £135k | 0.0% | 2026-05-11 |
| Bradford Metropolitan District Council | Other | 1 | £121k | 0.0% | 2017-05-23 |
| Nottinghamshire County Council | Other | 2 | £120k | 0.0% | 2022-04-08 |
| Richmondshire District Council | Other | 1 | £24k | 0.0% | 2018-05-28 |
| Suffolk County Council Workforce Development | Other | 1 | £14k | 0.0% | 2023-06-30 |
| Luton Council | Other | 1 | £5k | 0.0% | 2023-05-17 |
| Durham County Council | Other | 2 | £1k | 0.0% | 2021-04-27 |
| Newcastle City CouncilNew | Other | 2 | £0k | 0.0% | 2025-08-05 |
| Harrogate Borough Council | Other | 1 | £0k | 0.0% | 2018-06-21 |
| SUPPLY CHAIN COORDINATION LIMITED | Other | 1 | £0k | 0.0% | |
| Glasgow City Council | Other | 3 | £0k | 0.0% | |
| The Council of the City of Wakefield | Other | 1 | £0k | 0.0% | |
| Aberdeenshire Council | Other | 1 | £0k | 0.0% | |
| East Ayrshire Council | Other | 1 | £0k | 0.0% | |
| NHS Ayrshire & Arran | Other | 5 | £0k | 0.0% | |
| NHS Highland | Other | 2 | £0k | 0.0% | |
| Bolton Metropolitan Borough Council | Other | 1 | £0k | 0.0% | |
| Lancashire County Council | Other | 2 | £0k | 0.0% | |
| City of Bradford Metropolitan District Council | Other | 1 | £0k | 0.0% | |
| Worcestershire County Council | Other | 1 | £0k | 0.0% | |
| Hertfordshire County Council | Other | 2 | £0k | 0.0% | |
| NHS SHARED BUSINESS SERVICES LIMITED | Other | 2 | £0k | 0.0% | |
| The Guinness Partnership Ltd | Other | 1 | £0k | 0.0% | |
| North Ayrshire Council | Other | 2 | £0k | 0.0% | |