Royal Institute of British Architects (RIBA)

Architects Registration Board (ARB)

Association for Project Management (APM)

Royal Institute of Chartered Surveyors (RICS)

The Institute of Structural Engineers  (ISE)

Royal Town Planning Institute (RTPI)

Chartered Institution of Building Services Eengineers (CIBSE)

Chartered Institute of Architectural Technologists (CIAT)

The Chartered Institute of Building (CIOB)

The Chartered Institute of Arbitrators (CIArb) 

Planning Portal 

Health and Safety Executive (HSE)