Computer advisory services; computer consultancy services; computer database consultancy services; computer programming consultancy; computer software consultancy; hosting computer sites (web sites); computerised business information storage; advisory services relating to computer programming; back-up (copying) of computer data; computer advisory services; computer consultancy services; computer database consultancy services; computer programming; computer programming consultancy; 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 development; computer virus protection services; computerised business information storage; computerised data storage services; design and development of computer software (for others); development of computer software application solutions; hosting computer sites (web sites); maintenance of computer software; providing information, including online, about design and development of computer hardware and software; rental of computer hardware; updating of computer programs; writing of computer programs