Hamburg
Finanzamt Hamburg-Altona — Informations- und Annahmestelle (IAS)
Holstenplatz 18, Holstenhaus, 22765 Hamburg
Drop in without an appointment on set days, or ask in writing, by phone or through your online tax account.
State your full name or business name, address, tax number or identification number and purpose. The office may request further information. For a trade licence, the district office can obtain the certificate directly if you request this and release the responsible Finanzamt from tax secrecy for that purpose.