Introducing
103tax

A trustworthy tax partner, personally handled by lead tax accountant Kwon Ji-hyun

한국어 · 日本語 · 中文
Kwon Ji-hyun, Certified Tax Accountant

Kwon Ji-hyun

Founder, 103tax

My goal is to reduce your taxes accurately and reasonably. I personally handle tax matters across a wide range of industries — from sole proprietors to corporations, new startups, and IT developers — providing every client with an optimized tax-saving solution.

  • Certified Tax Accountant (Registered with the Korean Association of CPTAs)
  • Business Registration No. 424-02-03997
  • Specialist in bookkeeping for sole proprietors and corporations
  • Specialist in filing capital gains, inheritance, and gift tax
  • Specialized experience in tax for IT, developers, and startups
  • Consulting on tax incentives for youth entrepreneurs and women-owned businesses
Bookkeeping Corporate Tax Capital Gains Tax Inheritance Tax Gift Tax Startup Tax Planning IT Company Tax Tax-Saving Consulting

The 103tax Promise

Accuracy

Error-free filings and bookkeeping eliminate the risk of penalty surcharges and tax audits at the source.

Trust

We handle your financial information with care, providing transparent and honest service.

Tax-Saving Expertise

We proactively track tax law changes and present tax-saving strategies that work in your favor.

Why choose 103tax?

It starts with the fact that the lead tax accountant handles your case personally — not a junior staff member

Typical Tax Firms103tax
Your contactA staff member is assigned; direct communication with the lead tax accountant is difficultKwon Ji-hyun, the lead tax accountant, personally handles everything from consultation to bookkeeping
How we communicateMostly phone and email, with slow response timesReal-time communication via KakaoTalk; urgent inquiries answered same-day
PricingYou only find out after a consultationBookkeeping and service fees are published on our website up front
SpecializationHandled the same way regardless of industryTailored tax planning by industry — IT, startups, developers, and more
First consultationSometimes just a formality, or comes with a feeGenuine first consultation, plus free tax calculators and industry diagnostic tools

Areas of Expertise

We provide tailored tax services for a wide range of industries and client types.

Bookkeeping Services

Monthly bookkeeping and VAT/income/corporate tax filing agency for sole proprietors, corporations, self-employed businesses, and IT companies

Startup Tax Planning

Choosing your business entity type, optimizing industry codes, leveraging startup tax incentives, and linking youth/women-entrepreneur support programs

Capital Gains, Inheritance & Gift Tax

Real estate capital gains tax savings, one-home-per-household non-taxation review, and inheritance/gift planning and filing agency

Specialized Tax for IT & Developers

Zero-rate VAT treatment for overseas revenue for solo developers and IT startups, R&D tax credits, and stock option taxation

Tax-Saving Consulting

Custom tax-saving strategies by industry and income level, incorporation simulation, and an annual tax-saving roadmap

How to Find Us

103tax

  • Address

    1115, SkyValley Tower 2, 1142 Beoman-ro, Geumcheon-gu, Seoul (08595), South Korea

  • Transit

    Directly connected to Exit 3 of Doksan Station (Subway Line 1)

  • Business Hours

    Weekdays 10:00 AM – 7:00 PM
    Closed Saturdays, Sundays, and public holidays

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