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Choose the tax professional whose experience matches the work you need. For a routine return or tax planning, an appropriately experienced CPA or enrolled agent (EA) is usually the practical starting point. For an IRS audit, collection problem or appeal, verify that the person routinely handles that stage and will represent you through it. When you need legal advice or litigation, interview a tax attorney for that specific work. All three credentials—CPA, EA and attorney—carry unlimited representation rights before the IRS, but the credential alone does not prove a specialty.
This comparison covers U.S. federal tax matters. State licensing, fees, availability and each practitioner’s actual services vary, so confirm current standing and obtain a written scope and estimate before hiring.
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At a glance
| Name | Best for | Key spec | Checked |
|---|---|---|---|
| Enrolled agent (EA) | Tax preparation, planning and IRS matters when the EA has matching experience | IRS credential; generally a three-part Special Enrollment Examination or qualifying former IRS experience; 72 hours of continuing education every three years; unlimited IRS representation | November 2026 |
| Certified public accountant (CPA) | Returns, tax planning and accounting-related work from a tax-focused CPA | State accountancy-board license; Uniform CPA Examination plus applicable education, experience and character requirements; unlimited IRS representation | November 2026 |
| Tax attorney | Tax-law advice, controversy strategy and litigation | State, District of Columbia or other authorized bar license; law degree and bar examination generally required; unlimited IRS representation | November 2026 |
There is no official fee survey or outcome statistic that makes one credential universally “best.” The deciding factors are the issue, the professional’s directly relevant experience, the promised scope of representation and the clarity of the fee arrangement.
What is the difference between a CPA, enrolled agent and tax attorney?
The main difference is how each professional is credentialed and the professional work they are trained and licensed to perform. Their IRS representation authority is the same in breadth, but their education, regulator and typical practice emphasis differ.
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| Credential | How it is granted | IRS authority | Questions to ask |
|---|---|---|---|
| Enrolled agent | The IRS grants the credential. Applicants generally pass the three-part Special Enrollment Examination; certain former IRS employees may qualify through their experience. EAs must complete 72 hours of continuing education every three years. | Unlimited representation before the IRS, including audits, collection matters and appeals. | Have you handled returns or disputes like mine? Will you represent me at the audit, collection stage or appeal—not just prepare paperwork? |
| Certified public accountant | A state board of accountancy licenses the CPA. Requirements include passing the Uniform CPA Examination and meeting that jurisdiction’s education, experience and character rules. | Unlimited representation before the IRS, including audits, collection matters and appeals. | Is your license active in the jurisdiction involved? What percentage of your practice concerns my type of tax issue? |
| Tax attorney | A state, the District of Columbia or an authorized bar authority licenses the attorney. A law degree and bar examination are generally part of the path. | Unlimited representation before the IRS, including audits, collection matters and appeals. | Are you licensed and in good standing? Have you handled this precise tax controversy or legal question? |
The IRS credential guide explains the credential paths and their limits. It is a mistake to treat “tax attorney,” “tax CPA” or “EA” as a guarantee of a particular specialty: individual practices can be narrow or broad.
Who can represent me before the IRS?
Attorneys, CPAs and EAs can represent a taxpayer in any IRS matter, including an audit, a payment or collection issue and an appeal. The IRS summarizes this plainly: “Only attorneys, CPAs, and enrolled agents can represent taxpayers before the IRS in all matters, including audits, collections, and appeals.” Confirm that the person you hire will actually appear and communicate for you, rather than only prepare a return.
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Representation rights do not transfer responsibility for accuracy. The IRS says, “You’re ultimately responsible for all the information on your return.” Read the completed return, ask about entries you do not understand and keep the supporting records even when a professional prepares and signs it.
Do I need a tax attorney or a CPA?
For a return, tax planning or accounting-heavy question, start by interviewing a tax-focused CPA or EA whose past work matches your facts. Choose a tax attorney when the central need is legal advice, privilege-sensitive strategy, a serious controversy or litigation. The right answer depends on the job, not on a blanket hierarchy among credentials.
