• per E-Mail              

                    info (at) steffenhans.ch                                

• per Post

                    Consulta Treuhand Hans Steffen

                    Bodenackerstrasse 50

                    CH-8330 Pfäffikon ZH

• per Telefon              

                    044 / 950 21 88

• und per Fax             

                    044 / 950 21 78