Skip to main content

Kostelanetz LLP

Practice Areas

For nearly 80 years, Kostelanetz LLP has built a global reputation as a law firm of choice for clients facing high-stakes controversies, negotiations with government agencies, and complex domestic and international tax planning decisions. Our attorneys have extensive experience in tax controversy, tax fraud defense, white-collar criminal defense, trust and estate planning, transactional tax planning, and government investigations. Important parts of the firm’s practice also include commercial litigation and government procurement and contracting.

 

Civil Tax Controversies
& Trials

Criminal Tax Fraud Investigations & Penalties

White-Collar Criminal Defense & Government Investigations

International Tax Controversies

Estate and Tax Planning – Estate and Trust Administration

Transactional Tax Planning

Internal Investigations

Civil Dispute Resolution – Complex Commercial Litigation

Government Procurement & Contracting

Securities Enforcement Defense

Appellate Litigation

Voluntary Disclosures

Kostelanetz LLP nyc skyline

Highly Skilled

 

Kostelanetz attorneys are highly skilled and approach each matter strategically based on decades of administrative and courtroom experience. Many of our attorneys have also served as former senior officials within the DOJ, IRS, SEC, and other federal and state prosecutors’ offices.

Highly Regarded

 

Kostelanetz and its attorneys have been recognized for our work on tax fraud, tax controversy, white-collar criminal defense, estate and tax planning, commercial litigation, and other practice areas by independent legal rankings agencies, such as Chambers USA and Best Lawyers.

Kostelanetz LLP dc supreme court

The Latest from Kostelanetz LLP

The team at Kostelanetz LLP regularly shares their insights on the latest legal trends and government enforcement actions through client alerts and media interviews and by authoring articles for major publications (such as Bloomberg Law, The CPA Journal, Tax Notes, and Law360). We are also frequent speakers at major legal conferences and events, and many of our lawyers serve as legal education presenters for CLE/CPE courses.