Shining the Brightest
Sunlight on Your Business
Leave your complex tax and accounting tasks to a trusted expert.
From bookkeeping to tax advisory for foreigners, we support you perfectly.
Our Services
We provide optimal tax solutions tailored to your unique situation.
Bookkeeping & Tax Filing
We handle meticulous bookkeeping and tax filings including corporate, income, and VAT.
Tax Saving Consulting
Like reading moves in Baduk, we analyze your business flow to provide legitimate, optimized tax strategies.
Advisory for Foreigners & FDI
With experience in global firms and excellent business English, we perfectly solve tax issues for foreign clients.
Startup & Incorporation
We help you start successfully by analyzing the most advantageous business structures and tax reduction requirements.
Chief Tax Accountant

Cheolyoung Seong CEO
"Tax and Accounting. I make the optimal 'move' for your business with the precision of reading countless scenarios in Baduk."
Corporate tax and accounting is like a game of Baduk. Beyond simply matching the numbers in front of you, you must read the entire flow of the board and block upcoming risks in advance. Based on my relentless insight as a certified 4th Dan and experience in large accounting and global consulting firms, I present the clearest tax saving strategies for both domestic and foreign clients.
Career Highlights
- • 59th Certified Tax Accountant (2022)
- • (Current) CEO, Byeotdeul Tax & Accounting
- • (Former) Woori Accounting Corp.
- • (Former) TMF Korea
- • (Former) Deep Renewables
Special Highlights
- • Korea Baduk Association Certified 4th Dan (2010)
- • Champion, Boryeong Mud National Baduk Tournament
- • Champion, Jeonbuk Superintendent of Education Baduk Tournament
- • Fluent in Business English (TOEIC 960)
Contact Us
Complex tax worries? Byeotdeul Tax & Accounting will analyze them meticulously and solve them clearly.
Leave your details in the form below, and the Chief Tax Accountant will review and contact you promptly.