When the IRS calls, hire a tax lawyer. Not a tax preparer.

Top 10 Tax and IRS Lawyers in Washington DC

DC tax practice is at the epicenter — IRS HQ, U.S. Tax Court, DOJ Tax Division, and IRS Office of Chief Counsel are all in DC. Many DC tax lawyers are former IRS or DOJ alumni.

These 10 DC tax firms cover IRS controversy, criminal tax, international tax, and HNW estate-tax planning.

How we picked these 10: We reviewed published verdicts and settlements, peer rankings (Best Lawyers, Super Lawyers, Chambers and Partners, Avvo), client review patterns, and bar association recognition. Firms that appeared consistently across independent sources made the list. We do not accept payment for placement, and we do not write sponsored reviews. More on our methodology →

1

Caplin & Drysdale, Chartered

📍 DC Founded 1964 Mid-size

Practice focus: Tax controversy, criminal tax, white-collar, exempt organizations

Premier DC tax-controversy firm. Multiple Chambers Band 1 attorneys.

Fee structure
Hourly + retainer
Free consultation
Paid
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2

Miller & Chevalier Chartered

📍 DC Founded 1920 Mid-size

Practice focus: Federal tax planning, international, controversy

Long-established DC tax-only firm. Multiple Chambers Band 1 attorneys.

Fee structure
Hourly + retainer
Free consultation
Paid
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4

Thorn Law Group

📍 DC Founded 2000 Boutique

Practice focus: IRS audits, federal tax litigation

Former IRS lawyers. Premier IRS audit defense practice.

Fee structure
Hourly + retainer
Free consultation
Paid
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5

Pontius Tax Law, PLLC

📍 DC + MD + VA Founded 2010 Boutique

Practice focus: IRS audits, U.S. Tax Court litigation, criminal tax

John Pontius — represents individuals and businesses in IRS controversy and Tax Court.

Fee structure
Flat + hourly
Free consultation
Paid
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6

Tax Relief Counsel

📍 DC Founded 2010 Boutique

Practice focus: IRS audits, federal and DC tax

Ramy Shabana — DC tax controversy boutique. Strong individual + small-business intake.

Fee structure
Flat + hourly
Free consultation
Free initial
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7

David W. Klasing Tax Law — DC

📍 DC Founded 2000 Mid-size

Practice focus: Civil and criminal tax controversy, FBAR

Tax attorney + CPA with national practice. A+ BBB; 10.0 AVVO.

Fee structure
Hourly + retainer
Free consultation
Paid
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9

Arnold & Porter — Tax

📍 DC HQ Founded 1946 Global

Practice focus: Federal tax, international, controversy

DC-headquartered global firm with strong tax practice.

Fee structure
Hourly + retainer
Free consultation
Paid
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10

Sutherland (Eversheds Sutherland) — DC Tax

📍 DC Founded 1924 Global

Practice focus: Federal tax, financial services tax, controversy

Major DC tax practice especially for financial services and energy clients.

Fee structure
Hourly + retainer
Free consultation
Paid
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What to expect from a DC tax engagement

IRS audit 30-day response. Lawyer files Form 2848. Cases that don't settle go to IRS Appeals or U.S. Tax Court (DC).

What does a tax lawyer in DC cost?

Hourly $400-$1,000 partner. Audit defense flat fee per stage $5K-$25K. Criminal tax with substantial retainer.

Red flags to watch for when picking a tax and IRS lawyer in Washington DC

The legal directory you find on Google has thousands of Washington DC tax and IRS firms. Most are competent. A few are problematic. The patterns to avoid:

Guaranteed outcomes. No ethical attorney can guarantee a result. If a firm promises a specific recovery, dismissal, or visa approval, walk away.

The disappearing partner. You meet a senior partner at intake, then never speak to them again. The case is handled by an unsupervised junior or a paralegal. Ask in writing who will be your day-to-day attorney.

Pressure to sign immediately. Reputable firms give you the retainer in writing, time to read it, and the option to take it home. High-pressure intake is almost always a sign of a volume mill, not a craftsperson's practice.

No verifiable track record. The firm should be able to point to verdicts, settlements, peer rankings, or bar association recognition. "We've helped thousands of clients" is marketing copy. Specific numbers, named cases, and third-party rankings are evidence.

Vague fee terms. "Don't worry about cost" is a red flag. Every legitimate Washington DC lawyer will give you a written engagement letter with the fee structure, what's covered, what triggers extra charges, and what happens if you fire them.

10 questions to ask in your free consultation

Most Washington DC firms on this list offer a free initial consultation. Use it. Bring a list of questions and write down the answers. Compare across at least two firms before you sign.

  1. Who, specifically, will handle my case day-to-day? Get a name. Get an email.
  2. How many cases like mine have you handled in the last three years? You want a number, not a brochure line.
  3. What is your fee, and what does it cover? Get the answer in writing before you sign.
  4. What case expenses am I responsible for, and when? Out-of-pocket costs surprise people. Ask now.
  5. What is the realistic range of outcomes for a case like mine? A good lawyer will give you a range. A bad one will promise the high end.
  6. How long will it take? Honest estimate, with the assumptions stated.
  7. Who else might be involved? Experts? Co-counsel? Larger cases routinely involve outside experts. Know who's on the team.
  8. How and how often will I hear from you? Email-only? Calls? Monthly updates? Set the expectation now.
  9. What happens if I want to change lawyers later? Rules allow it; the fee is sorted between firms. Make sure you understand the mechanics.
  10. What's the worst-case outcome for my case? A lawyer who refuses to discuss downside risk is selling you something.

What's specific about a tax and IRS case in Washington DC

Washington DC is its own market. The procedure, the courts, and the strategy are city- and state-specific in ways that matter to your outcome.

Local courthouses matter. DC Superior Court at Judiciary Square and the U.S. District Court for the District of Columbia have judges, calendars, and procedures that shape how cases move. A firm that knows the local courthouse has an advantage.

Filing deadlines are strict. Notice of Claim windows for cases against the City or County, Statute of Limitations periods, and pre-suit certification requirements vary by case type and are unforgiving. A missed deadline often means a lost case — full stop.

Local procedure rules matter. Each court has its own forms, motion practice, and judge preferences. The right Washington DC firm will know not just the law, but the unwritten rules of the courthouse you'll be in.

Local plaintiffs/defendants do well in front of local juries. Verdict patterns vary by venue, and a trial-capable firm uses venue strategically.

Frequently asked questions

Tax lawyer or CPA for audit?

Both can help — only lawyer has privilege.

What is OIC?

Settle tax debt for less than you owe.

Can IRS take my house?

Federal liens; rarely seizes homes.

DC franchise tax issues?

DC has its own franchise tax for businesses.

How long does IRS have to audit?

Generally 3 years; 6 if 25%+ understatement.

One last thing. Choosing a lawyer is personal. Read the reviews. Call two or three firms before you sign. Ask each one: How many cases like mine have you taken to verdict in the last three years? The answer tells you everything. — The LawFirmSquare team