The National Inspection Council for Electrical Installation Contracting is the industry's independent, non profit-making, voluntary regulatory body covering the whole of the UK whose sole purpose is to protect consumers from unsafe and unsound electrical work - http://www.niceic.org.uk

Chartered Institute of Building - http://www.ciob.org.uk

Chartered Institution of Building Services Engineers (CIBSE) - http://www.cibse.org

Chartered Institute of Environmental Health - http://www.cieh.org.uk

City and Guilds - http://www.city-and-guilds.co.uk

Constructionline the UK's register of pre-qualified construction services - http://www.constructionline.co.uk

Department of Trade and Industry - http://www.dti.gov.uk

Health and Safety Executive - http://www.hse.gov.uk

Institution of Incorporated Engineers - http://www.iie.org.uk

Institution of Electrical Engineers (IEE) - http://www.ieee.org.uk

National Quality Assurance - http://www.nqa.com

Royal Institute of British Architects - http://www.architecture.com