Shannonhouse Law Offices, P.L.L.C. is a distinguished legal practice specializing in tax law and white-collar criminal defense, serving clients throughout Oklahoma. Led by Joseph G. Shannonhouse, IV, the firm stands out for its four decades of focused experience in both state and federal tax controversies, as well as its AV Preeminent® Martindale-Hubbell peer rating—the highest recognition for legal ability and ethical standards.
The firm adopts a strategic, client-centered approach when confronting complex tax disputes and criminal allegations, particularly those involving the IRS and federal agencies. It is equipped to handle high-stakes cases for individuals and businesses facing audits, investigations, or litigation, emphasizing skilled advocacy and tailored solutions to protect clients’ financial and personal freedom.
Services Offered
- Tax Attorney Services
- State, Federal, and International Tax Controversies
- Tax Litigation
- Individual, State, and Federal Taxation
- White Collar Criminal Defense
- Tax Fraud
- Criminal Taxation
- Criminal Tax Investigations
- Tax Audits
- Federal Estate and Gift Taxation
- Federal Income Tax
- Fiduciary Income Tax
- Income Tax
- Interstate Tax
- Sales and Use Tax
- Tax Appeals
- Tax Collection
- Tax Deferred Exchanges
- Tax Law
- Tax Shelters
- Grand Jury Subpoenas
Based in Oklahoma City, the firm represents clients across Oklahoma in both state and federal jurisdictions. Joseph Shannonhouse is highly regarded for his depth of clients under investigation for tax crimes and his assertive approach to resolving complex tax disputes with government agencies.
