King & Spalding's Government Matters team boasts a bench full of sector specialists and former government seniors to provide a deep understanding of the regulatory landscape surrounding issues of national security. Boosted by the 2024 addition of former U.S. DoJ counsel Robert Hur, the practice is capable of assisting across a comprehensive spectrum of matters including national security risks, sensitive investigations and law enforcement engagement. Hur leads the practice alongside Christine Savage, who handles CFIUS, Export Controls and Sanctions matters, and Sumon Dantiki who focuses on sensitive government investigations. Philip Ludvigson is the firm's CFIUS expert. Jamieson Greer is a important member of the team.

Latham & Watkins boasts a comprehensive understanding of the regulatory environment surrounding trade compliance and government-facing work. The Washington DC team is more than capable of providing counsel on CFIUS, economic sanctions, export controls, telecommunication regulations, cybersecurity, and government contracts. Les Carnegie is a CFIUS heavyweight whilst Damara Chambers contributes to both CFIUS and FOCI matters. James Barker has multifaceted expertise across emerging technology fields. Matthew Brill represents leaders of the communications industry in complex proceedings. Kyle Jefcoat handles government contracts and Dean Baxtresser represents clients in government litigation and investigations.

Crowell & Moring LLP‘s national security team has become increasingly in demand by clients across various disciplines. The team advises on government-reviewed transactions, government contracting matters, and national security investigations, whilst also boasting a strong cyber security and data privacy team, with Evan Wolff being experienced in leading cyber-attack response processes. Michael Atkinson leads the National Security division alongside Caroline Brown and Adelicia Cliffe, all of whom are based in Washington DC. David (Dj) Wolff is the team’s sanctions expert. Maria-Alejandra del-Cerro is a key member of the team.

DLA Piper LLP (US)'s National Security and Global Trade group has a broad practice with capabilities across the sanctions, CFIUS, cyber risk, and congressional investigations sectors. Co-head of the team, Christine Daya, based in Washington DC, advises across a range of industries including manufacturing, financial services, insurance, and pharmaceuticals. Nicholas Klein leads alongside Daya and is an expert in export control classifications. Ignacio Sanchez is a sanctions expert. Vanessa Le, who joined the firm in 2024 has become a vital member of the practice as a lead in the Congressional Investigations team.

Hogan Lovells US LLP's National Security practice, based in Washington DC, offers clients a multidisciplinary team with experience across a gamut of legal issues, that has in-depth knowledge of a variety of significant industries. Washington DC managing partner Ajay Kuntamukkala  and Jonathan Stoel co-lead the team, whilst the experienced Beth Peters remains vital. Michael Scheimer is the firm's government contracts expert whilst Stephen Propst has extensive experience advising space and satellite industry clients on US export controls. Brian Curran and Anne Salladin lead the CFIUS branch of the team.

Morrison Foerster‘s National Security bench encompasses subteams that specialize in economic sanctions, CFIUS, government contracts, privacy and data, and cyber-breach response. Practice co-head John Smith, a former OFAC director, focuses on economic sanctions. Brandon Van Grack leads the team alongside Smith and handles investigations, criminal defense, and a range of compliance matters. Charles Capito has a deep knowledge of the CFIUS framework. James Brower, promoted to Partner in 2024, focuses on CFIUS mitigation. Rachel Fiorill is a sanctions expert.

White & Case LLP‘s National Security team boasts a deep bench of former government officials who served in senior positions are various US regulatory agencies. Leveraging this insight, the practice provides counsel to national states and multinational corporations on CFIUS, cybersecurity, compliance strategies, supply chain security, and security clearances. Farhad Jalinous is an authority on CFIUS matters and leads the practice in this area. David Lim, who joined the firm in 2024, advises clients on sanctions, export controls, and national security matters. Melissa Taylormoore is an experienced government contracts attorney and litigator, and is able to advise in matters of supply chain security, compliance with domestic laws, and critical infrastructure protection. Tara Lee is a leading white-collar crime and litigation lawyer.

