Best Law Firms in Washington, DC for Tax Law

64
matches

 Washington, District of Columbia
Client Endorsed
 Washington, District of Columbia
United States 2026
 4  National Awards
 5  Regional Awards

Ivins, Phillips & Barker is exclusively engaged in the practice of federal tax, benefits and compensation and estate and gift tax law. Our lawyers are nationally recognized to be among the best and brightest, bringing years of government service and corporate experience to bear on our clients' tax problems. We provide seasoned counsel in all major areas of tax law, and we offer prompt and efficient attention, whether with respect to the most detailed and intricate of issues, or for rapid responses to emergency situations.

Founded by two of the original judges on the United States Tax Court in 1935, our decades of focus on the intricacies of the Internal Revenue Code and Department of Labor regulations have led numerous Fortune 500 companies, as well as smaller companies, tax-exempt organizations, and high net worth individuals to rely on us for answers to their most complicated and sophisticated tax planning problems as well as for complex tax litigation. Our experience has taught us that while the tax code is ever-evolving, for most taxpayers it remains dauntingly complex; we keep up on the latest developments in tax reform so that we can provide timely advice on how changes to the law will affect you and your business.

We believe our clients are best served by a practice environment in which lawyers concentrate on an area of specialization within the tax law, so that they see all the issues that come to the firm in that area. Unlike other firms that use unnecessarily large teams to solve simple problems, IPB keeps clients costs to a minimum with extreme efficiency, outstanding intellect, and practicality. 

We are committed to providing the highest-quality, timely responses to our clients’ needs. We also recognize an obligation to be forward-thinking and to bring potentially beneficial tax planning ideas to your attention, whether you're the Tax Director at a multinational corporation, or an individual taxpayer. 

Our loyal national and international clients know that they can rely on us for the finest, most timely tax advice and tax controversy services available anywhere in the United States.

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National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
United States 2026
 1  Law Firm of the Year Award
 39  National Awards
 150  Regional Awards

McDermott Will & Schulte is an international law firm serving businesses, institutions and individuals across a wide range of legal matters. With offices throughout the United States and Europe, including Chicago, New York, London, Paris, Frankfurt and Washington, D.C., the firm advises clients on complex transactions, regulatory concerns, litigation and industry-specific challenges. Since first earning attorney recognition in 1983, the firm has continued to build a broad legal practice shaped by changing markets and evolving client needs.

The firm is known for its work in corporate law, mergers and acquisitions, banking and finance, tax law, health care law, intellectual property and high-stakes litigation. Its attorneys also counsel clients in emerging areas such as artificial intelligence law, fintech, privacy and data security, biotechnology and life sciences. McDermott Will & Schulte represents clients ranging from growing companies to multinational organizations, helping them navigate business decisions, disputes and regulatory matters with practical legal guidance.

McDermott Will & Schulte has earned recognition across numerous practice areas in Best Law Firms rankings, including bankruptcy and restructuring, employment law, real estate law, securities regulation, patent law, antitrust law and international trade and finance law. The firm also has 357 lawyers recognized by Best Lawyers, reflecting peer-reviewed acknowledgment across a broad range of legal disciplines.

Clients turn to McDermott Will & Schulte for counsel that is strategic, business-minded and tailored to the industries they serve. Whether handling cross-border transactions, intellectual property disputes, health care compliance or complex commercial litigation, the firm focuses on delivering clear legal solutions that align with each client’s long-term objectives.

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National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
United States 2026
 1  Law Firm of the Year Award
 36  National Awards
 93  Regional Awards

LEGAL EXCELLENCE. DEDICATION TO CLIENTS. COMMITMENT TO PUBLIC SERVICE.

WilmerHale is a leading, full-service international law firm with more than 1,100 lawyers located throughout 12 offices in the United States and Europe. Our lawyers work at the intersection of government, technology and business, and we remain committed to our guiding principles of:

-providing quality, world-class legal and client services;

-fostering an environment that promotes an entrepreneurial spirit, collaboration and collegiality by drawing on the exceptional talents and varied experience of our lawyers;

-providing all of our attorneys and business professionals with the opportunity to succeed;

-encouraging lawyers and business professionals to perform public service and give back to the community through pro bono work, government service, service to the bar, teaching, and supporting public institutions and charitable organizations;

-and hiring and retaining exceptionally talented lawyers who possess the common trait of outstanding academic and personal achievements.

Learn more about us at wilmerhale.com.

