IT’S OUR TURN TO FIGHT FOR YOU!

Maximizing case value, leveraging insider intelligence, and maintaining a singular focus.

IT’S OUR TURN TO FIGHT FOR YOU!

Maximizing case value, leveraging insider intelligence, and maintaining a singular focus.

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Over 150 5 Star Reviews on Google
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Why Clients Choose the National Security Law Firm

When the federal government comes after your security clearance, your career, or your benefits, the stakes couldn’t be higher. This isn’t just paperwork — it’s your paycheck, your reputation, and your family’s future.

At National Security Law Firm (NSLF), we’ve stood on both sides of the fight.

Insider Advantage – Our attorneys are veterans, former JAGs, prosecutors, judges, adjudicators, and federal insiders. We know the government’s playbook because we helped write it.

Lived Experience – Many of us have also been denied benefits, retaliated against, or forced out of careers we earned. We know that devastation firsthand, and we know how to win.

Mission-Focused – Unlike civilian firms that dabble in everything, we live and breathe federal and military law. It’s not just a practice area — it’s our sole mission.

Outcome-Driven – Every strategy is designed to maximize case value and deliver what matters most:

  • Clearances Restored

  • Careers Protected

  • Benefits Secured

  • Reputations Defended

  • Peace of Mind Regained

The federal government is a formidable adversary with endless resources. You can’t face it with an ordinary lawyer. You need a battle-hardened unit that operates with insider intelligence, military precision, and relentless advocacy.

That’s why NSLF is recognized as one of the nation’s premier federal and military law firms, trusted nationwide for security clearance, military defense, and federal employment matters.

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Join Forces With Us

Choosing NSLF means more than hiring attorneys. It means enlisting a team as disciplined, relentless, and precise as the finest military unit — one that knows the government’s playbook and knows what it feels like to be on the other side of it.

Our mission is simple: to deliver the outcomes that matter most — clearances restored, careers protected, benefits secured, dignity reclaimed, and peace of mind regained.

At NSLF, once we’re in your corner, your battle becomes ours. And we don’t back down.

Proven Results, Trusted Nationwide

4.9-Star Google Reviews — read them here
💬 Nationwide Representation — clients in all 50 states and overseas
🎖️ Veteran-Founded, Veteran-Led — we know the cost of service and the value of honor
📍 Based in Washington, D.C. — the hub of federal law and national security

Our Areas of Practice

We defend your career, your benefits, and your future across the full spectrum of federal and military law:

SECURITY CLEARANCES

Approximately 1% of applicants are denied a security clearance. This however does not factor in people who receive a Statement of Reasons (SOR), and simply do not respond.

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Federal Criminal Defense

Federal criminal cases are different. The prosecutors are backed by agencies like the FBI, DEA, ATF, IRS, & Homeland Security. Conviction rates are high, the resources against you are massive.

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SF-86 Application Advice & Document Preparation

The application advice and document preparation attorneys at National Security Law Firm offer highly specialized knowledge to help you gain security clearance for a job.

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COURTS-MARTIAL DEFENSE

The military defense lawyers at National Security Law Firm provide aggressive and highly experienced court-martial and UCMJ representation.

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FEDERAL EMPLOYMENT LAW

As a federal employee, if you want to protect and enhance your career, you must understand the various rights and restrictions that apply to your position.

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SUITABILITY DETERMINATIONS

If you are facing suitability issues or are interested in filing a suitability appeal, you should contact a suitability determination lawyer.

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DISCHARGE UPGRADES

A discharge upgrade lawyer can make a persuasive, organized, & comprehensive presentation & argument to the board can mean the difference in obtaining an Honorable upgrade.

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Military Discrimination & USERRA

When you return to civilian life, you may find that the country you fought for does not always fight for you.

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VA Disability Lawyer

As a veteran who served our country with honor, you deserve fair compensation for disabilities connected to your military service. However, dealing with the Department of Veterans Affairs (VA) can feel like an uphill battle.

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MILITARY BENEFITS

As a military service member or veteran, you and your family have sacrificed a great deal. There are so many benefits available that, chances are, you might be overlooking some major opportunities to invest, plan, and save.

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MMC Denials, Suspensions, & Revocations

At the National Security Law Firm, we specialize in guiding mariners like you through MMC denials, suspensions, and revocations, with a steadfast commitment to results.

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GLOBAL ENTRY APPEALS

If your Global Entry application has been rejected, you should promptly consult with an experienced Global Entry appeal lawyer. You can still fight and be admitted to the program.

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TWIC WAIVERS AND APPEALS

If you were denied a Transportation Worker Identification Credential (TWIC), you should contact an experienced TWIC lawyer today. We can help.

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HAZARDOUS MATERIALS ENDORSEMENT

The TSA bases its preliminary determination of ineligibility on either inaccurate or incomplete information.

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Customs Seizures

Our Customs Seizure Lawyers assist individuals in the filing of administrative petitions with U.S. Customs and Border Protection (CBP) with respect to seized goods & currency and obtaining the release of their property from CBP.

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FREEDOM OF INFORMATION

A transparent Government is essential in a democratic society. American citizens, as taxpayers, deserve to know what their Government is doing.

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New Jersey Expungements

Whether you’re applying for a job, renting an apartment, applying for a professional license, or even trying to coach your child’s little league team, a past arrest or conviction can stand in your way.

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Federal Firearm Restoration

For individuals who are eager to restore their Second Amendment rights under federal law, the recent developments are a reason for optimism – but also caution.

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Titling Removal

Titling, a process by which military law enforcement documents individuals as subjects of criminal investigations, can cast a long shadow, affecting promotions, security clearances, and future employment opportunities.

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TSGLI APPEAL LAWYER

At National Security Law Firm our TSGLI appeal lawyers are highly knowledgeable of the TSGLI claims and denials process and will aggressively pursue the benefits that you deserve.

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TSGLI APPEAL LAWYER

At National Security Law Firm our TSGLI appeal lawyers are highly knowledgeable of the TSGLI claims and denials process and will aggressively pursue the benefits that you deserve.

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Federal Firearm Prohibitions

If you were recently denied the purchase of a firearm following a background check by the FBI’s National Instant Criminal Background Check System (NICS), you’re not alone.

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Join Forces with Us

The National Security Law Firm: It’s Our Turn to Fight for You.

Our Clients Speak Out

Andrew P.

“I found Brett’s counsel invaluable. His service was prompt, direct, and professional. He’s an honest broker who will make the most of your time….”

Nelson C.

“After being denied my HazMat and TWIC, I figured I could appeal the denials myself. That proved to be frustrating and overwhelming. I sought….”

Karl T.

“As an attorney, I often get asked about legal matters I don’t handle. I recently had an opportunity to refer someone to Brett O’Brien for a….”

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