Advisory services relating to computer programming; Advisory services relating to computer software; Computer software advisory services; Computer support services (software advisory and information services); Computer software consultancy; Computer software development; Computer software design; Computer software programming services; Computer support services (programming and software installation, repair and maintenance services); Design of computer software; Consultancy in the design and development of computer software; Design and development of computer software; Design and development of computer software for others; Development of computer software; Computer security services (design and development of secure computer hardware, software and systems); Development of computer software application solutions; Development of software; Diagnosis of faults in computer software; Information technology (IT) services (computer hardware, software and peripherals design and technical consultancy); Information technology (IT) support services (troubleshooting of software); Installation of computer software; Installation, repair and maintenance of middleware (software); Installation and maintenance of computer software; Maintenance of computer software; Providing information, including online, about design and development of computer hardware and software; Repair of computer software; Software creation; Software development in the framework of software publishing; Computer software engineering; Software engineering; Software engineering services for data processing; Updating of computer software; Upgrading of computer software; Writing of computer software