computer software development; computer software consultancy; software creation; computer software design; software engineering; computer software engineering; computer software programming services; development of computer software; updating of computer software; installation of computer software; development of computer software application solutions; computer software advisory services; upgrading of computer software; design of computer software; maintenance of computer software; installation of middleware (software); repair of computer software; development of software; writing of computer software; rental of computer software; software development in the framework of software publishing; advisory services relating to computer software; Advisory services relating to computer software; 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 advisory services; Computer software consultancy; Computer software design; Computer software development; Computer software engineering; Computer software programming services; Computer support services (computer hardware, software and peripherals advisory and information services); Computer support services (programming and software installation, repair and maintenance services); Consultancy in the design and development of computer software; Design and development of computer software (for others); Design of computer software; Development of computer software; Development of computer software application solutions; Development of software; Diagnosis of faults in computer software; Hosting of software as a service (SaaS); Information technology (IT) services (computer hardware, software and peripherals design and technical consultancy); Installation and maintenance of computer software; Installation of computer software; Installation of middleware (software); Installation, repair and maintenance of middleware (software); Maintenance of computer software; Online provision of web-based software (non-downloadable); Providing information, including online, about design and development of computer hardware and software; Provision of online non-downloadable software (application service provider); Repair of computer software; Software as a service (SaaS); Software creation; Software development in the framework of software publishing; Software engineering; Updating of computer software; Upgrading of computer software; Writing of computer software