- National Inspection Council for Electrical Installation Contracting (NICEIC) is an independent body for electrical installation matters.
Website: www.niceic.com
Telephone: 0333 015 6625
- Gas Safety Register is the official list of gas engineers who are qualified to work safely and legally on gas appliances.
Website: https://www.gassaferegister.co.uk
Telephone: 0800 408 5500
- Federation of Master Builders (FMB)
Website: https://www.fmb.org.uk
Telephone: 01656 750 955
- National Federation of Builders (NFB)
Website: https://www.fmb.org.uk
Telephone: 0330 333 7777