Professional Corporation
About Us
Your Accounting & Tax Partner Connecting the U.S. and Korea
About our firm
Connecting U.S. and Korean
business operations
Dow & Sohn CPAs is a Los Angeles-based CPA firm helping Korean companies and Korean-owned local businesses establish, operate, and expand in the United States. We provide integrated accounting, tax, audit, financial reporting, and advisory services across the United States and Korea, with seamless bilingual support for Korean headquarters and U.S. subsidiaries.
We established and operate Opus Advisors in Seoul to make consultation and ongoing support more convenient for clients in Korea.
Our services include U.S. business formation, international and cross-border tax planning, transfer pricing studies, U.S. GAAP compliance, K-IFRS to U.S. GAAP conversion, franchise accounting, outsourced CFO services, and ongoing tax and accounting compliance.
We advise startups on U.S. crowdfunding and flip transactions and support multi-state and international tax filings, transfer pricing between Korean headquarters and U.S. entities, K-IFRS consolidation reporting packages for Korean headquarters, expatriate tax returns, and financial analysis and tax services for individuals investing in U.S. real estate and managing their assets.
Our experience serving Korean-owned businesses in franchise, restaurants, entertainment, K-beauty, retail, and consumer products helps bridge Korean headquarters and U.S. operations.
Leadership
Meet our cross-border team
Managing Partner
Peter M. Sohn, CPA
Peter M. Sohn, CPA earned his MBA from California State University and has experience across wholesale, retail, manufacturing, IT startups, and real estate leasing and investment. His work in public-company SEC filings and international tax has developed his expertise in complex client matters.
His recent focus is advising food and beverage businesses and K-beauty brands on U.S. market entry and ongoing U.S. operations. He serves as an accounting advisor to the U.S. chapter of the Korea Franchise Association and KOTRA Los Angeles.
He serves as a Director and Audit Committee Chair of Open Bank and supports nonprofit organizations through audit and advisory work.
Director
Aiden Bak, CPA
Aiden Bak is a California CPA who earned his bachelor’s degree in Business Economics with a minor in Accounting from UCLA. He gained cross-border tax experience at Big Four and local accounting firms, serving clients ranging from small businesses to large companies with market capitalizations in the hundreds of trillions of Korean won.
His experience includes individual tax returns and Streamlined Procedures for U.S. citizens and permanent residents living in Korea; Korean and U.S. individual tax returns for expatriates in the United States; transfer pricing between Korean headquarters and U.S. entities; and U.S. GAAP and K-IFRS conversion.
He currently oversees Dow & Sohn CPAs’ Korean operations.
Why Dow & Sohn
Cross-border expertise and coordinated local support
U.S.–Korea Cross-Border Expertise
We support Korean companies entering, operating, and expanding in the United States with an understanding of both U.S. compliance requirements and Korean headquarters’ accounting and reporting needs, providing practical advice across the two countries.
Los Angeles + Seoul
Dow & Sohn CPAs in Los Angeles and Opus Advisors in Seoul coordinate communication and support between Korean headquarters and U.S. operations.
Technical Expertise
Our technical experience covers U.S. GAAP, K-IFRS conversion, international tax, transfer pricing, and complex financial reporting. One cross-border team provides coordinated support from U.S. entity formation to expatriate tax, financial statement audits, and tax filings.
Industry Experience
We support accounting and tax matters in industries with active Korean investment in the United States, including franchise and F&B, entertainment and media, K-beauty and consumer products, e-commerce and retail, and technology.