GasSafe is considered the leading authority for information on gas safety issues around the home. Today, they also provides information and support for other trades including plumbing and electrical work.

The Institute of Plumbers through their commitment to Professionalism, Responsibility and Competence members of the Institute play an active role in the advancement of plumbing standards to safeguard public health and safety. Institute members are professionals who can be trusted whatever their role in the industry.

The Association of Plumbing and Heating Contractors (APHC) is the Leading Employers Trade Association for the Plumbing and Heating Industry in England and Wales.

Safecontractor
Many large organisations now use Safecontractor as their primary means of selecting contractors.