Tax

Tax Reduction for Startup SMEs (Income Tax and Corporate Tax up to 100%, 창업중소기업 세액감면): How to Apply, Amount & Eligibility (2026)

25-100% income tax reduction for 5 years after startup (by region and youth status) · for startups through 2027.12.31

This page is a translation of the Korean original and is for reference only. The official Korean guidance is the authoritative source for amounts and conditions, so be sure to confirm on the official website before applying. View Korean original (한국어)

Benefit
Startups from 2026.1.1: youth startup (outside the Seoul metropolitan area and in depopulation areas) 100%; youth in the Seoul metropolitan area (excluding overcrowding control zones and depopulation areas) 75%; youth in overcrowding control zones 50%; general startup in non-Seoul-metropolitan and depopulation areas 50%; general startup in the Seoul metropolitan area (excluding overcrowding control zones) 25%. Taxable years within 4 years of the first year in which income arises.
Who is eligible
SMEs (individuals and corporations) that started up in a reduction-eligible industry before 2027.12.31; youth startup requirements are separate
When to apply
5 taxable years from the first year in which income arises after startup · apply when filing comprehensive income tax (May) or corporate tax
How to apply
Submit the tax reduction application on Hometax (홈택스) (when filing income tax or corporate tax) · National Tax Service 126
Important notes
For startups before 2027.12.31 (sunset). Reduction limit and minimum tax apply.
Note
For startups before 2025.12.31, the previous rule applies (youth non-overcrowded 100%, others 50%). General startups in overcrowding control zones are not eligible for reduction (Article 6). Check the Enforcement Decree for industry and youth requirements.
Go to the official guide →

Based on official sources as of 2026년 10월. Amounts and requirements may change, so please confirm with the official guide before applying.

Frequently asked questions

Tax Reduction for Startup SMEs (Income Tax and Corporate Tax up to 100%, 창업중소기업 세액감면): who can receive it?

SMEs (individuals and corporations) that started up in a reduction-eligible industry before 2027.12.31; youth startup requirements are separate

Tax Reduction for Startup SMEs (Income Tax and Corporate Tax up to 100%, 창업중소기업 세액감면): how do I apply?

Submit the tax reduction application on Hometax (홈택스) (when filing income tax or corporate tax) · National Tax Service 126

Tax Reduction for Startup SMEs (Income Tax and Corporate Tax up to 100%, 창업중소기업 세액감면): how much will I receive?

Startups from 2026.1.1: youth startup (outside the Seoul metropolitan area and in depopulation areas) 100%; youth in the Seoul metropolitan area (excluding overcrowding control zones and depopulation areas) 75%; youth in overcrowding control zones 50%; general startup in non-Seoul-metropolitan and depopulation areas 50%; general startup in the Seoul metropolitan area (excluding overcrowding control zones) 25%. Taxable years within 4 years of the first year in which income arises.

Tax Reduction for Startup SMEs (Income Tax and Corporate Tax up to 100%, 창업중소기업 세액감면): when can I apply?

5 taxable years from the first year in which income arises after startup · apply when filing comprehensive income tax (May) or corporate tax