Byungseok Kim

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OhKims Law & Company

Byungseok Kim is a Partner at OhKims Law, where he practices as both an attorney-at-law and a Certified Public Accountant (CPA). Byungseok specializes in civil and criminal litigation involving taxation and accounting matters — including Financial Supervisory Service (FSS) investigations, tax litigation, and criminal tax enforcement — as well as corporate advisory work (including Capital Markets Act litigation and advisory), and civil/criminal defense for corporate clients. Drawing on years of experience in audit and tax work at a Big Four accounting firm, and his recent service as counsel in the Special Prosecutor's investigation into the insurrection charges, Byungseok brings particular strength to financial and accounting analysis, tax review, and criminal defense matters.

Career

2026 OhKims Law
2025 Special Prosecutor's Office for the Investigation of Insurrection and Foreign Interference by Former President Suk-Yeol Yoon et al.
2019 OhKims Law
2015 Law Firm LKB & Partners
2014 Law Firm Hannuri
2006 Samil PwC (Audit & Tax)

Practice Areas

Corporate law, corporate governance, management disputes, and M&A
FSS and Fair-Trade Commission (KFTC) investigations and regulatory response
Tax litigation, criminal tax enforcement, and tax advisory
Corporate rehabilitation and bankruptcy
General criminal defense

Representative Matters

[Finance, Accounting & Corporate Law]

Delisting invalidation litigation for U Energy Co.
FSS accounting inspection response advisory for M Co. (listed) and S Co. (listed)
FSS investigation response for O Co. (asset management company)
Purchase price determination petition against S Asset Management
Shareholder litigation (damages) against K Co.

[Tax & Corporate Rehabilitation]

Criminal defense in Aggravated Punishment Act (tax) case for CEO of L Chemical Co.
Criminal defense in Aggravated Punishment Act (tax) case for I Club
VAT objection litigation for I Co.
Corporate bankruptcy filing for M Co.

[Other Criminal Matters]

Insurance fraud and Medical Practitioners Act violation cases
Pharmaceutical rebate cases for P Pharma Co. and D Pharma Co.

Public Activities & Committee Memberships

2020 Director, Tax Lawyers Association, Korean Bar Association
2019 Fair Evaluation Officer, Korea Creative Content Agency (KOCCA)

Lectures & Publications

2020 Essential Legal Knowledge for Thriving Medical Practices (Maeil Business Daily)
2019 Lecture on 'Cryptocurrency Accounting and Taxation' KCAB International
2018 Lecture, Korean Bar Association Tax Academy

Education

Korea University School of Law – J.D. (Juris Doctor)
Korea University – B.A., Chinese Language and Literature

Qualifications & Awards

Korean Bar Admission (3rd Korean Bar Exam Cohort)
Korean Certified Public Accountant (CPA) (41st CPA Examination Cohort)

Languages

Korean, English