What's Happening?
Sullivan & Cromwell is bolstering its global Mergers & Acquisitions (M&A) practice by adding David Avery-Gee and Sarah Flaherty as partners in its London office. This strategic expansion aims to enhance the firm's capabilities across U.K., European, and cross-border
M&A transactions. David Avery-Gee will assume the role of Co-Head of Sullivan & Cromwell’s European M&A practice, working alongside Paris-based Olivier de Vilmorin. His expertise covers a broad spectrum of M&A activities, including public and private M&A, cross-border deals, joint ventures, public takeovers, distressed M&A, corporate restructurings, and strategic advice for listed company boards. Sarah Flaherty specializes in international public and private M&A, corporate restructurings, joint ventures, and equity offerings. She brings particular experience in natural resources, consumer, and healthcare sectors, and previously served a two-year secondment as a senior case officer with the U.K. Takeover Panel, providing her with specialized knowledge of the Takeover Code. These hires are part of Sullivan & Cromwell's ongoing expansion of its London office and aim to strengthen its connections with European practices in Paris, Frankfurt, and Brussels, as well as its U.S. securities and regulatory capabilities.
Why It's Important?
This expansion by Sullivan & Cromwell is highly significant for the U.S. and global legal and business landscapes. By strengthening its London M&A team, the firm enhances its ability to advise U.S. corporations on complex cross-border transactions involving the U.K. and Europe. This is crucial for U.S. companies engaged in international mergers, acquisitions, and investments, particularly in sectors like energy, natural resources, infrastructure, digital infrastructure, financial institutions, and insurance. The addition of partners with deep expertise in U.K. and European M&A regulations, such as the Takeover Code, provides U.S. clients with critical guidance in navigating diverse legal frameworks. This move also reflects the increasing globalization of M&A activity, where U.S. firms need robust international capabilities to serve their multinational clients effectively. The firm's global M&A lawyers have advised on over $2.8 trillion in transactions over the past five years, indicating the substantial impact of their work on the global economy. This strategic growth positions Sullivan & Cromwell to capture a larger share of the transatlantic M&A market, benefiting U.S. businesses seeking international growth or divestment opportunities.
What's Next?
With the integration of David Avery-Gee and Sarah Flaherty, Sullivan & Cromwell's London office is poised to handle an increased volume and complexity of M&A transactions. The firm will likely leverage their expertise to expand its client base, particularly among U.S. companies looking to engage in M&A activities in the U.K. and Europe. This could lead to more cross-border deals, joint ventures, and corporate restructurings involving U.S. entities. The enhanced capabilities in sectors like natural resources and financial services will enable the firm to provide more specialized advice to U.S. clients operating in these areas. Furthermore, the strengthening of links between the London office and its European and U.S. counterparts suggests a more integrated global service offering, allowing for seamless legal support across multiple jurisdictions. Competitors in the global M&A legal market will likely observe Sullivan & Cromwell's strategic moves, potentially leading to similar expansions or adjustments in their own international M&A practices to remain competitive.
Beyond the Headlines
The expansion of Sullivan & Cromwell's M&A practice in London reflects a broader trend of legal firms adapting to the evolving global economic landscape. As U.S. and international businesses increasingly engage in complex cross-border transactions, the demand for sophisticated legal counsel with deep jurisdictional knowledge grows. This move highlights the strategic importance of London as a global financial hub and a gateway for U.S. firms into European markets, despite geopolitical shifts like Brexit. The focus on critical sectors such as energy, natural resources, and digital infrastructure also underscores the strategic priorities of global capital, driven by energy transition, technological advancement, and supply chain resilience. Ethically, the firm's role in advising on large-scale M&A transactions carries significant responsibility, influencing market competition, employment, and corporate governance across borders. This expansion also signifies the ongoing competition among elite law firms to attract top talent and maintain their leadership positions in high-value legal services, ultimately shaping the legal infrastructure that underpins global commerce.













