Advisory services relating to computer hardware, computer software, computer programming, computer systems analysis and computer systems design; compilation of information relating to information technology; computer disaster recovery services; computer network services; computer software development; 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 information technology; information technology (IT) services (computer hardware, software and peripherals design and technical consultancy); installation and maintenance of computer software; provision of information relating to information technology; rental of computer apparatus, equipment, hardware, firmware, middleware and software; research relating to technology; testing of computers and software