326 days
ESt/KSt/GewSt: annual income/corporation/trade tax return filing deadline
Next: 31 July 2027then 31 July 2028, 31 July 2029
GmbH/UG (KSt + GewSt), Einzelunternehmen and partnerships (ESt/Gewerbesteuer where applicable), and their outsourced bookkeepers/tax advisors.