Providing a cloud computing platform for storing, processing and analyzing data to connect building owners, investment managers, real estate asset managers, portfolio managers, corporate real estate managers, property managers, facility managers, service providers, tenants and building users with building assets for the purpose of improving operational efficiency, transparency on compliance, usage optimization, reduced energy and service costs and tenant satisfaction; Software as a Service (SaaS) and Platform as a service (PaaS) for remote maintenance of software for monitoring and controlling post-construction building installations; remote maintenance and malfunction diagnosis of building installations via a communication link by means of computer systems for detecting building failures; hosting of digital content; analysis and evaluation of non-emergency operating and performance statistics of building installations; providing temporary use of on-line non-downloadable operating software for accessing and using a cloud computing network; computer security services consisting of issuing and managing digital keys; digitization of documents; conducting energy audits; research, monitoring and analysis of the flow of people within, between and outside buildings; rental of computer software; providing technical consulting services, namely, setting up and integrating SaaS/PaaS platforms to customer's existing system landscapes