The twenty-two Welsh local authorities are members of CLAW, plus some of the Welsh police authorities and Constructing Excellence in Wales.
- Blaenau Gwent County Borough Council;
- Bridgend County Borough Council;
- Caerphilly County Borough Council;
- Cardiff County Council;
- Carmarthenshire County Council;
- Cyngor Sir Ceredigion County Council;
- Conwy County Borough Council;
- Constructing Excellence in Wales;
- Denbighshire County Council;
- Flintshire County Council;
- Gwynedd County Council;
- Merthyr Tydfil County Borough Council;
- Monmouthshire County Council;
- Neath Port Talbot County Borough Council;
- Newport City Council;
- North Wales Police
- Pembrokeshire County Council;
- Powys County Council;
- Rhondda Cynon Taff County Borough Council;
- City and County of Swansea;
- Torfaen County Borough Council;
- Vale of Glamorgan Borough Council;
- Wrexham County Borough Council;
- Ynys Môn County Council.