Complaints to KELER Group can be submitted as follows:

Verbal Complaints:

Personally at the Client Service of KELER Group (H-1074 Bp., Rákóczi út 70-72.), in the opening hours of the Client Service (from Monday to Friday between 9.00 am and 3.00 pm).

By telephone at phone number +36 1 483 6222 on working days between 9.00 am and 3.00 pm, on Tuesdays between 8.00 am and 8.00 pm.

Written Complaints:

Delivered in person to the head office of the KELER Group (H-1074 Budapest, Rákóczi út 70-72.) or by entering the Complaint in the Book of Complaints that can be found at the Client Service.

By mail sending the document to KELER Ltd (H-1074 Budapest, Rákóczi út 70-72.), or to KELER CCP Ltd. (H-1074 Budapest, Rákóczi út 70-72.).

By fax for KELER Ltd. to +36 1 483 6194, or for KELER CCP Ltd. to  +36 1 342 3539.

In email to keler@keler.hu, or to kelerccp@kelerkszf.hu.