42 Research and development services; Research and development in the field of digitalisation; Software as a service (Saas); Hosting platforms on the Internet, namely, Providing and operation of an online platform, for use in the following fields: Provision of data, Especially, in the following fields: Ventilator technology, Real estate engineering; Providing virtual computer environments through cloud computing; Cloud computing; edge computing; Fog computing; Providing virtual computer systems through cloud computing; Creation of computing platforms for third parties; Platforms ventilating fan technology and/or building systems in the form of software as a service (SaaS)