Track record: Noted for advising some of the world’s largest tech providers, including cloud-based solutions companies, McDermott Will & Emery also acts for corporations that are heavily reliant on technology; its practice regularly handles complex, high-value IT transactions. Nokia, HCL and Sprint are representative clients, as is Citrix Systems on the cloud side.

Team & differentiation: Though it acts for companies in a wide range of industries, telecoms and healthcare are particular sectors of expertise for the team at McDermott Will & Emery. The three joint practice heads – Jason Krieser, Shawn Helms and David Guedry – are all based in Dallas and regularly handle cross-border work for major blue-chip corporates.