Web service that provides a co-owner or his agent with secure access to a virtual or hybrid meeting of co-owners.The platform makes it possible both to disseminate and share information to the co-owners, while leaving the possibility to the co-owners to intervene in the debates. The platform also supports the entire process of holding the meeting: management of proxies, signing of the attendance sheet, and the holding of the various votes with the counting of votes This type of platform is also used by directors at board meetings.