Services of IT and ICT specialists; developing, updating and installing of software; cloud computing; cloud hosting services; private cloud hosting; public cloud hosting provider service; providing virtual computer environments through cloud computing; providing virtual computer systems through cloud computing; consulting in the field of cloud computing networks and applications; programming of operating software for accessing and using a cloud computing network; design and development of operating software for accessing and using a cloud computing network; rental of operating software for accessing and using a cloud computing network; consultancy and information regarding the aforesaid services