| Transport Committee | Select | 189 |
| Climate Change, Environment, and Infrastructure Committee | Committees | 127 |
| Economy, Infrastructure and Skills Committee | Committees | 96 |
| Petitions Committee | Committees | 43 |
| Public Accounts and Public Administration Committee | Committees | 42 |
| Public Accounts Committee | Select | 21 |
| Public Accounts Committee | Committees | 16 |
| Dumfries and Galloway Council | Scotland | 9 |
| Edinburgh City Council | Scotland | 9 |
| Bristol City Council | South West | 5 |
| Cambridgeshire County Council | East of England | 5 |
| Cambridge City Council | East of England | 4 |
| Greater London Authority (London Assembly) | London | 4 |
| Committee for the Scrutiny of the First Minister | Committees | 3 |
| Aberdeenshire Council | Scotland | 3 |
| Fenland District Council | East of England | 3 |
| Welsh Youth Parliament 3 - Plenary | Welsh Youth Parliament | 3 |
| Portsmouth City Council | South East | 3 |
| Planning and Environmental Appeals Division (DPEA) | Scotland | 3 |
| Somerset Council | South West | 3 |
| South Lanarkshire Council | Scotland | 3 |
| North Somerset Council | South West | 3 |
| Perth and Kinross Council | Scotland | 2 |
| Herefordshire Council | West Midlands | 2 |
| Leeds City Council | Yorkshire and the Humber | 2 |
| Lincolnshire County Council | East Midlands | 2 |
| Tees Valley Combined Authority | North East | 2 |
| Falkirk Council | Scotland | 2 |
| Newham London Borough Council | London | 2 |
| Fermanagh and Omagh District Council | Northern Ireland | 2 |
| Wokingham Borough Council | South East | 2 |
| Oxford City Council | South East | 2 |
| South Cambridgeshire District Council | East of England | 1 |
| Spelthorne Borough Council | South East | 1 |
| Staffordshire County Council | West Midlands | 1 |
| Swale Borough Council | South East | 1 |
| Swansea Council | Wales | 1 |
| Tower Hamlets London Borough Council | London | 1 |
| Trafford Metropolitan Borough Council | North West | 1 |
| Scottish Affairs Committee | Select | 1 |
| Backbench Business Committee | Select | 1 |
| Environment and Climate Change Committee | Select | 1 |
| Environmental Audit Committee | Select | 1 |
| Waverley Borough Council | South East | 1 |
| West Sussex County Council | South East | 1 |
| Worcestershire County Council | West Midlands | 1 |
| Aberdeen City Council | Scotland | 1 |
| City of York Council | Yorkshire and the Humber | 1 |
| Angus Council | Scotland | 1 |
| Armagh City, Banbridge and Craigavon Borough Council | Northern Ireland | 1 |