development of software; computer software development; development of computer software; software development in the framework of software publishing; development of computer software application solutions; software creation; software engineering; consultancy in the design and development of computer software; computer software consultancy; development of computer platforms; computer software design; computer software engineering; design and development of computer software (for others); design of computer software; maintenance of computer software; development of computer systems; information technology (it) services (computer hardware, software and peripherals design and technical consultancy); computer software programming services; product development; computer security services (design and development of secure computer hardware, software and systems); development of computer programmes; development of computer codes; installation of middleware (software); computer software advisory services; upgrading of computer software; providing information, including online, about design and development of computer hardware and software; installation of computer software; advisory services relating to computer software; consultancy in the design and development of computer hardware; updating of computer software; writing of computer software; installation and maintenance of computer software; telecommunications technology consultancy; computer technology consultancy; installation, repair and maintenance of middleware (software); computer engineering consultancy services; computer programming consultancy; computer security engineering; research and development of products; development of new products; project management (design); research to develop new products; development of computer based networks; engineering project management services; design and development of computer hardware (for others)