Henault & Sysko Law Firm

About Henault & Sysko

Henault & Sysko Chartered, established in 1980, is a law firm specializing in national security law, government contracting, and criminal defense, with offices in Maryland and Washington, D.C. The firm was founded by experienced attorneys with deep roots in the intelligence community, including NSA and military backgrounds. Their mission is to provide high-quality, effective legal solutions tailored to government employees, contractors, and individuals involved in national security matters. The firm prides itself on its integrity, professionalism, and commitment to client success. With a team of skilled attorneys, Henault & Sysko offers personalized legal counsel, leveraging their extensive experience to navigate complex legal issues. Their unique approach combines technical expertise with strategic advocacy, setting them apart from competitors and ensuring clients receive comprehensive legal support.

Credentials & Industry Expertise

The firm boasts numerous certifications, industry memberships, and decades of experience in national security law. Co-founder Dennis J. Sysko is a former NSA employee and electrical engineer, bringing specialized knowledge in high-tech and federal contracting. The attorneys are recognized for their expertise in security clearance adjudications, appeals, and defense, with a proven track record of successful case outcomes. Their credibility is reinforced by client testimonials praising their thoroughness, professionalism, and aggressive representation. The firm maintains active memberships in legal and security associations, emphasizing their commitment to staying current with industry standards and regulations. Their reputation is built on trust, experience, and a deep understanding of the federal security landscape.

Services & Unique Advantages

Henault & Sysko offers a broad range of legal services, including security clearance support, government contracting, criminal defense, estate planning, and litigation. They serve clients across Maryland and Washington, D.C., with a focus on government employees, contractors, and defense community members. The firm’s process emphasizes personalized attention, strategic planning, and expert advocacy to achieve favorable outcomes. Their key benefits include in-depth knowledge of federal security procedures, strong connections within the intelligence community, and a dedicated team committed to client success. Notable differentiators include their founders’ backgrounds in national security, their long-standing presence since 1980, and their comprehensive legal expertise in high-stakes security matters.