LAWYER PROFILE
Amy Laderberg O'Sullivan

Amy Laderberg O'Sullivan

USA 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 2 practice areas

About

Provided by Crowell & Moring LLP

USA

Practice Areas

Amy Laderberg O’Sullivan represents corporate clients in bid protests (agency level, GAO, Court of Federal Claims, FAA’s Office of Dispute Resolution for Acquisition, and the Court of Appeals for the Federal Circuit), protests before the Small Business Administration, Defense Base Act claims litigation, and prime-sub disputes in federal and state courts. Amy’s counseling practice ranges from day-to-day survival decisions facing small businesses to complex legal questions from large defense contractors. She regularly works with unique issues confronting small businesses as well as those arising in connection with teaming and contracting with small businesses, including navigating the SBA’s regulations and most recently the Paycheck Protection Program loan requirements. She has also participated in varying roles in civil and criminal investigations involving SBA requirements.

Professional Memberships

Acritas Star, Acritas Stars Independently Rated Lawyers

Fellow of the American Bar Foundation

Personal

College of William & Mary Marshall Wythe School of Law, J.D. 1999; Williams College, B.A. 1996

Clerk for the Honorable Jerome B. Friedman, United States District Judge for the Eastern District of Virginia, 1999-2000

Contributing Editor for Government Contract Bid Protests: A Practical and Procedural Guide (Thomson Reuters)

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Government Contracts: Bid Protests - USA - Nationwide

Band 1
Band 1

Individual Editorial

Amy Laderberg O'Sullivan's particular areas of focus include bid protests, which are regularly brought before the GAO and Court of Federal Claims.

Government Contracts - USA - Nationwide

Band 2
Band 2

Individual Editorial

Amy Laderberg O'Sullivan's particular areas of focus include bid protests, which are regularly brought before the GAO and Court of Federal Claims.

Strengths

Provided by Chambers

  • Amy is a fantastic bid protest lawyer. I trust her with my most complex matters.

    Government Contracts: Bid ProtestsChambers Guide to the USA
  • Amy is very creative. I can have great confidence that all angles are covered by her.

    Government Contracts: Bid ProtestsChambers Guide to the USA
  • Amy is our go-to individual.

    Government Contracts: Bid ProtestsChambers Guide to the USA

Ranked Individuals at Crowell & Moring LLP (93)

California

Colorado

District of Columbia

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership