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Nathaniel Greeson helps clients solve government contracts challenges. Nathaniel represents clients in a range of government procurement issues, including bid protests, claims, disputes, audits and investigations. He has extensive experience with GAO bid protests, agency-level protests, Court of Federal Claims (COFC) bid protests, and SBA OHA size and NAICS appeals, as well as experience with agency-level requests for equitable adjustments (REA) and claims, and Boards of Contract Appeals claims. View articles by Nathaniel.

Government contractors operate in one of the most heavily regulated business environments in the world. Among the most significant compliance obligations facing contractors is the Federal Acquisition Regulation’s Mandatory Disclosure Rule (MDR), which requires contractors to disclose credible evidence of certain violations of federal criminal law, the False Claims Act, and significant overpayments arising in

For several years, defense contractors have been preparing for the implementation of the Department of Defense’s (DoD) Cybersecurity Maturity Model Certification (CMMC) program. In 2026, that preparation phase is rapidly giving way to implementation. Contractors that handle federal contract information (FCI) or controlled unclassified information (CUI) should expect CMMC requirements to appear with increasing frequency

What Are Flowdown Clauses in Federal Contracting?

When the federal government awards a contract, it imposes a detailed set of legal obligations on the prime contractor through the Federal Acquisition Regulation (FAR) and agency-specific supplements. Those obligations do not stop at the prime level. Many of them — sometimes dozens — must be passed down

The Office of Management and Budget (OMB) has issued one of the most significant proposed overhauls to federal grants management in over a decade. Published in the Federal Register on May 29, 2026, the proposed rule would revise the Uniform Guidance — OMB’s governmentwide framework governing grants, cooperative agreements, and other forms of federal

A recent Government Accountability Office (GAO) bid protest decision highlights a recurring issue in federal procurements: Agencies often take corrective action, but reevaluation errors can still lead to a sustained protest. In N&S Property Services, LLC, GAO sustained a second protest after corrective action, finding that the agency’s evaluation was unreasonable, poorly documented, and

For government contractors, receiving a Civil Investigative Demand (CID) can be unsettling. A CID often signals that the Department of Justice (DOJ) or another federal agency is investigating potential violations of the False Claims Act (FCA) or other federal statutes. While a CID is not a formal lawsuit or finding of wrongdoing, how a contractor

Receiving a notice of suspension or proposed debarment is one of the most serious events a federal contractor can face. These actions can immediately disrupt a company’s ability to compete for new work, jeopardize subcontracting relationships, and threaten ongoing contract performance.

While suspension and debarment are often associated with fraud investigations or major performance issues

For Israeli companies looking to expand into the United States, the federal government contracting market represents one of the most attractive growth opportunities in the world. The U.S. government is the largest purchaser of goods and services globally, and it routinely buys cutting-edge technology, cybersecurity solutions, defense-related systems, professional services, and specialized equipment that align

The Army’s Marketplace for the Acquisition of Professional Services (MAPS) procurement represents one of the most significant professional services contracting opportunities in recent years. MAPS, the $50 billion, 10-year IDIQ, is replacing both RS3 and ITES-3S, and is expected to shape Army services acquisitions for the next decade and serve as a critical gateway for

South Korea has become one of the fastest-growing defense markets on the planet. Korea’s defense exports reached $15.4 billion in 2025, surging 60% year-on-year, driven largely by major contracts with Poland and other NATO-aligned buyers. The country’s four largest defense firms — Hanwha Aerospace, Hyundai Rotem, Korea Aerospace Industries, and LIG Nex1 — are expanding