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 Audit Trail: Can You Reconstruct Past Decisions?

An AI audit trail needs saved inputs and calculation versions to reconstruct past decisions. Learn what a retained result proves and how to test a replay.

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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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