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Itemised entrepreneurial income tax (vállalkozói SZJA / VSZJA) is based on itemised cost accounting — you deduct your actual, receipt-verified costs from revenue, rather than a fixed cost ratio. This requires you to keep your own records: Withdrawal Log, Fixed Assets, and — if you have cash transactions — Cash Book.

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How does Penzum calculate it?

  1. Entrepreneurial income = revenue − itemised expenses − depreciation
  2. Entrepreneurial tax base = income − withdrawal (at least 0)
  3. 9% entrepreneurial income tax on the tax base
  4. Part of the after-tax income forms an entrepreneurial dividend base
  5. The dividend base is taxed at 15% SZJA + 13% social contribution tax (szocho) (szocho has an annual cap)
  6. The withdrawal is taxed separately: 15% SZJA + 18.5% social security contribution (TB) + 13% szocho
  7. HIPA (local business tax, if configured): (revenue − expenses) × your municipality’s HIPA rate

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Withdrawal and the TB base

As a full-time sole trader, your TB contribution base is at least the annual minimum wage (or guaranteed minimum wage) — even if your withdrawal is lower. During childcare fee (GYED), childcare allowance (GYES), or sick leave, this minimum doesn’t apply, since NEAK covers TB during these periods. For part-time and retired sole traders, TB (and for retirees, szocho too) is only due on the amount actually withdrawn.

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Social contribution tax (szocho) cap

Szocho has an annual cap (24 times the minimum wage). The withdrawal’s szocho already counts toward this cap — if you’re a part-time sole trader, the employer’s szocho base recorded on the Employment page also reduces the remaining cap, so you don’t pay twice. VSZJA is typically advantageous if your actual, verifiable costs are higher than what a flat-rate cost ratio would deduct. In exchange, it requires more administration — a Withdrawal Log, Fixed Assets register, and sometimes a Cash Book.
This calculation is an estimate, not an official tax assessment. Always consult your accountant before switching tax forms — see the tax form guide.