UMALIS Group is an expanding French group of portage companies, holding the legal status of a limited company (Ltd). Created in 2008, this group is made of five subsidiaries; Umalis, Portage SI, PSI Agency, Umalis Research and TUmalis.

The group supports experts wishing to develop a secure professional activity in full autonomy, and benefit from the employee status. This group is organised around a computerised platform designed to simplify and streamline the management of portage consultants.