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Do I have to register with the tax office when I start freelancing in Germany?

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Yes. The Fiscal Code says anyone who takes up a freelance (freiberufliche) activity must notify the competent tax office, and anyone opening a trade business must notify the municipality, which informs the tax office. You must also give the tax office further tax details electronically. The deadline is one month after starting.

Key facts

What The law says Source
Freelance activity (freiberufliche Tätigkeit) Notify the tax office competent under § 19 AO AO § 138(1) sentence 3
Trade business (Gewerbe) Notify the municipality on the official form; it informs the tax office without delay AO § 138(1) sentence 1
Further tax details Those who must notify also give the tax office further information relevant to taxation, in the official electronic data format AO § 138(1b) sentences 1–2
Paper instead of electronic On application, the tax office can allow the official paper form to avoid undue hardship AO § 138(1b) sentence 3
Deadline Within one month of the event AO § 138(4)
Moving or closing Also to be notified AO § 138(1) sentence 4
Minor activities The Federal Ministry of Finance can exempt activities with no or only minor tax effect, by letter in the Federal Tax Gazette AO § 138(1c)
Businesses and shareholdings abroad Residents report them with the tax return, at the latest 14 months after the end of the tax period AO § 138(2), (5)

Freelance or trade: who you notify

The Fiscal Code distinguishes two routes in § 138(1):

The same applies when you move or give up the business, establishment or freelance activity. VAT entrepreneurs can also meet these duties electronically with the tax office responsible for their VAT (AO § 138(1a)).

The further tax information

Anyone who must notify the opening of a business or the start of freelance work must also give the tax office further information about the legal and factual circumstances relevant to their taxation (AO § 138(1b)). The law requires this to be sent in the officially prescribed data format through the officially designated interface. On application, the tax office can accept the official paper form instead to avoid undue hardship.

Deadline: one month

Notifications under § 138(1), (1a) and (1b) must be made within one month of the event (AO § 138(4)), so within a month of starting, moving or ending the activity.

Sources

  1. Abgabenordnung (AO), § 138 Anzeigen über die Erwerbstätigkeit (consolidated text, gesetze-im-internet.de) checked 2026-10-25

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