Installation of audio electrical apparatus; Installation of lighting systems; Installation and repair of telecommunication apparatus; Installation of security systems; Laying of cables; Maintenance and repair of electronic apparatus; Maintenance and repair of communications systems; Maintenance, installation and repair of electrical items and equipment; Maintenance and servicing of security alarms; Replacement of lights; Residential, commercial and industrial installation and repair of electrical and computer wiring and cabling

Advisory services relating to the safety of products; Inspection of the condition of electrical equipment; Inspection (testing) of commercial installations; Design of lighting systems; Design of telecommunications installations; Design of communication systems; Design of electrical systems; Design of electronic systems; Inspection (testing) of domestic installations; Inspection (testing) of industrial installations; Safety testing and tagging of electrical equipment; Testing services for the certification of quality and standards; Testing, analysis and evaluation services relating to the application of commercial standards; Testing, analysis and evaluation services relating to the application of industry standards