Europe Guide 2026 : UK
Ranked Individual
Provided by Chambers
Sidley Austin boasts notable experience advising clients in the life sciences, technology and financial services sectors on complex M&A transactions. It leverages its strong global offering to counsel on deals across the US and Europe. The firm regularly works with notable corporates and financial investors on significant deals with values most commonly in the hundreds of millions.
Provided by Chambers
Sidley Austin advised William Blair International Limited in connection with the takeover by STG Partners of Gresham Technologies.
Provided by Chambers
Sidley Austin's team is hugely knowledgeable. The people we've worked with have always been extremely responsive, not flustered and practical about strategies, risks and timelines.
Sidley Austin is commercially strategic in its outlook, which adds a lot of value for us. The depth of associates is very good. The team is very available and quick with turnaround.
Provided by Chambers
Thomas Thesing concentrates his practice at Sidley Austin on the representation of corporates and their boards of directors in complex M&A and governance issues. He advises clients from several sectors, including financial services, healthcare and technology. He is managing partner of Sidley Austin's London office and and a member of the firm's management and executive committees.
He is smart, responsive and polite. He is easy to work with and respected.
Corporate/M&A: Mid-Market
Asia-Pacific 2026
Practice area: Corporate/M&A
Location: Asia-Pacific Region
View department profile for Asia-Pacific 2026Global 2026
Practice area: Corporate/M&A
Location: Asia-Pacific Region
View department profile for Global 2026
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