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Routine return preparation
A CPA may be useful when your tax work is tied to financial statements, a business or broader accounting needs; an EA may be a strong fit for a tax-centered practice. Either can prepare and sign returns, but ask who will review the work and whether the professional remains available after filing season.
Tax planning
Ask candidates to describe planning work for circumstances like yours—such as self-employment, investments, a transaction or a multistate situation—rather than relying on the credential name. Request the assumptions, deliverables and timing in writing so a one-time consultation is not confused with ongoing compliance.
IRS audit
Use a CPA, EA or attorney who has defended comparable audits and will handle correspondence, meetings and responses through the stage you are facing. Ask whether the engagement includes an appeal if the examiner’s result is unfavorable; “audit help” can otherwise mean only document preparation.
Collection problem
For liens, levies, payment arrangements or other collection work, confirm recent experience with IRS collection procedures and the authority the professional will use to negotiate or present your case. An EA, CPA or attorney may do this work; choose based on demonstrated fit and continuity.
Appeal or litigation
Ask specifically about administrative appeals, Tax Court or other litigation if those possibilities are on the table. A tax attorney is the natural candidate when you need legal analysis or courtroom representation, but an EA or CPA with the appropriate controversy experience may represent you in IRS administrative matters. Have the professional identify where their representation ends and whether another lawyer must be engaged.
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How should I choose between the three credentials?
Interview candidates against four decision points: problem fit, relevant experience, scope and continuity, and verification and cost. This process is more reliable than assuming every member of a credential group offers the same service.
- Define the job in one sentence. Write down whether you need a return prepared, a planning opinion, audit defense, collection assistance, an appeal or legal advice. Include the tax years, entities and deadlines.
- Match experience to the facts. Ask for examples of similar work, not confidential client details. A person who mainly prepares individual returns may not be the right choice for a business examination or collection dispute.
- Specify the representation stage. Ask who will sign powers of attorney or other authorizations, attend meetings, answer IRS notices and handle an appeal. Confirm whether the named professional—not only an associate or seasonal preparer—will be available.
- Verify the credential. Check the EA through the IRS enrollment channel, the CPA through the relevant state accountancy board and the attorney through the relevant bar directory. Verify that a license is active and that any stated specialization is supported by the candidate’s own work history.
- Get a defined engagement and estimate. Request the deliverables, exclusions, hourly or fixed-fee method, retainer requirements, deadline assumptions and communication process in writing. Compare quotes only when the scope is comparable.
- Decide who will own follow-up. Ask what happens after the return is filed or the initial IRS response is sent. A low initial fee may not cover later notices, conferences or an appeal.
The IRS’s Topic 254 guidance and its tips for choosing a tax professional recommend checking credentials, asking about experience and fees, and understanding who is responsible for the work.
What should I ask before hiring a tax professional?
Use the following interview questions and write down the answers:
- What proportion of your work involves my type of return, industry, transaction or IRS dispute?
- Which tax years and jurisdictions will you cover?
- Will you prepare the return, review it, sign it and e-file it, or will different people perform those tasks?
- If the IRS contacts me, will you respond and represent me? Does that include an examination, collection conference and appeal?
- Who will be my day-to-day contact, and who makes final decisions?
- What documents and deadlines do you need from me?
- How do you charge for preparation, correspondence, meetings, research and additional IRS stages?
- When will I receive a complete copy of the filed return and engagement terms?
- What availability should I expect after filing season or after the first IRS decision?
Ask for a written fee estimate for the defined scope. No reliable national fee average is established, and prices vary by complexity, location, urgency and the professional’s practice. A quote that omits follow-up work is not directly comparable with one that includes representation through an appeal.
What are the red flags when hiring a preparer?
