EE·Tax year 2025 · Filing 2026

Estonia tax deadlines 2026.

Every individual and self-employed income tax deadline for Estonia in 2026. Plus recurring VAT / GST / sales tax filings. Each deadline links to notes on how to file, what people miss, and matching open-source tax skills.

Estonia tax authority

Annual deadlines

1 this year

Apr30

Annual Income Tax Declaration (e-Tax)

Estonia's annual income tax declaration via e-MTA. Usually takes under 10 minutes thanks to pre-filled data.

EstoniaAll residentsSelf-employed

Open-source skills for Estonia

Prepare this return with open-source skills

These skills are in the OpenAccountants repo. Clone them into Claude, Cursor, or any AI agent and they handle the computation.

estonia-vat-return.mdEE

Use this skill whenever asked to prepare, review, or classify transactions for an Estonian VAT return (KMD form) for any client. Trigger on phrases like "prepare VAT return", "do the KMD", "fill in KMD", "Estonian VAT", "kaibemaks", or any request involving Estonia VAT filing. This skill covers Estonia only and standard KM registration. MUST be loaded alongside BOTH vat-workflow-base v0.1 or later AND eu-vat-directive v0.1 or later. ALWAYS read this skill before touching any Estonian VAT work.

Preparing a Estonia return?

The OpenAccountants repo has verified, open-source tax computation skills. Clone and run them with your AI agent, then get an accountant to review.

View the repo All countries