The trusted law firm for
Tax Controversy
State & Local Taxation

Practical. Technical. Strategic.

Your Trusted Advisor for Federal, State, and Multistate Tax Law Challenges

Rothenberg Tax Law is a boutique law firm with a niche focus in federal and state tax controversy and multistate state and local tax consulting. We are located in the Greater New York City Metropolitan Area, but our clients are nationwide.

Founding attorney Lance E. Rothenberg has broad experience assisting a wide-range of businesses and business owners, from Fortune 100 companies and high net-worth individuals, to small and mid-size businesses and individuals, facing a variety of federal, state, local, and multistate tax issues.

Lance E. Rothenberg Founder, Managing Attorney
  • Rated by Super Lawyers
  • New York State Bar Association
  • New York City Bar Association
  • New Jersey State Bar Association
  • DC Bar Association
  • Virginia State Bar
  • American Bar Association
  • Marquis Who's Who 2025 Listee

Practice Areas

Whether you’re facing a federal or state tax controversy or need support with a nuanced multistate tax matter, Rothenberg Tax Law, LLC is here to advocate for your best outcome in the following practice areas:

  • Tax Audit Defense & Appeals
  • State & Local Tax Nexus
  • Gross Receipts Taxation
  • Voluntary Disclosures
  • Residency Audit Defense & Planning
  • Tax Collection Defense
  • Trust Fund Taxation & Responsible Officer Assessments
  • Remote Worker Taxation
  • Sales & Use Tax
  • Corporate Income Taxation (apportionment and sourcing)
  • Employee Retention Credit (ERC) Audit Defense
  • Innocent Spouse Defense
  • Worker Classification
  • Advisory Opinions and Letter Rulings
  • Routine Multistate Tax Notices
  • Penalty Abatement
  • Crypto Currency Taxation
  • Outsourced Tax Controversy Services for CPA Firms
  • S Corporation Reasonable Compensation
  • Business Loss vs Hobby Loss Disputes
  • Back Taxes / Non-Filers
  • Athlete & Entertainer Tax Disputes
  • Liens & Levy Defense
  • Unfiled Tax Returns
  • Cannabis Taxation

Recent Publications

  • The ABCs of Worker (Mis-)Classification Recent Developments in New Jersey,” The CPA Journal (March 2023)
  • New York Appeals Court Holds Taxpayer’s Vacation Home Did Not Qualify as “Permanent Place of Abode,” The CPA Journal (September 2022)
  • Complexity of Sales Taxation of Information Services: A Review of Recent New York Litigation,” The CPA Journal (February 2022)
  • The Exodus from New York Due to CV19 – Income Tax Residency Considerations,” The CPA Journal (June 2021)
  • Recent New York Sales Tax Litigation Leaves Auto Dealership at Side of Road,” The CPA Journal (December 2020)
  • Current Tax Issues in the Cloud: Sales of Software versus Services in Citrix,” The CPA Journal (July 2020)

A Client-Focused Approach to Tax Law

At Rothenberg Tax Law, LLC, we believe in building genuine relationships with our clients. We take the time to understand your goals and concerns—and to explain complex tax issues in clear, accessible terms. You’ll never be left in the dark about your case or the steps ahead.

Whether you’re dealing with a difficult state tax question, a federal audit, or a full-scale tax controversy, you deserve thoughtful, personalized guidance. We listen closely, analyze the facts with care, and craft practical solutions that protect your interests and support your future. Contact us for a consultation.

Phone: 646.693.3635

CONTACT US

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