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; Back-up (copying) of computer data; Computer program maintenance services; Computer security services (design and development of secure computer hardware, software and systems); Computer support services (computer hardware, software and peripherals advisory and information services); Computer virus protection services; Computerised business information storage; Computerised data storage services; Consultancy in the design and development of computer software; Information technology (IT) services (computer hardware, software and peripherals design and technical consultancy); Updating of computer programs; Updating of computer software; Information technology (IT) consultancy