Mary Beth Bosco is an attorney in Holland & Knight's Washington, D.C., office. She has more than 30 years of experience working with new and experienced government contractors, and focuses her practice on advising such organizations in contract and regulatory compliance, transactional matters, and entering and navigating the federal marketplace.

A substantial portion of Ms. Bosco's practice focuses on compliance matters and transactional work. With a background in regulatory matters and litigation, Ms. Bosco counsels clients on the drafting of procurement manuals, and the development and implementation of compliance and training programs. In this connection, she has performed numerous audits of contractor compliance systems and policies. Ms. Bosco, who has a vast knowledge on government contract subject matter, represents companies, financial institutions and investment funds in connection with acquisitions, investments and credit facilities involving government contractors.  

Ms. Bosco also devotes a significant amount of time to bid protests before the General Accountability Office (GAO), the U.S. Court of Federal Claims and U.S. Court of Appeals for the Federal Circuit. Ms. Bosco has led the response and defense of complex concurrent agency and congressional investigations. She has also advised clients in investigations involving Inspectors General and the U.S. Department of Justice with respect to the False Claims Act, other fraud investigations and whistleblower actions. She has handled voluntary disclosures for clients, and responded to government audits, including those by the Defense Contract Audit Agency, for both contractors and grant recipients. She represents numerous nonprofit organizations receiving federal grant money.

Beyond her law practice, Ms. Bosco regularly writes and speaks on a range of cybersecurity and other issues.

Ms. Bosco's representative matters include the following:

  • successfully represented a major contingency operations support company in responding to a whistleblower action, resulting in the agency praising the company's cooperation with the agency investigation
  • handled dozens of due diligence reviews for government contractors in a variety of industries, including defense, information technology, professional services and manufacturing
  • obtained agency corrective action in several bid protests in the federal leasing space
  • performed an audit of a large multinational company's compliance programs for its federal business and continued supporting the company by drafting policies and providing compliance advice
  • successfully defended a contingency operations support contractor in a multiprong investigation, including the Defense Criminal Investigative Service, Congress, and suspension and debarment officials
  • assisted a nonprofit organization in an internal investigation and disclosure of regulatory issues without further action by the agency
  • successfully defended researchers against debarment proceedings relating to allegations of mischarging in connection with a government-funded program

Representative Experience


  • The George Washington University, J.D.
  • Yale University, B.A., cum laude
Bar Admissions/Licenses
  • District of Columbia
Court Admissions
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Court of Appeals for the Eighth Circuit
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. District Court for the District of Wyoming
  • U.S. District Court for the Eastern District of Arkansas
  • U.S. District Court for the Southern District of Texas
  • U.S. Supreme Court
  • American Bar Association, Section of Public Contract Law
  • American Bar Association, Section of Public Contract Law Section, Cybersecurity and Privacy Subcommittee, Co-Chair
  • Women's E-Learning for Leadership Program, Advisory Board Member
Honors & Awards
  • Holland & Knight Pro Bono All-Star, 2020
  • Washington Super Lawyers magazine, Government, 2013, 2014


Speaking Engagements