Walk away—or pause for a second opinion—when a preparer refuses basic accountability. The IRS and Taxpayer Advocate Service guidance identify these warning signs:
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- The preparer will not provide a valid preparer tax identification number (PTIN), will not sign the return or will not give you a copy of the completed return.
- The fee is based on the size of your refund, rather than the work performed.
- The person promises a larger refund than other preparers without first reviewing your records.
- The preparer asks you to sign a blank return, discourages questions or refuses to explain entries.
- The professional does not request documentation or pressures you to claim items you cannot substantiate.
- The engagement says “IRS help” but does not identify whether correspondence, conferences, collection work or appeals are included.
Even after a careful hire, review every line. You remain responsible for the information submitted under your name, and a credential does not make inaccurate information safe.
How do I verify an EA, CPA or tax attorney?
Use the regulator that issued the credential, then verify the engagement separately. For an EA, confirm current enrollment through the IRS’s credential information. For a CPA, use the state board of accountancy where the license is held; for an attorney, use the state or District of Columbia bar directory. If the matter involves another state, ask whether the professional is authorized to practice there or has arranged appropriate assistance.
Verification should include the person’s exact legal name, active status and any public discipline information the authority provides. It does not prove experience with your facts, so pair it with detailed questions about comparable cases and the stages the professional will handle. Keep copies of the engagement letter, invoices, filed returns and IRS communications.
What if I cannot afford private representation?
Taxpayers may retain an authorized representative of their choice, but private representation is not the only avenue. Low Income Taxpayer Clinics may assist eligible people with IRS audits, appeals and collection disputes. Eligibility, services and intake rules differ by clinic, so contact a clinic directly to ask whether it can take your matter. The IRS explains the right to retain representation in its taxpayer-rights guidance.
A clinic is not a substitute for every type of tax work: ask whether it handles your tax years, controversy stage and income situation. If you are not eligible, you can still use the interview and scope checklist above when seeking a private EA, CPA or attorney.
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Common hiring mistakes to avoid
- Choosing by title alone: “CPA,” “EA” and “tax attorney” describe credential routes, not a guaranteed specialty.
- Confusing preparation with representation: A person may prepare a return yet lack authority—or willingness—to handle a later IRS matter.
- Comparing mismatched quotes: A preparation-only quote cannot be compared fairly with one that includes audit defense and an appeal.
- Ignoring the jurisdiction: State accountancy and bar rules, licensing status and practice permissions can differ.
- Failing to plan for continuity: Ask who will respond when a notice arrives months after filing.
- Signing without reviewing: Read the return and engagement letter; correct missing or unsupported information before signing.
Bottom line: which tax professional should you hire?
Hire the qualified professional whose proven experience fits the actual problem. For ordinary preparation or planning, compare tax-focused EAs and CPAs; for an audit, collection issue or appeal, select any of the three who will represent you through the needed stage; for legal advice or litigation, prioritize a tax attorney experienced in that work. Verify the credential, define the scope, get the fee terms in writing and remember that you remain responsible for your return.
Frequently Asked Questions
Can an enrolled agent represent me if they did not prepare my tax return?
Yes. An EA has unlimited IRS representation rights, so preparation of the particular return is not the general limit on that authority. The practical question is whether the EA has handled your type of audit, collection matter or appeal and has agreed to take the case.
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No. The program is separate from EA status and generally gives narrower representation rights tied to returns the participant prepared and signed and to specified IRS personnel. Ask the preparer to identify the exact credential or program status before assuming full representation authority.
Do I need both a CPA and a tax attorney for one IRS problem?
Not necessarily. One professional with the right experience may cover the work, while a CPA, EA and attorney can also coordinate when accounting analysis and legal strategy are distinct. Have the lead professional explain who is responsible for each task and where representation authority ends.
Where can a taxpayer find help if private representation is unaffordable?
A Low Income Taxpayer Clinic may help eligible taxpayers with IRS audits, appeals and collection disputes. Clinics set their own intake and eligibility procedures, so contact one directly and describe your tax years, issue and current IRS stage.
