Beyul's Expertise
Why do a great many business owners choose Beyul Tax Firm?
I want an accurate and reliable bookkeeping service.
With a 3-step verification process, we ensure error-free records. Our structured closing system—conducted multiple times a year—guarantees precise and dependable financial management.
Customized tax bookkeeping services
We work with specialists across more than 20 industries. By understanding the unique characteristics of each sector, we deliver customized tax and accounting solutions.
My tax is really high, could you help me reduce it?
By reflecting the latest tax law updates and regulatory changes, we help clients achieve an average tax reduction of over 27% annually.
Frustrated with slow responses
We guarantee responses within 24 hours. Through real-time chat and consultation, we support fast and efficient decision-making.
Can I receive other services besides tax bookkeeping?
Beyond tax services, we provide high-quality advisory through a network of experts from top accounting firms and tax offices, as well as partnerships in legal, labor, and other specialized fields.
Trusted by Clients
Over 1,500 clients are growing with
Beyul Tax.
Cumulative Customers
Total Revenue of Clients
Cumulative Tax Savings
○○Design
Representative Kang ○○
Prompt responses and clear, friendly explanations left a strong impression. All my questions were addressed quickly, and I am very satisfied.
P○○S
Representative Kim ○○
After focusing on my business without worrying about taxes, my sales revenue increased by 38%. I feel like I’ve finally found a true business partner.
APY Co., Ltd.
Representative Han ○○
Thanks for their tax services, I saved KRW 18 million. I highly recommend Beyul Tax Firm.
Yoo○○z
Representative Lee ○○
With accurate and regular financial reports, I can clearly understand my company’s financial status in advance.
○○Tech
Representative Choi ○○
From tax filing to tax audits, everything is handled at once. It’s truly reassuring.
○○ Electronics
Representative Jung ○○
By focusing solely on my business without tax concerns, my sales grew by 38%. I feel like I’ve found the right partner.
○○Design
Representative Kang ○○
Prompt responses and clear, friendly explanations left a strong impression. All my questions were addressed quickly, and I am very satisfied.
P○○S
Representative Kim ○○
After focusing on my business without worrying about taxes, my sales revenue increased by 38%. I feel like I’ve finally found a true business partner.
APY Co., Ltd.
Representative Han ○○
Thanks for their tax services, I saved KRW 18 million. I highly recommend Beyul Tax Firm.
Yoo○○z
Representative Lee ○○
With accurate and regular financial reports, I can clearly understand my company’s financial status in advance.
○○Tech
Representative Choi ○○
From tax filing to tax audits, everything is handled at once. It’s truly reassuring.
○○ Electronics
Representative Jung ○○
By focusing solely on my business without tax concerns, my sales grew by 38%. I feel like I’ve found the right partner.
Start your business with Beyul.
We become the
most reliable tax partner
for your success.
