Best Law Firms in New York for Tax Law

Kostelanetz LLP has represented individuals, businesses, and institutions for nearly 80 years in high-stakes disputes, government investigations, regulatory matters, and complex domestic and international tax planning issues. The firm’s practice includes tax controversy, tax fraud defense, white-collar criminal defense, trust and estate planning, transactional tax planning, and government investigations. The firm also represents clients in sensitive and complex internal investigations, as well as matters involving commercial litigation and government procurement and contracting.

Our attorneys draw on decades of experience advising clients on administrative proceedings, litigation, and domestic and international tax compliance matters. Many have previously served in senior positions with the Internal Revenue Service, the U.S. Department of Justice, the Securities and Exchange Commission, and federal and state prosecutors’ offices. Several attorneys have also served as federal judicial law clerks and hold advanced degrees in taxation.

Kostelanetz LLP attorneys regularly contribute articles and commentary to publications including The CPA Journal, Tax Notes, The Journal of Tax Practice & Procedure, and Law360. Their work addresses developments in tax law, civil and criminal tax enforcement, transactional tax planning, estate and trust planning, commercial litigation, and White-Collar Criminal Defense & Government Investigations. Attorneys at the firm also write and speak on issues involving IRS audits, IRS criminal investigations, state and local enforcement actions involving alleged tax evasion, and enforcement activity by the Department of Justice, the SEC, FinCEN, and other regulatory agencies.

Several partners teach at nationally recognized law schools, including NYU and Georgetown. Firm attorneys also present CLE and CPE programs on tax, litigation, and legal ethics topics and are frequently retained as consultants or witnesses in tax controversy matters.

Kostelanetz LLP is committed to providing clients with direct access to partners and senior attorneys throughout each engagement. The firm emphasizes practical, cost-conscious representation tailored to the needs of each matter and has the depth and flexibility to scale its legal teams as client needs evolve.

McDermott Will & Schulte is an international law firm serving businesses, institutions and individuals across a wide range of legal matters. With offices throughout the United States and Europe, including Chicago, New York, London, Paris, Frankfurt and Washington, D.C., the firm advises clients on complex transactions, regulatory concerns, litigation and industry-specific challenges. Since first earning attorney recognition in 1983, the firm has continued to build a broad legal practice shaped by changing markets and evolving client needs.

The firm is known for its work in corporate law, mergers and acquisitions, banking and finance, tax law, health care law, intellectual property and high-stakes litigation. Its attorneys also counsel clients in emerging areas such as artificial intelligence law, fintech, privacy and data security, biotechnology and life sciences. McDermott Will & Schulte represents clients ranging from growing companies to multinational organizations, helping them navigate business decisions, disputes and regulatory matters with practical legal guidance.

McDermott Will & Schulte has earned recognition across numerous practice areas in Best Law Firms rankings, including bankruptcy and restructuring, employment law, real estate law, securities regulation, patent law, antitrust law and international trade and finance law. The firm also has 357 lawyers recognized by Best Lawyers, reflecting peer-reviewed acknowledgment across a broad range of legal disciplines.

Clients turn to McDermott Will & Schulte for counsel that is strategic, business-minded and tailored to the industries they serve. Whether handling cross-border transactions, intellectual property disputes, health care compliance or complex commercial litigation, the firm focuses on delivering clear legal solutions that align with each client’s long-term objectives.

With six offices and more than 250 lawyers, Rivkin Radler provides practical, efficient legal services tailored to our clients’ needs. We follow internal best practices that exceed standard professional and ethical requirements. Our work is clear, responsive, and delivered on schedule, allowing clients to move forward with clarity and confidence.

We focus on strong advocacy and long-term client relationships. Many clients have worked with our firm for decades, reflecting our ongoing commitment to responsiveness, communication, and thoughtful counsel.

We advise successful individuals, middle-market businesses, and large corporations across a wide range of industries. For clients who prefer to communicate in their native language, our attorneys and staff offer services in French, Haitian Creole, Greek, Hebrew, Hindi, Italian, Korean, Panjabi, Polish, Russian, Spanish, Tagalog, and Urdu.

Our firm represents clients across 24 practice areas: Appeals; Banking; Bankruptcy; Class Actions; Commercial Litigation; Complex Torts & Product Liability; Construction; Corporate; Directors & Officers Liability; Elder Law; General Liability; Health Services; Immigration; Insurance Coverage; Insurance Fraud & Recovery; Intellectual Property; Labor & Employment; Medical Malpractice Defense; Privacy, Data & Cyber Law; Professional Liability; Real Estate; Surety; Trusts & Estates; and Tax.

Rivkin Radler is committed to fostering diversity within an inclusive environment that values individuals, encourages different perspectives, and supports thoughtful collaboration.

We employ professionals with a wide range of backgrounds and life experiences, creating a culture that supports professional growth and thoughtful problem-solving. Our attorneys are active in professional organizations, support nonprofit initiatives that serve the public interest, and contribute to legal scholarship.

For client convenience, the firm maintains six office locations: Albany, N.Y.; Hackensack, N.J.; Jacksonville, Fla.; New York City, N.Y.; Poughkeepsie, N.Y.; and Uniondale, N.Y.