Installation and maintenance services in relation to energy and/or environmental systems and associated heating, cooling and/or lighting plants, apparatus and equipment; installation of apparatus and equipment for controlling and regulating energy and/or environmental conditions; information, consultancy and advisory services relating to all the aforementioned services

Environmental consultancy services, including advisory services relating to environmental protection and conservation and compilation and provision of information relating to conservation and protection of the environment, being in relation to measuring and monitoring the environment within buildings and other structures and research into environmental effects of buildings and other structures; research relating to environmental protection; research relating to the conservation of energy; consultancy in the field of energy saving and energy efficiency; energy auditing; design services not being for or relating to the transmission, reproduction or manipulation of sound or music; design and development of computer hardware and software not being for or relating to the transmission, reproduction or manipulation of sound or music; installation, maintenance and repair of computer software not being for or relating to the transmission, reproduction or manipulation of sound or music; information, advisory and consultancy services in relation to all the aforementioned services