12 days
Estonia: VAT return (KMD) filing and VAT payment due by the 20th
Next: 20 September 2026then 20 October 2026, 20 November 2026
Any Estonia-registered company whose taxable turnover exceeds the €40,000 mandatory registration threshold (calculated from 1 January), plus any company that registers voluntarily below that threshold; the monthly taxation period applies to all VAT-registered persons.