We have hired external letting agents to take over the leasing of our property management portfolio; information on these providers' offerings is available on the internet and local print media.


Contact form/emergency services

You can use this form to contact us directly. For emergencies outside of tenant phone line hours, please contact the responsible custodian first; in exceptional cases directly contact one of the following service partners:




Mallwitz Versorgungstechnik GmbH & Co KG

Morgensternstraße 24
12207 Berlin

Telephone: 030/77205580

Email: e-mail (at)


HGS Gerhard Klatt

Prenzlauer Allee 26
10405 Berlin

Telephone: 030/4425653

Emergency service: 0172/9729120
Email: hgs.klatt (at)



cedis. Elektroservice GmbH

Helmholtzstraße 2-9
10587 Berlin

Telephone: 030/42010009
Email: info (at)