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Clients turn to Sidley for our leadership in addressing the array of regulatory, policy, and compliance challenges that arise in conducting business across borders. Our lawyers work together across the firm’s global network of 21 offices — located in leading financial centers in Asia, Europe, and the United States — to provide targeted legal guidance in regulatory investigations, compliance, and enforcement proceedings. Our deep bench and cross-border coordination allow us to be nimble, staffing up our teams to handle any size matter at a moment’s notice, anywhere in the world.

Ranked by Chambers Global for International and Cross-Border Work in Energy, Finance and Capital Markets, Investigations and Enforcement, Investment Funds and Asset Management, Life Sciences and Pharmaceutical, and Technology

The firm possesses an in-depth understanding of local laws across jurisdictions, allowing us to seamlessly guide clients through the political and procedural landscape in which policy and regulation are made. Our cross-border team features 100+ lawyers who have held senior positions within key regulatory agencies globally, providing our clients with an invaluable insider’s perspective as they navigate industry changes, technological advances, market demands, and policy hurdles.

We also understand the complexities a regulated company faces when undertaking a cross-border transaction. Our global platform comprises multidisciplinary practices dedicated to serving companies that operate across a wide range of industries. Leveraging our substantive subject-matter resources, experience in the formation of law and public policy, and deep regulatory knowledge, we counsel and defend clients in all aspects of their global business.


Select representations of our cross-border experience include the following.

  • Represented an American multinational information technology company in a U.S. Securities and Exchange Commission investigation focused on disclosure issues regarding channel inventory and sales promotion practices.
  • Representing Deloitte Global in a U.S. Securities and Exchange Commission investigation, settlement, and remedial efforts undertaken by Deloitte Touche Tohmatsu. Deloitte-China was cited for failing to comply with fundamental U.S. auditing requirements in its component audits of U.S. issuers and its audits of foreign companies listed on U.S. exchanges.
  • Advised Herbalife, one of the world’s largest dietary supplement companies, in the resolution of investigations by the U.S. Department of Justice and the U.S. Securities and Exchange Commission regarding potential FCPA violations. The DOJ and the SEC announced the criminal and civil settlements in August 2020. Herbalife entered into a three-year deferred prosecution agreement with the DOJ that did not require a monitor.
  • Represented the audit committee of the board of directors of a public company in wide-ranging FCPA investigations spanning several jurisdictions in Latin America, including Brazil, Mexico, Argentina, and Chile, as well as South Korea and Romania.
  • Represented Lars Mørch, former Danske Bank executive board member and former head of International Banking of Danske Bank, in connection with the largest money laundering case by value of sums laundered (US$230 billion). The high-profile investigation was initiated by financial journalists, led to the resignation of the chairman and chief executive officer of the bank, and continues to be heavily covered by the media.
  • The U.S. Department of Justice, the U.S. Securities and Exchange Commission, and United Kingdom, Danish, and Estonian prosecutors are conducting the extensive investigation into Russian and Azerbaijani laundromats who allegedly misused Danske Bank’s Estonian branch to launder more than US$230 billion of assets from criminal activities derived from Russia and Central Asia.
  • Represented the CEO of a Chinese company in connection with the settlement, announced September 2022, of a multi-year U.S. Securities and Exchange Commission Enforcement investigation concerning insider trading pursuant to a 10b5-1 plan. In this instance, the SEC narrowed its focus to a limited set of trades, and there was no officer and director bar.
  • Represented Tupperware in a U.S. Securities and Exchange Commission investigation and negotiated settlement of an enforcement matter concerning failure to maintain accounting books and records by a now-divested Mexican-based subsidiary, House of Fuller, during the period 2016 through 2020.


Sidley is widely recognized by clients and peers alike as first-in-class for its cross-border capabilities, garnering top rankings and awards around the world.

Chambers Global 2023
USA – Life Sciences & Pharmaceutical Sector (International & Cross-Border) – Band 2
Singapore – International & Cross-Border Capabilities (International Firms) – Band 3

Chambers Crisis & Risk Management 2023
Environmental, Social, and Governance Risk, Global-wide – Band 4

Chambers FinTech 2023
China – FinTech Legal (International Firms)
London – FinTech Legal
London – FinTech Legal: Payments & Lending
Singapore – FinTech Legal
USA – FinTech Legal – Band 1
USA – FinTech Legal: Blockchain & Cryptocurrencies – Band 1
USA – FinTech Legal: Corporate, Securities & Financing
USA – FinTech Legal: Payments & Lending – Band 1

LMG Life Sciences 2023
Antitrust – Tier 2
FDA Medical Device – Tier 2
FDA Pharmaceutical – Tier 1
Healthcare: Pricing and Reimbursement – Tier 1

China Business Law Journal Awards 2023
Healthcare, Pharma & Life Sciences, Finalist

2023 Global Data Review (GDR) 100
Named among the top 25 “Elite”