• British Standards Institution (BSI)

    BSI Group, also known in its home market as the British Standards Institution (or BSI), is a multinational business services provider whose principal activity is the production of standards and the supply of standards-related services.
  • Confederation of Aerial Industries Limited (CAI)

    The CAI is the recognised body for the aerial and satellite industry. They are committed to raising Standards within the industry and the criteria for membership is extremely high.

  • CORGI Services Ltd (CSL)

    Previously the watchdog for gas safety in the UK, CORGI now covers several trades, along side managing the gas schemes in Northern Ireland and the Channel Islands

  • Custom Electronic Design & Installation Association (CEDIA)

    CEDIA is an organisation of experienced companies involved in the design and installation of electronic systems for the home.


    ELECSA provides inspection, assessment and certification services to contractors working with electrical installations in private dwellings.

  • Electrical Contractors' Association (ECA)

    The role of the ECA is to provide a focus for the electrical industry in terms of safety, training, qualification, technological development and industry performance.

  • Electrical Contractors' Association of Scotland (SELECT)

    SELECT is an independent and autonomous association driving up industry standards, ensuring that work carried out by Member companies is of the highest quality and training.

  • National Inspection Council for Electrical Installation Contracting (NICEIC)

    NICEIC is the electrical contracting industry’s independent voluntary body for electrical installation matters throughout the UK.

  • Stroma Certification Ltd (STROMA)

    Stroma Certification offers Competent Person Schemes (CPS) covering a number of different trades. Membership of STROMA allows installers to self-certify their installations as meeting the Building Regulations.