Costin Marcus PLLC

Costin Marcus PLLC is a leading commercial litigation boutique based in Alexandria, Virginia. We represent clients in high-stakes business disputes—including over alleged theft of trade secrets, breaches of contract and fiduciary duties, fraud, computer fraud and abuse, tortious interference with contract, and business conspiracy. Drawing on decades of courtroom experience, strategic precision and foresight, we have secured favorable results for our clients.