Computer rental; Computer programming; Computer software design; Updating of computer software; Consultancy in the design and development of computer hardware; Maintenance of computer software; Computer system analysis; Computer system design; Duplication of computer programs; Installation of computer software; Conversion of computer programs and data, other than physical conversion; Computer software consultancy; Rental of web servers; Monitoring of computer system operation by remote access; Electronic data storage; Computer technology consultancy; Computer security consultancy; Internet security consultancy; Data security consultancy; Data encryption services; Development of computer platforms; Consulting services in the field of cloud computing; Telecommunication network security consultancy; Design of computer-simulated models; Technological consultancy services for digital transformation; Rental of data centre facilities; Engineering; Research in the field of physics; Scientific laboratory services; Scientific research; Telecommunications technology consultancy; Technical writing; Technology consultation in the field of artificial intelligence; Research in the field of artificial intelligence technology; Quality control for others; Material testing; Industrial design; Packaging design; Custom design of prototypes; Testing the functionality of apparatus and instruments; Product testing; Testing the functionality of machines; Testing of computing equipment; Computer systems integration services