Ada Ko
ADA KO LAW PLLC • MERCER ISLAND, WA
Contracts AgreementsJoint VenturesTax
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Contact
Email
Phone
(833) 884-6742
Address
7525 SE 24TH ST. SUITE 600, MERCER ISLAND, WA, 98040, US
Professional
About
With over 35 years of legal experience, Ada has broad experience counseling domestic and international clients on all aspects of tax, corporate transactions, mergers and acquisitions, financing, joint ventures, franchises, and import/export business. Her practice emphasizes the tax aspects of cross-border business and investments.
About Contracts Agreements Law
Contract attorneys draft, review, and negotiate agreements to protect clients' interests. They help resolve disputes when contracts are breached. Common matters include contract drafting, contract review, negotiations, breach of contract.
Credentials
Education
1999 University of Washington School of Law LL.M - Master of Laws in Taxation 1983 University of Puget Sound School of Law JD - Juris Doctor 1975 University of Washington BA - Bachelor of Arts
Recognition & Involvement
Awards
2013 The Best Lawyers in America, The Best Lawyers in America in Tax 2013 Seattle Magazine, Best in the Business in Tax 2013 Licensed Customs Broker, U.S. Customs Border Protections 2012 The Best Lawyers in America in Tax, The Best Lawyers in America 2012 Best in the Business in Tax, Seattle Magazine
Publications
2009 ABA Business Law Section newsletter Investing in Canada Through a U.S. Limited Liability Company: The Impact of New Paragraph 6 to Article IV of the Canada-US Tax Treaty 1999 State Tax Notes A National Sales Tax After Quill? A Proposal for State and Local Taxation of the Sales of Goods and Services on the Internet
Associations
2000 - Present Inter-Pacific Bar Association Member 1983 - Present Washington State Bar Association Member 2010 - 2010 Washington State Bar Association, Taxation Law Section President 2000 - 2012 International Bar Association Member, Tax Committee 2000 - 2011 University of Washington School of Law, Graduate Tax Program Adjunct Professor of Law - International Tax
Speaking
2012 GSB Tax Roundtable FBAR and Form 8938 Foreign Financial Reporting 2012 2012 IPBA Annual Conference - Delhi, India FATCA Regulations and Cross Border Financing 2011 GSB Tax Roundtable FATCA Compliance 2009 Tax Provisions in Federal and State Stimulus Programs Individual Tax Benefits 2009 Doing Business in China Tax Issues in China
Updated: Mar 08, 2026