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Register a business

Online services

Note: The Business Registration Office will be closed on September 1 and 8, 2026.

Business registration is required if you start, take over, or convert an established business with a permanent place of business. Exceptions include primary production, independent professions, and the management of one’s own assets. Registration must take place at the same time as the start of operations.

Contact us

Address

Sachgebiet Gaststätten und Gewerbeangelegenheiten

Stadthaus Kaiserstraße, Kreyßig-Flügel
Kaiserstraße 3
55116 Mainz

Postal address

P.O. Box 3620
55026 Mainz

Explanations and notes

Sprachauswahl

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