Tax, accounting, and operational guides for Germany

Practical articles for self-employed people, founders, and small teams building cleaner accounting and tax routines in Germany.

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AI Tax Advisor: Learning From Rejections

An AI tax advisor should prepare a reviewable return, not improvise advice. Our production rejection loop shows why authority validation matters.

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Data & ResearchAll analyses

Recurring, citable analyses of self-employment, based on anonymized, aggregated data from thousands of self-employed people in Germany. The methodology documents how the numbers are produced.

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