Over a career of nearly thirty years, he has advised listed clients on bid defence, substantial acquisitions and disposals, equity capital markets transactions and on corporate governance. He has also advised founders of business on partnering with private capital providers and accessing public markets. 
 
George has been ranked as a leading lawyer in Chambers Global, Chambers Europe and Chambers UK for Corporate/M&A: High-End Capability, in which clients describe him as “an effective and hard-working operator who is very focused on client service.” He also has been recognised as a leading individual for high-end M&A and for corporate governance in The Legal 500 UK and for M&A. 
 
George joined the firm as a trainee in 1997, becoming an associate in 1999 and spent nine months on secondment to the legal team of ExxonMobil in 2000. George became a partner of the firm in 2008. In 2019 George joined the London office of Skadden, Arps, Slate, Meagher & Flom as a partner, becoming co-head of the London corporate department. In 2025, George rejoined A&O Shearman as a partner in the London office.