Atty. Andrew B. Moore

Atty. Andrew B. Moore

Andrew Moore, a partner in the firm’s Business practice, focuses his practice on public offerings and corporate finance, securities regulation, corporate governance and mergers and acquisitions. Andrew is a leader of the firm’s public companies group, regularly advising public companies on best corporate governance practices, disclosure matters and SEC compliance.

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Profile Summary

About Andrew B. Moore at a glance

Andrew B. Moore is a business, m&a, and securities attorney based in Seattle, Washington, practicing at Perkins Coie LLP. Admitted to practice in Washington, Washington State Bar Association. Educated at Seattle University (J.D., 1997) and University of Washington (BA). Recognitions include Best Lawyers in America — Corporate Law (2026), Best Lawyers in America — Mergers and Acquisitions Law (2026), and Best Lawyers in America — Securities / Capital Markets Law (2026). Serands clients in Seattle, WA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Andrew Moore, a partner in the firm’s Business practice, focuses his practice on public offerings and corporate finance, securities regulation, corporate governance and mergers and acquisitions
  • Andrew is a leader of the firm’s public companies group, regularly advising public companies on best corporate governance practices, disclosure matters and SEC compliance
  • He has a wide range of securities offering experience, including initial and follow-on public offerings, and shelf offerings of both debt and equity securities
  • His corporate clients include Amazon.com, Costco Wholesale Corporation, Idaho Power Company, Microsoft Corporation, Lenco Mobile, Puget Sound Energy, and Zillow Inc. Andrew is a co-author of The Public Company Handbook: A Corporate Governance and Disclosure Guide for Directors and Executives and a contributor to The Initial Public Offering Handbook: A Guide for Entrepreneurs, Executives, Directors and Private Investors (2008)
  • He serves as a speaker for the National Investor Relations Institute on a variety of public company topics, including SEC disclosure, Regulations FD, G and M-A, and key issues in public company governance
  • Andrew also has extensive mergers and acquisitions experience, representing Puget Energy in its $7.4 billion sale, Microsoft in acquisitions, including the acquisitions of Yammer, Inc. and Nasdaq-listed Greenfield Online Inc., Amazon.com in its acquisitions, and Nasdaq-listed Zillow Inc. in its recent acquisitions of RentJuice, Mortech and Diverse Solutions

Practice Areas Explained

Andrew B. Moore's Areas of Practice

Each practice area below reflects the types of cases Andrew B. Moore handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Andrew B. Moore is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Washington →

Mergers & Acquisitions

Andrew B. Moore is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in Washington →

Securities Law

Andrew B. Moore is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in Washington →

Jurisdictional Context

Why local counsel matters in Washington

Practicing law in Washington. Legal matters in Washington are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Seattle are typically filed in the local municipal court or the appropriate Washington state district court, depending on subject matter and amount in controversy. An attorney licensed in Washington brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Washington courts without local counsel or pro hac vice admission.

Looking for additional Washington attorneys? Browse all attorneys in Seattle or all attorneys in Washington.

Frequently Asked

Common questions about Andrew B. Moore

Where is Andrew B. Moore's law office located?
Andrew B. Moore's law practice is located in Seattle, Washington. The firm is Perkins Coie LLP. You can contact the office directly through this profile page.
What practice areas does Andrew B. Moore handle?
Andrew B. Moore focuses on business, m&a, securities. Each practice area listed reflects experience handling cases of that type in Washington.
Where did Andrew B. Moore go to law school?
Andrew B. Moore earned their education at (J.D., 1997); (BA).
How can I contact Andrew B. Moore for a consultation?
You can contact Andrew B. Moore directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Andrew B. Moore received?
Andrew B. Moore's notable recognition includes: Best Lawyers in America — Corporate Law; Best Lawyers in America — Mergers and Acquisitions Law; Best Lawyers in America — Securities / Capital Markets Law; Best Lawyers in America — Securities Regulation; Best Lawyers in America — Additional Areas of Practice:.

Education

J.D.
Seattle University
- 1997
BA
University of Washington
- In Progress

Awards

Best Lawyers in America — Corporate Law
- 2026
Best Lawyers in America — Mergers and Acquisitions Law
- 2026
Best Lawyers in America — Securities / Capital Markets Law
- 2026
Best Lawyers in America — Securities Regulation
- 2026
Best Lawyers in America — Additional Areas of Practice:
- 2026
Best Lawyers in America — Corporate Governance Law
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — Listed in Washington Law & Politics, “Rising Stars of Washington Law", 2001 - 2005
- 2026
Best Lawyers in America — Listed in Washington Law & Politics, “Washington's Super Lawyers", 2005, 2012 - Present
- 2026
Best Lawyers in America — Ranked by Chambers USA, as “America’s Leading Business Lawyers", 2010 - Present
- 2026
Lawyer of the Year — Securities / Capital Markets Law (Seattle)
- 2023
Lawyer of the Year — Mergers and Acquisitions Law (Seattle)
- 2020

Bar Admissions

Washington, Washington State Bar Association

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