With our new online service for tenants and members of the dhu, you can contact us directly, easily and at any time. You can use your smartphone or tablet to view important documents about your tenancy and membership. You get an overview of your rental contracts - regardless of whether they are apartment, parking space or garage contracts. You can call up various documents via the app at any time and from any location. You also have the option of changing your personal data such as contact information and bank details quickly and easily.