Best Tax Attorneys in Washington, DC
21 firms listed · all 21 in Washington · 1 open 24/7 · 3 open weekends · 11 rated 4.5+
Data verified October 18, 2026
Pontius Tax Law
Law Firm of Charles A. Ray
Thorn Law Group
Caplin & Drysdale
Ellyn Tanenberg, Attorney & CPA
The 21 firms listed for Washington, DC handle audits, assessments, liens and collection disputes for clients. What each says about the matters it takes on comes from its own website; ratings and quotes come from public reviews.

Area overview: Washington, DC
All 21 firms we list here are in Washington itself. We have 22 firms in Washington on file; this page shows the highest-rated 21. 16 of the firms on this page have a rating, from 1.0 to 5.0 across 284 reviews; 2 have 50 or more reviews and 11 are rated 4.5 or higher. The topics that come up most in reviews of the firms on this page are "knowledge", "expertise" and "results". 1 is open around the clock; 2 are open on Saturdays and 2 on Sundays. The practice areas the firms on this page list most often on their websites are estate planning (2), fiduciary services (2), international tax (2), irs collections (2) and irs penalty abatement (2). 2 have a BBB rating of A or A+. 16 have ten or more years of experience, the longest 103 years. 1 offers urgent consultations; 1 offers a free initial consultation and 1 is family- or locally-owned. 1 has Spanish-speaking staff. We have a website on file for all 21 of the firms on this page; 16 publish a contact page; 12 list a public email and 2 take bookings online. We count these figures across the firms on this page; hours and prices change, so confirm the details with the firm before you book a consultation.
Which tax firms listed for Washington describe their dispute work online?
Of the 21 firms on this page, all 21 have a website on file. Most set out whether they handle examinations, collection matters, appeals or criminal exposure, and those are genuinely different practices. It is the firm's own description, so read it as a claim rather than a verification.