Determining if a company is Join-Controller or has another role it can be quite complicated, but for Ticket for Privacy the expertise in this type of Registries is high and on point, based on passed experience. Each time two companies jointly determine the purpose and the means of processing, they are joint-controllers and they need to keep a separate register for those purposes, as the controller and processor personal data registries, will not cover this precise scope. Ticket for privacy guides it’s clients to keep separate records of processing, as their liability twards supervisory authorities depens on these inventories.