Do I Need a Tax Attorney?

A CPA handles returns and compliance. An attorney handles disputes, legal positions, privilege, and criminal exposure. Here’s how to tell which you need.

Sam Brotman, J.D., LL.M.

Last updated July 2026

You need a tax attorney when there’s a dispute with a government agency, when attorney-client privilege matters, when a tax position requires a formal legal opinion, or when there’s any possibility of criminal exposure. For return preparation, annual planning, and routine compliance — a CPA is the right person.

When You Don’t Need a Tax Attorney (A CPA Is Sufficient)

Filing your annual federal and state returns. Payroll tax deposits and quarterly filings. Routine IRS correspondence — for example, a CP2000 notice with a small proposed adjustment and clear supporting documentation. Annual business tax planning and entity structure optimization. Bookkeeping and financial reporting.

These are compliance and accounting functions. A CPA is the right professional for them. Involving a tax attorney in routine compliance is unnecessary cost.

When You Do Need a Tax Attorney

You received an IRS audit notice for a field audit, office audit, or any multi-year examination.
An IRS Revenue Officer has contacted you about an unpaid balance.
Two IRS agents appeared at your home or business without a prior appointment.
You received a grand jury subpoena related to taxes or a related business matter.
You’re closing a transaction where the tax treatment is uncertain and a formal opinion letter is warranted.
You want to file an Offer in Compromise and have complex assets or prior rejections.
Your CPA told you that a position on the return is aggressive and recommended a second opinion.
The IRS has filed a Notice of Federal Tax Lien against your property.

The Gray Zone — When Either Could Work

Simple IRS correspondence audits — CP2000 notices, single-year, single-issue — can sometimes be handled by a CPA or enrolled agent without an attorney. If the issue escalates, involves legal complexity, or the IRS attempts to expand the audit scope, that’s the point to involve an attorney.

Installment agreement negotiations for straightforward personal tax debt are sometimes handled by enrolled agents successfully. If the IRS is disputing collectibility, or you want to preserve rights for an Offer in Compromise, an attorney is more appropriate. See our tax debt resolution page for how we approach those matters.

When in doubt: a short consultation with a tax attorney costs little and clarifies whether you need one. See Tax Attorney vs. CPA for a detailed comparison of credentials.

Questions about your specific situation?

Book a free 15-minute call. We’ll tell you whether you need an attorney, a CPA, or both.

Frequently Asked Questions

Can I represent myself in an IRS audit?

Technically yes — you have the right to represent yourself before the IRS. The question is whether it’s advisable. In a correspondence audit with a simple factual issue, self-representation sometimes works. In a field audit, multi-year exam, or any matter involving legal complexity, it rarely serves you well. The IRS agent is experienced; you likely are not.

What’s the downside of not hiring a tax attorney?

The cost of not hiring an attorney is often measured in what you concede unnecessarily. IRS agents are trained to get information; without representation, taxpayers often provide more documentation than is required, make admissions that expand the scope of the audit, and miss procedural rights — like appeal rights or deadlines — that could have changed the outcome.

What is attorney-client privilege and why does it matter in a tax case?

Attorney-client privilege protects communications between you and your attorney from being disclosed to third parties, including the IRS. A CPA does not have this privilege — the IRS can subpoena a CPA’s workpapers and your communications with them. When the stakes are high or a position is aggressive, that distinction can matter significantly.

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Not Sure Whether You Need an Attorney?

The distinction between what a CPA handles and what requires a tax attorney isn’t always obvious. IRS collections, audit examinations, criminal exposure, and California FTB disputes typically benefit from legal representation. If you’re trying to figure out which category your situation falls into, a brief review can give you a clear answer without any commitment.

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