About HAON

We Build a Tax Environment
Where Our Clients Can Focus on Growth

HAON is a team of specialists delivering precise, high-caliber tax services so that clients can stay
fully focused on their core business and growth, even as the tax landscape grows more complex.

We don’t stop at simple filing services. We continually work to deliver deeper, more
practical solutions to the wide range of tax issues our clients face.

With refined tax strategies, swift response, and tailored services that fit each
client’s situation, we strive to deliver results that exceed expectations.

0 %

HAON's Client Satisfaction
(Based on Renewal Rate)

0 +

HAON's Approved
Tax Correction Claims

0 Billion+

HAON's Tax Refunds
Secured (in KRW)

Beyond Filing.
We Deliver Solutions.

We don’t stop at simple filing services. We continually work to deliver deeper, more practical solutions to the wide range of tax issues our clients face.

With refined tax strategies, swift response, and tailored services that fit each client’s situation, we strive to deliver results that exceed expectations.

Expert Experience
Makes the Difference

HAON’s greatest strength is our people. Our team brings together CPAs and tax advisors from top-tier accounting and tax firms alongside former National Tax Service professionals, combining deep expertise and hands-on experience to deliver tax services on a higher level.

From tax audit response, refund claims, inheritance, gift, and capital gains, to corporate tax advisory and property tax, our specialists draw on broad experience to carefully analyze each client’s situation and recommend the best path forward.

Better Results Through Systems and Collaboration

HAON delivers more seamless and accurate service through our in-house proprietary software, and by collaborating with specialists in legal, labor, and other fields, we offer comprehensive total solutions that go beyond tax. Expert talent, structured systems, and seamless collaboration are another part of what sets HAON apart.