Brett A. Castellat

Brett A. Castellat


Brett A. Castellat represents government contractors on requests for equitable adjustments and in bid protests. He drafts protests before the Government Accountability Office (GAO) and the Small Business Administration (SBA) in disputes involving construction and defense contractors. He also focuses his practice on the representation of employers in a variety of industries regarding Occupational Safety and Health Administration (OSHA) matters. Brett has also assisted in representation involving regulatory compliance under various regulatory frameworks, including the International Traffic in Arms Regulations and the General Data Protection Regulations.


  • International Traffic in Arms Regulations (ITAR)
  • Federal Acquisition Regulation (FAR)
  • Virginia Public Procurement Act
  • Occupational Safety and Health Administration (OSHA)
Read More +



  • Prevailed in October of 2018 on a GAO protest related to a Defense Information Systems Agency’s (DISA) Systems Engineering, Technology and Innovation (SETI) solicitation.
  • Intern, Hon. Robert Humphreys, Court of Appeals of Virginia, 2015

Recognition & Leadership

  • Member, Virginia Maritime Association, 2018
  • Member, Virginia Ship Repair Association, 2017


  • J.D., cum laude, Washington and Lee University School of Law, 2017
    • Member, German Law Journal
  • B.S., magna cum laude, Old Dominion University, 2014
  • Virginia