Negative Capital Account Planning. Learn More

Strategic Legal Planning, 
Built on Tax Expertise

Seyburn Law is a tax-focused law firm providing sophisticated legal planning and structuring for businesses, entrepreneurs, and individuals. We integrate taxation, corporate strategy, and estate planning to help clients make informed decisions, manage risk, and protect long-term value.

Tax Is Not an Afterthought. It’s the Foundation.

At Seyburn Law, nearly every legal decision begins with understanding its tax consequences. Our practice is built on the belief that effective legal solutions require proactive tax planning, not reactive fixes. By integrating tax analysis into every engagement, we help clients structure transactions, businesses, and estates with clarity and confidence. We provide the experience and technical depth of a larger firm, paired with the accessibility, efficiency, and flexibility of a lean practice.

Focused Expertise Across Complex Matters

Our work centers on legal areas where thoughtful structuring and tax planning are critical:
Tax Planning & Taxation Law
Corporate Planning, Structuring & Transactions
Estate Planning & Wealth Transfer
Aviation Industry Planning & Structuring
Cannabis Industry Corporate & Tax Consulting
Each engagement is approached holistically by aligning legal strategy, tax efficiency, and long-term objectives.
Explore Practice Areas

Big-Firm Knowledge. Small-Firm Access.

Clients choose Seyburn Law for clear guidance, direct access, and strategic thinking.

Tax planning is handled in-house, reducing complexity, cost, and risk.

Clients work directly with experienced counsel, not layers of intermediaries.

We emphasize fixed or defined pricing whenever possible, allowing clients to plan with confidence.

We focus on planning before decisions are finalized, not cleaning up after the fact.

Built on Experience.
Driven by Strategy.

Founded by Marc E. Seyburn, Esq., Seyburn Law brings decades of combined legal, tax, and transactional experience to every matter. Our team works closely with clients to design durable legal structures that stand up to regulatory scrutiny and support long-term success.
Meet Our Team

Let’s Start with the Right Structure

Whether you are planning a transaction, building a business, or preparing for the future, early legal and tax planning makes all the difference.We provide the experience and technical depth of a larger firm, paired with the accessibility, efficiency, and flexibility of a lean practice.
Contact Seyburn Law