Tax preparers in Illinois
To find and verify a tax preparer in Illinois, confirm they hold a current IRS PTIN and check their credential: a CPA through the Illinois Department of Financial & Professional Regulation (CPA licensing), an enrolled agent or attorney through the IRS, or any preparer in the IRS Directory of Federal Tax Return Preparers. Illinois levies a flat individual income tax, administered by the Illinois Department of Revenue.
Find & verify a preparer in Illinois
How do I find a tax preparer in Illinois?
Search the IRS Directory of Federal Tax Return Preparers by Illinois location for preparers who hold a valid PTIN and a recognized credential. Cross-check a CPA in CPAverify, and use the TaxPros Rated directory to see the recognized professional bodies and how to confirm standing.
- IRS Directory of Federal Tax Return PreparersSearch the IRS list of preparers who hold a valid PTIN and a recognized credential (CPA, enrolled agent, or attorney), by name and location.Open tool
- CPAverify (NASBA)Verify a CPA license across participating U.S. state boards from the official NASBA Accountancy Licensee Database.Open tool
- IRS: Understanding preparer credentialsIRS guidance on what each credential means and what a preparer is allowed to do for you.Open tool
How do I verify a Illinois CPA or tax preparer?
Confirm the preparer's PTIN and credential at the source: a CPA through the Illinois Department of Financial & Professional Regulation (CPA licensing) or CPAverify, an enrolled agent or attorney through the IRS, and any paid preparer in the IRS preparer directory. A preparer who will not sign your return is a warning sign.
| Credential | Where to verify |
|---|---|
| CPA | Illinois Department of Financial & Professional Regulation (CPA licensing) or CPAverify |
| Enrolled agent (EA) | IRS Directory of Federal Tax Return Preparers |
| Attorney | Illinois State Bar Association (and the IRS directory) |
| Any paid preparer (PTIN) | IRS Directory of Federal Tax Return Preparers |
Does Illinois have a state income tax?
Yes. Illinois levies a flat individual income tax, administered by the Illinois Department of Revenue. A preparer or CPA who knows Illinois rules can file both your federal and state returns; confirm the agency's current requirements on its official site before you rely on a figure.
Illinois CPA society: Illinois CPA Society.
Illinois bar association (verify an attorney): Illinois State Bar Association.
A tax pro in Illinois? Get listed.
Flat-fee listings, verified credentials, no cold-call leads. Claimed listings appear here once credentials verify.
Informational directory only — TaxPros Rated summarizes neutral, source-cited information and does not provide individualized tax guidance or endorse individual preparers. Verify any preparer’s current credential standing through the official sources above before you engage them. Sources last verified 2026-06-28.
Tax preparers in other states
Important disclaimer
Informational only — not tax advice. This page summarises publicly available information about tax as of July 2026. Tax laws change, individual circumstances vary, and the application of any rule depends on your specific facts.
TaxProsRated does not provide tax, legal, accounting, or financial advice. Before acting on anything you read here, consult a qualified tax professional licensed in your jurisdiction . TaxProsRated, its operators, and its contributors disclaim all liability for action taken in reliance on this page.