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Sonia Tabriz advises companies that do business with the U.S. government. She has a broad government contracts and national security practice that spans compliance counseling, litigation and investigations.

Sonia counsels clients on the various statutory and regulatory obligations arising from federal contracts and grants. She has particular experience with accounting, cost and pricing, including the Cost Accounting Standards (CAS) and FAR Part 31 cost principles as well as navigating audits and other matters with the Defense Contract Audit Agency (DCAA) and Defense Contract Management Agency (DCMA). Sonia also assists clients with Section 889, cybersecurity, information governance, other transaction authority (OTAs), and suspension and debarment.

Sonia maintains a robust litigation practice, including bid protests at the U.S. Government Accountability Office (GAO) and Court of Federal Claims. Sonia also litigates contract disputes, including developing requests for equitable adjustment (REAs) and claims as well as Contract Disputes Act (CDA) appeals before the Boards of Contract Appeals (ASBCA and CBCA). Sonia has unique experience representing government contractors in federal district court in cases involving commercial disputes, class actions, the False Claims Act and the Administrative Procedure Act.

Sonia also manages internal as well as civil and criminal investigations of alleged misconduct or fraud, and advises on disclosures and strategic engagement with government stakeholders.

Sonia's clients span numerous industries including technology, aerospace and defense, professional services, educational institutions, healthcare, life sciences, and construction. She supports traditional and nontraditional contractors as well as grant recipients, including nonprofit organizations. Across all matters, Sonia is a trusted advisor. She leverages her experience and her deep understanding of each client’s business to develop a nuanced legal analysis and a tailored, practical approach that furthers the company's goals.

Sonia also maintains an active pro bono practice, including complex civil rights litigation and impact litigation relating to immigration, and serves on the firm's Pro Bono Committee.

Sonia graduated from The George Washington University Law School, where she served as Editor-in-Chief of the Public Contract Law Journal, and later rejoined as a Professorial Lecturer in Law and member of the Government Contracts Advisory Council. She is also an active member of the ABA’s Section of Public Contract Law. Sonia has been recognized as a "Rising Star," "Up and Coming," and "One to Watch" in the area of government contracts by legal publications and directories, and routinely speaks and publishes on recent developments and best practices.

Experience

  • Medline in successful protest defense of several delivery orders under the Medical/Surgical Prime Vendor Gen-Z V1 Program for distribution and management of supplies to VA Medical Centers. Owens & Minor Distribution, Inc.; Cardinal Health 200, LLC; Concordance Healthcare Solutions, B-422689 et al., Sept. 16, 2024, 2024 WL 4330019.
  • HomeSafe Alliance in successful protest defense of multi-billion dollar U.S. Transportation Command contract award. Connected Global Solutions LLC et al. v. United States, 162 Fed. Cl. 720 (2022). Following successful protest defense before GAO in Connected Global Solutions LLC, B-418266.10 et al., Mar. 3, 2022, 2022 CPD ¶ 74 and American Roll-On Roll-Off Carrier Group, Inc., B-418266.9 et al., Mar. 3, 2022, 2022 CPD ¶ 72. 
  • Microsoft Corporation in successful protest of contract award by Maryland Procurement Office for cloud computing services. Microsoft Corp., B-420004 et al., Oct. 29, 2021, 2022 CPD ¶ 155.
  • HomeSafe Alliance in successful protest of multi-billion dollar U.S. Transportation Command contract award. HomeSafe Alliance LLC, B-418266.5 et al., Oct. 21, 2020, 2020 CPD ¶ 350.
  • Booz Allen Hamilton in successful protest defense of Department of Veterans Affairs task order for information technology operations and services. Accenture Federal Services LLC; Cognosante MVH, LLC; SRA International, Inc., B-417111.5 et al., Sept. 4, 2019, 2019 CPD ¶ 339.
  • SRA International in successful protest defense of Department of Education task order for information technology products and services. Dell Services Federal Government, Inc., B-414461.6, Oct. 12, 2018, 2018 CPD ¶ 374.
  • Centerra Group in successful protest of guard services task order under FSS by General Services Administration. Centerra Group, Inc. v. United States, 138 Fed. Cl. 407 (2018).
  • Multiple civilian and defense contractors in pre- and post-award protests, including at the agency level and before GAO, and obtaining favorable corrective action.

Recognition

Best Lawyers
"Ones to Watch" Government Relations Practice (Washington, D.C.) (2021-2025)
The Legal 500 US
Government Contracts (2019–2021, 2024)
Chambers USA
"Up and Coming" Government Contracts (Nationwide) (2024)
More

Credentials

Education

  • J.D., The George Washington University Law School
  • B.A., American University, summa cum laude, with University Honors

Admissions

  • District of Columbia
  • Virginia
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Court of Appeals for the Fourth Circuit
  • U.S. Court of Appeals for the Tenth Circuit
  • U.S. Court of Federal Claims
  • U.S. District Court, District of Columbia
  • U.S. District Court, Eastern District of Virginia
  • U.S. District Court, Western District of Virginia
  • U.S. Bankruptcy Court, Eastern District of Virginia

Activities

  • GW Law Government Contracts Advisory Council
  • Vice Chair, Cybersecurity, Data Privacy and Global Technology Committee, D.C. Bar International Law Community
  • Professorial Lecturer in Law, The George Washington University Law School (2017-2022)
  • Law360 Government Contracts Editorial Advisory Board (2022)
  • American Bar Association, Section of Public Contract Law


    Law Council (2024-Present)
    Vice Chair of the Accounting, Cost and Pricing Committee (2023-Present)
    Vice Chair of the Cybersecurity, Privacy and Emerging Technology Committee (2019-2024)
    Program Co-Chair of the Annual Meeting in Denver, CO (2023)
    Procurement Division Co-Chair (2021-2022)
    Law Council, Young Lawyer Member (2019-2021)
    Conference Director (2020-2021)
    Associate Editor, Public Contract Law Journal (2014-2021)
    Co-Chair of the Young Lawyers Committee (2017-2020)
    Program Co-Chair of the Public Procurement Symposium in Louisville, KY (2017)
  • Associate Editor, Boards of Contract Appeals Bar Journal (2014-2017)
Overview