Advisory services relating to computer hardware; advisory services relating to computer software; advisory services relating to computer systems analysis; computer licensing; computer network services; computer program maintenance 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 software design; computer software development; computer software engineering; computer software licensing; computer support services (computer hardware, software and peripherals advisory and information services); computer support services (programming and software installation, repair and maintenance services); computer system design; computer systems analysis; design and development of computer hardware (for others); design and development of computer software (for others); development of computer based networks; development of computer programmes; development of computer software; development of computer software application solutions; development of computer systems; diagnosis of faults in computer software; engineering services relating to computer programming; engineering services relating to computers; information services relating to computers; information technology (IT) services (computer hardware, software and peripherals design and technical consultancy); installation and maintenance of computer software; licensing of computer firmware; licensing of computer programs; licensing of computer software; maintenance of computer programs; preparation of reports relating to computer programs; preparation of reports relating to computers; provision of information relating to computer programs; provision of technical information in relation to computers