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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.

HAON Tax Corporation
99.7%

HAON's Client Satisfaction(Based on Renewal Rate)

2,000+

HAON's Approved Tax Correction Claims

31 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.

HAON Locations

Map of HAON office locations

HAON Head Office

Address
4F, Ingok Building, 107 Yangsan-ro, Yeongdeungpo-gu, Seoul, South Korea
Phone
(+82) 010-3127-8947
Fax
(+82) 0507-1795-5699
Email
hmkim@haontax.com
Representative Tax Advisor
CTA Kim Hoemun
View Head Office

HAON Seoul West Office

Address
#314, New T Castle, 108 Gasan Digital 2-ro, Geumcheon-gu, Seoul, South Korea
Phone
(+82) 010-4889-1365
Fax
(+82) 0507-1795-5699
Email
yhjun@haontax.com
Representative Tax Advisor
CTA Jeon Younghyuk
View Seoul West Office

HAON Pangyo Office

Address
#303-1, 3F, Samhwan Hipex Building B, 230 Pangyoyeok-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, South Korea
Phone
(+82) 010-4297-9477
Fax
(+82) 031-697-063
Email
jwjeong@haontax.com
Representative Tax Advisor
CTA Jeong Jaewon
View Pangyo Office

HAON Cheonan Office

Address
#401, Metrozone Building, 12 Seongjeongdujeong-ro, Seobuk-gu, Cheonan-si, Chungcheongnam-do, South Korea
Phone
(+82) 010-7362-5880
Fax
(+82) 041-522-0650
Email
tulee@haontax.com
Representative Tax Advisor
CTA Lee Taewook
View Cheonan Office

HAON Dongtan Office

Address
#5003, 5F, 9 Dongtan-daero 5-gil, Dongtan-gu, Hwaseong-si, Gyeonggi-do, South Korea
Phone
(+82) 31-8055-8652
Fax
(+82) 507-1790-8008
Email
hjshin@haontax.com
Hours
Weekdays 9:30 AM to 6:00 PM, closed Saturdays and Sundays
Representative Tax Advisor
CTA Shin Hojae
View Dongtan Office

HAON Tax on YouTube

HAON's Head Tax Advisor - Kim Hoemun is sharing tax knowledge.

Visit channel

Leave the complexity to us, You focus on growth

Hand over every complex, headache inducing tax matter to HAON's experts. We'll be the reliable partner by your side, so you can focus entirely on growing your business.

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