Other Tax Firms
Only basic bookkeeping provided
Frequent errors due to last-minute closing before filing deadlines
Delayed reflection of updated tax laws
Focusing solely on low fees
Reliance on individual experience
Limited to simple bookkeeping tasks
Beyul Tax Firm
Tax optimization strategies
Proactive tax strategies alongside bookkeeping
Systematic closing process
Regular closing for systematic financial management
Timely tax law updates
Annual tax law updates applied promptly
Reasonable bookkeeping fees
Reasonable fees for premium service
Professional expertise
Industry-specific managers and specialized team-based management
Wide range of services
One-stop services including bookkeeping, tax audits, and financial advisory
Our Team
Our Team at Beyul Tax Firm
Chairman
Gangnam Branch
Hosun Oh
Chairman
E
hsoh@beyultax.co.kr
T
+82 2 566 1370
Education
04.06
Harvard Kennedy School, Master of Public Administration
03.06
Harvard Law School, International Tax Program completion
97.02
Completion of the Graduate School of Public Administration (Major in Public Policy) at Seoul National University
92.02
Seoul National University Business School graduation
Career
25.01 - Current
Beyul chairman
23.07 - 24.08
Director of the Central Regional Tax Office
22.07
Director of the National Tax Service
21.07
National Tax Service International Taxation Director
20.09
Director of Investigation Division 4 of the Seoul Regional Tax Office
19.07
Director of the International Transaction Investigation Bureau of the Seoul Regional Tax Office
18.01
Director of Investigation Division 1, Central Regional Tax Office
17.03
Director of Investigation Division 2 of the Busan Regional Tax Office
14.07
Director of Offshore Tax Evasion Information at the National Tax Service
14.01
Seoul Regional Tax Office Advanced Tax Evasion Prevention Officer
13.01
Director of the International Investigation Division 2 of the Seoul Regional Tax Office
12.01
Geumjeong Tax Office Director
09.02
Counselor of the Embassy of the Republic of Korea in the United States
06.07
Policy Advisor to the Commissioner of the National Tax Service
39th Annual Exam (Revised Finance)
Honors & Awards
2016
Order of Merit for National Foundation
2008
Service Merit Medal
Beyul Pricing
Beyul Tax Bookkeeping
We protect your business with a structured, strategic approach to tax—not one-size-fits-all solutions.
Sole Proprietors
For Individual Owners
Corporate Clients
For Corporate Owners
VAT Filing
Payroll, Withholding Tax, and Social Insurance Filings
Bookkeeping
Interim Closing Reports
Comprehensive Income Tax Filing (additional adjustments may apply)
Tax Credit and Deduction Review
NOL carryforward deduction
Real-time Chatting and Phone Consultation
Incorporation Advisory
Response to Tax Office Inquiries
Beyul Services
Tax Insights by Beyul
Tax Audit Defense
Are you concerned about increasingly rigorous tax audits? Beyul Tax Firm stands as a reliable shield for your business.
Learn More
Tax Refunds
Are you reclaiming the taxes you may have overpaid? Beyul Tax Firm helps uncover hidden tax refund opportunities.
Learn MoreCompany Incorporation & Business Conversion
Beyul supports every step toward building a stable and successful business.
Learn MoreBeyul Naver Blog
Additional Services by Beyul
Explore Beyul’s expert tax insights on our Naver Blog
Complete Guide to Franchise Registration for Cash Receipt Businesses
Key Tax Deadlines: October 2025 (2)
What’s Changing in the 2025 Housing Market Stabilization Policy?
Complete Guide to Incorporation and Business Registration
How to Issue Tax Invoices via Hometax
A Leading Tax Firm for Chinese Businesses in Korea
Complete Guide to Business Account Registration for Sole Proprietors
Mandatory Industrial Accident Insurance for Outsourced Freight Vehicle Drivers
How to Authorize a Tax Agent on Hometax
Complete Guide to Incorporation and Business Registration
WeTax Registration Guide for Business Owners
Tax Audit Defense Specialists, Beyul Tax Firm
Beyul Guides
Explore Beyul's
exclusive guides
Tax Guides
National Tax Service Hometax Login
Withholding Tax Performance Report
Internet Issuance Method
Tax Guides
Preparation items before the shareholders' meeting
Everything about the shareholders' meeting
(feat. Preparation process)
Tax Guides
Standard Financial Statement Certificate Issuance
How to issue standard financial statements
(feat. Hometax)
Directions
Head Office
2F, 8 Seolleung-ro 111-gil, Gangnam-gu, Seoul, Republic of Korea (Wing Gallery Building)
Subway Access
Seonjeongneung Station, Exit 1
TEL
02 6953 5123
FAX
02 6953 5124
Gangnam Branch
3F, 540 Samseong-ro, Gangnam-gu, Seoul, Republic of Korea (Building Brolo)
Subway Access
309 meters from Exit 5 of Samseong Jungang Station (Subway)
TEL
02 566 1370
FAX
02 556 1369