Baker McKenzie leans into its broad global network by offering a practice that is capable of handling worldwide foreign investment reviews. The team has the capability of representing companies in matters involving CFIUS, sanctions, export controls, and the mitigation of FOCI over government contractors. Rod Hunter (Washington DC) advises international and domestic firms on US foreign investment regulation, specifically regarding CFIUS and FOCI frameworks. Terence Gilroy (New York) advises financial institutions, corporations, and individuals on white-collar crime and sanctions compliance issues. Janet Kim, DC, focuses on economic sanctions and export control laws. Brian Whisler (Washington DC), Cyrus Vance (New York) and Alison Stafford Powell (Palo Alto) are key members of the wider National Security practice.

Mayer Brown‘s National Security team, based in Washington DC, has seen significant growth since 2023, under the leadership of Rajesh De. The practice has broad capabilities, but has a notable strength in cyber-security matters, regularly counseling on compliance, enforcement, and breach response matters for a variety of clients. Adam Hickey focuses his practice on investigations and enforcement actions related to sanctions, export controls, and the FARA. John Sullivan and Mac Bernstein are key team members.

Wiley Rein LLP National Security practice has comprehensive expertise across critical tech sectors such as semiconductor design, telecommunications, energy storage, aerospace, and biotech. The firm is capable of providing various services including supply chain support, cybersecurity guidance, and CFIUS expertise for transactions. Nazak Nikakhtar has vast experience across a multitude of national security issues, and counsels defense-tech start-ups, high-tech joint ventures, and emerging technology manufacturing companies. Megan Brown co-chairs the Privacy, Cyber, and Data Governance Practice, and she advises global clients and associations on new cyber and data governance regulations. Daniel Brooks works closely with the firm’s TMT team on CFIUS and Team Telecom matters. Tessa Capeloto focuses on FOCI mitigation. All named lawyers are based in Washington DC.

Willkie Farr & Gallagher LLP‘s Global Trade and Investment practice, based in Washington DC, provides a broad range of services to clients which include entities operating within the national security and defense sectors. The team is capable of advising on FARA issues, export controls compliance, CFIUS, sanctions compliance, investigations, and litigation. Notably, sanctions specialists and co-chairs of the group, David Mortlock and Britt Mosman have continued to advise the Office of the President of Ukraine on US sanctions laws and export controls against Russia, in response to the Russian invasion of Ukraine. This is exemplary of their expertise, which is regularly exercised through the counsel of clients on potential challenges surrounding their cross-border activity.

Paul, Weiss, Rifkind, Wharton & Garrison LLP's regulatory defense and white collar team advises US and non-US clients on economic sanctions, export controls, and CFIUS matters. The team has been advising clients on issues across various industry sectors including technology, fintech, and health care. John Carlin advises on a range of national security issues including conducting internal investigations. Roberto J. Gonzalez is a go-to advisor for financial institutions and technology companies in high-stakes investigations, and regulatory and compliance matters.

Pillsbury Winthrop Shaw Pittman LLP‘s multidisciplinary National Security team provides a range of clients with the guidance and representation needed to comply with policies, mitigate against challenges, and grow their businesses. The team has experience across a range of practices including CFIUS, supply chain, export controls, customs, and sanctions. Nancy Fischer co-heads the practice, and coordinates the Regulatory Business Unit, which advises corporates on a range of regulations, conducts internal investigations, and defends against enforcement action. Stephan Becker, described by a client as ‘the best trade counsel in business right now’, has a broad range of trade advisory capabilities including export controls, sanctions, and CFIUS. Brian Finch has a deep understanding of cybersecurity issues which allows him to offer clients cyberattacks and ransomware response services. Richard Donoghue, based in New York, represents clients who are facing government investigations. Aaron Hutman is a key member with an intricate knowledge of national security-sensitive issues. All named lawyers are based in Washington DC, unless stated otherwise.

Skadden, Arps, Slate, Meagher & Flom LLP‘s National Security group represents clients in many of the most significant and complex transactions, compliance matters, and government investigations. The firm boasts a CFIUS practice which is integrated with its corporate team, allowing them to counsel clients on structuring transactions that anticipate regulatory concerns. Brooks Allen, Michael Leiter, and Brian Egan are key members of the CFIUS team. Eytan Fisch is a key member of the team's economic sanctions and export controls practice which assists global financial institutions and multinationals on complex compliance and enforcement matters involving US economic sanctions regulations.