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National Tier 1 in Tax Law
Washington, D.C. Tier 2 in Tax Law
 1  Law Firm of the Year Award
 48  National Awards
 142  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
 11  National Awards
 60  Regional Awards
National Tier 3 in Tax Law
Washington, D.C. Tier 2 in Tax Law
 2  Law Firm of the Year Awards
 43  National Awards
 167  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
 1  Law Firm of the Year Award
 57  National Awards
 471  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 2 in Tax Law
 3  National Awards
 3  Regional Awards
National Tier 3 in Tax Law
Washington, D.C. Tier 1 in Tax Law
 1  Law Firm of the Year Award
 56  National Awards
 441  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
 1  Law Firm of the Year Award
 40  National Awards
 122  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
 22  National Awards
 58  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
 11  National Awards
 42  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 3 in Tax Law
 6  National Awards
 19  Regional Awards
National Tier 3 in Tax Law
Washington, D.C. Tier 2 in Tax Law
 1  Law Firm of the Year Award
 40  National Awards
 164  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
 7  National Awards
 30  Regional Awards
National Tier 3 in Tax Law
Washington, D.C. Tier 1 in Tax Law
 1  Law Firm of the Year Award
 28  National Awards
 67  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 2 in Tax Law
 1  Law Firm of the Year Award
 33  National Awards
 93  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
 1  Law Firm of the Year Award
 40  National Awards
 115  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 2 in Tax Law
United States 2026
 1  Regional Award
Washington, D.C. Tier 3 in Tax Law
United States 2026
 37  National Awards
 96  Regional Awards
National Tier 2 in Tax Law
Washington, D.C. Tier 3 in Tax Law
United States 2026
 1  Law Firm of the Year Award
 34  National Awards
 83  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
 38  National Awards
 348  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 2 in Tax Law
United States 2026
 42  National Awards
 171  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
United States 2026
 24  National Awards
 60  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
United States 2026
 1  Law Firm of the Year Award
 28  National Awards
 100  Regional Awards
National Tier 2 in Tax Law
Washington, D.C. Tier 2 in Tax Law
 33  National Awards
 138  Regional Awards
National Tier 2 in Tax Law
Washington, D.C. Tier 1 in Tax Law
 18  National Awards
 27  Regional Awards
National Tier 3 in Tax Law
Washington, D.C. Tier 2 in Tax Law
United States 2026
 1  National Award
 2  Regional Awards
National Tier 3 in Tax Law
Washington, D.C. Tier 1 in Tax Law
United States 2026
 6  National Awards
 8  Regional Awards
National Tier 3 in Tax Law
Washington, D.C. Tier 1 in Tax Law
United States 2026
 1  Law Firm of the Year Award
 39  National Awards
 86  Regional Awards
National Tier 3 in Tax Law
Washington, D.C. Tier 1 in Tax Law
United States 2026
 20  National Awards
 38  Regional Awards
Washington, D.C. Tier 3 in Tax Law
United States 2026
 1  National Award
 3  Regional Awards
National Tier 2 in Tax Law
Washington, D.C. Tier 1 in Tax Law
United States 2026
 33  National Awards
 135  Regional Awards
National Tier 3 in Tax Law
Washington, D.C. Tier 3 in Tax Law
United States 2026
 46  National Awards
 189  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 2 in Tax Law
 33  National Awards
 72  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
United States 2026
 1  National Award
 2  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
 22  National Awards
 33  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
United States 2026
 36  National Awards
 108  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
United States 2026
 1  Law Firm of the Year Award
 41  National Awards
 165  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 2 in Tax Law
United States 2026
 33  National Awards
 205  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 3 in Tax Law
United States 2026
 1  Law Firm of the Year Award
 41  National Awards
 252  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
United States 2026
 1  Law Firm of the Year Award
 41  National Awards
 137  Regional Awards
National Tier 2 in Tax Law
Washington, D.C. Tier 1 in Tax Law
United States 2026
 50  National Awards
 266  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
United States 2026
 1  Law Firm of the Year Award
 5  National Awards
 8  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
United States 2026
 2  Law Firm of the Year Awards
 39  National Awards
 127  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
 2  Regional Awards
Washington, D.C. Tier 3 in Tax Law
United States 2026
 1  Law Firm of the Year Award
 46  National Awards
 116  Regional Awards
National Tier 1 in Tax Law
Washington, D.C. Tier 1 in Tax Law
United States 2026
 40  National Awards
 194  Regional Awards
National Tier 2 in Tax Law
Washington, D.C. Tier 2 in Tax Law
United States 2026
 16  National Awards
 63  Regional Awards
National Tier 2 in Tax Law
Washington, D.C. Tier 1 in Tax Law
 6  National Awards
 9  Regional Awards
National Tier 3 in Tax Law
Washington, D.C. Tier 1 in Tax Law
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