A computing platform for facilitating dynamic connection and collaboration of users to transact services in a secure computing environment. The users include service providers and service requesters. The platform includes a registration module for registering users including service requesters and service providers, a connection module for connect users to form groups based on users' selective invitations to other users, and a collaboration module for creating a virtual secure data room for collaboration and sharing of encrypted data by the connected users in a user-friendly and transparent manner. The platform further comprises a transaction module for settling payments between the service requesters and the service providers based on completion of previously agreed project milestones.