42 Website design; software design; software creation; software research; design of software; design of websites; design of games; database design; computer programming; software development; software engineering; maintaining databases; maintenance of software; maintenance of websites; computer website design; installation of firmware; installation of software; programming of web pages; web site design services; software design (computer -); smartphone software design; design of computer programs; design of computer software; update of computer software; design of computer database; developing computer software; development of data programs; testing of computer software; installing computer programs; writing of computer programs; writing of computer software; computer software engineering; creating of computer programs; design of information systems; software maintenance services; updating of computer software; designing of computer programs; design of computers for others; software customisation services; electronic data backup services; compilation of computer programs; design of computer game software; design of programs for computers; design, maintenance and updating of computer software; design, updating and maintenance of computer software; development of software for audio and video operators; design and development of computer software architecture; design and development of software for instant messaging; feasibility study services relating to computer software; design and development of software for database management; installation, maintenance and updating of database software; installation, maintenance, updating and upgrading of computer software; design and development of software in the field of mobile applications