Installation of communications network apparatus; installation of communications network instruments; installation of data network apparatus; maintenance and repair of data communications networks; maintenance of data communication networks; information technology (IT) services (computer and computer peripherals installation and maintenance); installation of computerised information systems; providing information, including online, about building construction, and repair and installation services; provision of construction information; provision of information in relation to building construction; provision of information in relation to the repair, maintenance and installation of goods; information technology (IT) services (computer and computer peripherals installation and maintenance); computer support services (installation repair and maintenance of computer hardware and peripherals); information technology (IT) services (computer and computer peripherals installation and maintenance); installation and repair of computer hardware; installation of computerised information systems; installation of computers; installation of middleware (computer hardware); installation, maintenance and repair of computer hardware; installation, maintenance and repair of computer peripherals; installation, maintenance and repair of middleware (computer hardware); maintenance and repair of computer hardware; maintenance and repair of computers; maintenance of computers; maintenance services relating to computer hardware; repair of computers

Computer network services; computer security services (testing and risk assessment of computer networks); development of computer based networks; computer support services (computer hardware, software and peripherals advisory and information services); information services relating to computers; information services relating to information technology; information technology (IT) services (computer hardware, software and peripherals design and technical consultancy); compilation of information relating to information technology; information services relating to information technology; information technology (IT) services (computer hardware, software and peripherals design and technical consultancy); provision of information relating to information technology; advisory services relating to computer hardware; advisory services relating to computer programming; advisory services relating to computer software; advisory services relating to computer systems analysis; advisory services relating to computer systems design; analytical services relating to computers; back-up (copying) of computer data; computer advisory services; computer analysis; computer consultancy; computer consultancy services; computer disaster recovery services; computer engineering consultancy services; computer firewall services; computer network services; computer program advisory services; computer security services (design and development of secure computer hardware, software and systems); computer security services (programming and software installation repair and maintenance services); computer security services (testing and risk assessment of computer networks); computer support services (computer hardware, software and peripherals advisory and information services); computer support services (programming and software installation, repair and maintenance services); information services relating to computers; information technology (IT) services (computer hardware, software and peripherals design and technical consultancy); installation and maintenance of computer software; installation of computer software; maintenance of computer programs; maintenance of computer software; modifying of computer programs; providing information, including online, about design and development of computer hardware and software; provision of information relating to computer programming; provision of information relating to computers; remote monitoring of computer systems; updating of computer software