I know that a lot of my readers are in the works of learning, understanding what needs to be done, creating strategies of how to meet and implementing processes and systems that meets the upcoming EU General Data Protection Regulation (GDPR) next year. Just wanted to let you know that based on your requirements the Vembu BDR Suite which comply with the new regulation and will make the users the real data owner might be the solution for you.
Read more about how Vembu can help you comply with GDPR here and check you the following video for more detailed information.