Mark S. Zaid, P.C.

Mark S. Zaid, P.C., stands as a preeminent Washington, D.C. law firm known for legal excellence and fearless advocacy in national security, federal employment, and First Amendment law. The firm has cultivated a global reputation for confronting government authority and defending those who serve within the intelligence, defense, and military communities. Decades of experience in sensitive and high-stakes matters have established a legacy of ethical representation, transparency, and strategic precision that ensures every client’s rights remain protected.

Mark S. Zaid, P.C., provides unparalleled counsel to clients navigating the shadowed complexities of security clearance disputes, whistleblower retaliation, prepublication review, and constitutional challenges. Through exhaustive preparation and deep legal expertise, the firm develops tailored strategies that balance discretion with assertive representation. Each case benefits from a disciplined approach combining litigation skill, administrative insight, and fluency in agency procedures. This measured precision enables the firm to achieve consistent results across administrative hearings, federal court actions, and classified review processes.

Mark S. Zaid, P.C., brings unique insight to matters involving intelligence personnel, federal contractors, journalists, and government employees whose careers and reputations depend on secure and ethical legal guidance. The firm’s work spans from defending security clearances to challenging unlawful classifications and ensuring public access to information through the Freedom of Information and Privacy Acts. Clients rely on its combination of confidentiality, discretion, and trust—principles that define every aspect of its representation.

Mark S. Zaid, P.C., has earned distinction through national recognition and peer accolades, including honors from Washingtonian Magazine and listings among Washington, D.C. Super Lawyers. The firm’s leadership in teaching and advocacy reflects a broader commitment to integrity and justice within the national security and whistleblower communities. With a reputation for principled advocacy, thorough preparation, and resolute defense of constitutional rights, the firm continues to safeguard those who safeguard the nation.