42 Updating of web sites; compilation of web pages for the Internet; advice regarding website design; consultant services with respect to Web page design; consultancy relating to the creation of home pages and Internet pages; consultant services with respect to website creation and design; consultant services with respect to website creation and design for e-commerce; consultant services with respect to Web page design; design and construction of home pages and web sites; design and updating of home pages and web pages; design of Web portals; programming services in the field of information technology; engineering and information technology; services provided by consultants and information services relating to information technology; providing advice and information services with respect to software; consultancy and information services relating to computer programming; consultancy and information services relating to the design, programming and maintenance of software; services provided by consultants and information services relating to software design; consultancy and information services relating to software rental; consultancy and information services relating to software maintenance; consultancy and information services on the integration of computer systems; consultant and information services with respect to information technology architecture and infrastructure; programming of software for information platforms on the Internet; design and development of information and communication technology; information technology engineering; creation and design of information directories based on web sites for others (information technology services); consultant services with respect to design and development of communications and information technology; development and testing of computing methods, algorithms and software; development and maintenance of computer database software; consultant services in the field of engineering and information technology; development and maintenance of software; creation and development of computer programs for data processing; software development services; Web site development; development of algorithms and computing methods for processing telecommunication and navigation signals; development of algorithms and computing methods for producing data relating to telecommunications and navigation; consultant services with respect to computer hardware design and development; consultant services with respect to design, development and use of computer hardware and computer software; design, development, maintenance and updating of software; design and development of data entry systems; design and development of data processing systems; design and development of data storage systems; development (design) and development of electronic data security systems; development (design) and development of electronic data security systems; Web page design and development; design and development of testing and analysis methods; design and development of computer hardware and software; database design and development; design and development of computers and software; design and development of computers and programs for computers; design and development of electronic databases; design and development of software architecture; design and development of computer hardware architecture; provision of online information relating to the design and development of computer hardware and software; providing information in the field of software development; provision of information in the field of product development; creation and development of computer programs for data processing; creation and development of computer programs for data processing; consultant services in the field of programming and development of e-commerce portals; consultant services with respect to computer hardware and software architecture design and development; analysis and evaluation of product development; research, development, analysis and consultancy services in the field of engineering; research and development services relating to computer hardware and software; industrial research, testing and analysis services; computer-aided industrial design, research, testing and analysis services; research, testing and analysis services; research, development, design and upgrading of software; industrial testing, development and research; industrial research services; engineering research services; research in the field of information technology; research in the field of communication technology; research in the field of data processing technology; research in the field of environmental preservation; research in the field of computer hardware and software; research and development of products; technical research projects and studies; preparation of reports relating to technological research; preparation of reports relating to technical research; consultant services in the field of industrial research; services provided by consultants in the field of technological research; laboratory testing services; laboratory research and analysis services; technical measuring and testing laboratory services; programming of software for e-commerce platforms; programming of operating software for computer networks and servers; programming of operating software for accessing and using a cloud computing network; design, development, maintenance and updating of process control software; design, development, maintenance and updating of data processing software; design and development of software for logistics, supply chain management and e-business portals; design and development of data reading, transmission and organization software; design and development of software for logistics; design and development of software for supply chain management; design and development of software for database management; design and development of software for inventory management; design and development of operating software for computer servers and networks; design and development of operating software used for accessing and using a cloud computing network; design and development of electronic database software; design and development of virtual reality software; design and development of software; design of computer hardware and software; installation, maintenance and updating of database software; software engineering; providing information concerning design and development of computer software, networks and systems; temporary provision of non-downloadable software applications accessible via a website; technical consultancy relating to the design of computer hardware, software and computer peripherals; technical advice services with respect to installation and maintenance of computer software; technical consultancy services relating to the application and use of software; consultant services with respect to software for communication systems; consultant services in the field of security software; consultant services with respect to software design, programming and maintenance; updating of software relating to computer security and prevention of computer risks; design, updating and rental of software; testing of computer hardware and software; configuration, installation, fault diagnosis, repair, upgrading and maintenance of software; configuration of software; creation, maintenance and updating of software; creation of computer programs; consultation with respect to software; user authentication services by means of blockchain technology