IRS letter on your kitchen table in Columbus? You have 30 days. Here's who can help.
Federal tax matters in Columbus are litigated in U.S. Tax Court (which holds Columbus sessions twice a year), U.S. District Court for the Southern District of Ohio, and through the IRS Cincinnati Service Center. Ohio also has its own Department of Taxation and the Ohio Board of Tax Appeals — many cases involve both state and federal layers. A Columbus tax attorney with an LL.M. in Taxation will save you money the same week you hire them.
These 10 firms handle tax and IRS matters for Columbus businesses, individuals, and entrepreneurs. The list mixes large established firms, mid-market players, and specialized boutiques so you can match the firm to your case size.
How we picked these 10: We cross-referenced published peer rankings (Best Lawyers, Super Lawyers, Chambers and Partners), bar association recognition, Avvo and Justia profiles, and verifiable firm websites. Firms appearing consistently across at least two independent sources made the list. We do not accept payment for placement, and we do not write sponsored reviews. More on our methodology →
Practice focus: IRS audits, offers in compromise, levy release, tax litigation
Attorney Matthew Porter is an Ohio Super Lawyer, Avvo Superb rated, and AV-rated by Martindale-Hubbell. Twice named to Columbus CEO Top Lawyers. Holds an LL.M. in Taxation. Practice is focused exclusively on resolving tax disputes.
Practice focus: Tax controversy, IRS representation, audit defense
Kenneth L. Sheppard, Jr. has 22 years of tax law practice. Handles IRS and Ohio Department of Taxation disputes for individuals and small businesses.
Practice focus: Business tax, audits, appeals, state and local tax
Founded by former Ohio Tax Commissioners. Specializes in helping businesses through audits, auditor findings, post-audit negotiations, appeals, and protests. Strong Ohio SALT bench.
Practice focus: Federal tax controversy, transactional tax, tax credits
Earned national and Ohio recognition in the 2026 Best Lawyers 'Best Law Firms' report and 2025 Chambers USA guide. Handles complex federal tax controversies and tax credit transactions.
Practice focus: Tax incentives, credits, nonprofit tax, tax litigation
Handling Ohio tax matters since 1945. Diverse client base including nonprofits, hospitals, schools, and tech firms. Counsel on economic incentives and tax credit transactions.
Practice focus: Federal and state tax controversy, corporate tax, estate tax
76 Taft attorneys recognized in 2026 Ohio Super Lawyers and Rising Stars. Tax team handles individual, corporate, and trust tax controversies in Tax Court and federal district court.
Practice focus: Tax planning, controversy, transactional tax
Large regional firm with a deep Columbus tax bench. Handles audit defense, voluntary disclosures, and complex transactional tax.
Practice focus: Corporate tax, state and local tax, tax credits
Recognized firm with a strong tax credit and SALT practice in Columbus. Often represents mid-market businesses through Ohio Department of Taxation audits.
Practice focus: Federal income tax, corporate tax, executive compensation
Best Lawyers Tier 1 tax practice. Strong on transactional tax structuring and federal tax controversy.
Practice focus: Estate and trust tax, individual tax controversy
Columbus boutique with a long tax controversy bench. Strong representation of individuals and trusts before the IRS and Ohio Department of Taxation.
Tell us about your situation and we'll match you with vetted tax attorneys in Columbus. Free, confidential, no obligation.
Request Free Consultation →IRS audit (correspondence): 3-6 months. Office or field audit: 9-18 months. Offer in Compromise: 6-12 months for acceptance/rejection. U.S. Tax Court petition to trial: 12-24 months. Installment agreement: 30-60 days to set up. Innocent spouse: 6-12 months.
Simple installment agreement: $750-$1,500 flat. Offer in Compromise: $3,500-$6,500 flat. Audit representation: $250-$500/hour, typical total $5,000-$25,000. Tax Court petition through trial: $25,000-$150,000+. Penalty abatement: $1,500-$3,500 flat. CDP hearings: $2,500-$5,000.
Ohio has its own Tax Department. Many tax matters in Columbus involve both federal (IRS) and state (Ohio Department of Taxation) layers. A firm that only does federal can leave money on the table on the state side.
The IRS Cincinnati Service Center. Most Ohio IRS correspondence audits route through Cincinnati. Columbus firms know the local Revenue Officers and Appeals Officers.
U.S. Tax Court sits in Columbus twice a year. If you petition Tax Court, your case will be heard locally — but only twice a year. Calendar pressure shapes settlement leverage.
Ohio CAT and municipal tax. Ohio's Commercial Activity Tax plus Columbus city income tax (2.5%) plus RITA municipalities make for layered business tax compliance. Local firms speak this language fluently.
Most firms on this list offer a free initial consultation or a low-cost intake. Use it. Before you sign, run the same set of questions past two or three of them. The answers tell you almost everything.
Guaranteed outcomes. No ethical attorney can guarantee a result. If a firm promises a specific dollar amount, approval, or dismissal, 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 engagement letter 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.
Vague fee terms. "Don't worry about cost" is a red flag. Every legitimate Columbus attorney will give you a written engagement letter that spells out the fee structure, what's covered, what triggers extra charges, and what happens if you change firms.
No verifiable track record. The firm should be able to point to peer rankings, bar association recognition, or published case results. "Thousands of satisfied clients" is marketing. Specifics are evidence.
Tell us a little about your situation. We'll send your information to vetted Columbus firms that handle tax matters and can call you back, usually the same business day.
Do not ignore it. You have 30 days to respond. A CP2000 is a 'matching notice' — the IRS thinks income on a 1099 or W-2 doesn't match what you reported. A Columbus tax attorney can usually resolve it for under $1,500 if you act in time.
Sometimes. The IRS Offer in Compromise program settles tax debt for less than owed if you can show you can't pay the full amount. About 33% of OICs are accepted. The IRS will not negotiate with you the way TV commercials suggest — but a real attorney with current financials can sometimes get a real settlement.
For tax preparation: a CPA or enrolled agent is fine. For an IRS audit, criminal investigation, Tax Court, or any matter where the IRS is questioning intent: hire a tax attorney. Attorney-client privilege protects your communications; CPA conversations are not privileged in criminal tax cases.
Ohio lets pass-through business owners deduct the first $250,000 of qualifying business income for state purposes. This has no effect on federal tax but creates Ohio-only audit risk. Many Columbus tax firms specialize in this overlap.
Generally 3 years from the date you filed. 6 years if you understated income by more than 25%. No limit if you committed fraud or didn't file. Ohio Department of Taxation has 4 years.
Business-related tax legal fees are deductible against business income. Personal tax controversy fees were broadly deductible before 2018 but are now generally not — except for specific exceptions like whistleblower awards or unlawful discrimination.
One last thing. Choosing a lawyer is personal. Read the reviews. Call two or three firms before you sign. Ask each one: How many matters like mine have you handled in the last three years, and what were the outcomes? The answer tells you everything. — The LawFirmSquare team