A&O Shearman is an elite transatlantic firm formed in May 2024 from the merger of Allen & Overy and Shearman & Sterling. The firm advises on high-end banking, capital markets and corporate/M&A mandates, leveraging an integrated UK–US platform. Denise Gibson serves as the firm’s first UK Managing Partner and is supported by standout practitioners including Robin Harvey, Annette Kurdian and Greg Brown.

The firm is recognised as a global market leader in equity and debt capital markets, with one of the deepest and most experienced finance benches in London. The London team is particularly noted for its expertise in IPOs, rights issues and high-yield and investment-grade bond offerings. A&O Shearman is consistently at the forefront of innovation in capital markets, with standout strength in MTN programmes, high-yield financings and ESG-linked products, and a long track record of advising on market-defining transactions across EMEA.