Costin Marcus PLLC is a leading commercial litigation boutique in Northern Virginia—trusted by companies, business owners, and executives facing high-stakes business disputes. Costin Marcus was recognized as a leading firm in the USA by Chambers for litigation in 2026, which provides independent, unbiased legal rankings. 


Clients turn to us when control of a business, significant money, or competitive advantage is at stake, or when a competitor, customer, employee, or business partner has violated a contract or broken the law. Many of our cases are litigated in federal and state courts across Virginia—including the “Rocket Docket” of the U.S. District Court for the Eastern District of Virginia and the Circuit Courts of Fairfax County and the City of Alexandria. We also frequently represent companies, business owners, and corporate executives in courts throughout the greater Washington, D.C. region, as well as in arbitrations and mediations nationwide.

When the stakes are high, don’t go it alone. Contact us to put one of Northern Virginia’s leading commercial litigation boutique on your side.

Costin Marcus PLLC
908 King Street, Suite 330
Alexandria, Virginia 22314
Email: contact@costinmarcus.com
Office: (703) 260-6401
Fax: (703) 439-1873

Costin Marcus PLLC

Org chart

Teams

Offices

Costin Marcus PLLC

Org chart

Teams

Offices

Related companies