Lowe & Oliver believes in high standards. To maintain the first class quality which has made us an industry leader, we work closely with the major trade bodies. Lowe & Oliver is: a member of the Electrical Contractors' Association (ECA), giving clients the assurance of the ECA warranty, bond and code of fair trading. accredited to the independently audited and internationally recognised ISO 9001:2001 quality management standard. a member of the National Inspection Council for Electrical Installation Contractors (NICEIC), the UK consumer safety organisation and independent regulatory body. a member of the Heating and Ventilating Contractors' Association (HVCA) which carries out third-party checks to ensure our technical and commercial competence. registered with the Council of Registered Gas Installers (Corgi), the national watchdog for gas safety. a registered member of the Joint Industry Board for the Electrical Contracting Industry, which operates an autonomous professional grading scheme for electricians.   By Royal Appointment Lowe & Oliver is one of a very few UK companies to hold a coveted Royal Warrant. We are extremely proud to be entitled to display the words, 'By Appointment to Her Majesty the Queen'.