LAWYER PROFILE

Dan Tierney

UK 2026

Cleary Gottlieb Steen & Hamilton LLP

Ranked in 1 practice area

Corporate/M&A: £800 million and above

London (Firms)

3 years ranked

About

Provided by Cleary Gottlieb Steen & Hamilton LLP

Practice Areas

Dan has a broad M&A and corporate finance practice, with a focus on transactions involving UK and European public companies.

He advises on public and private M&A and capital markets transactions for a range of corporate, private capital, and investment banking clients. He also advises on shareholder activism and corporate governance, reporting, disclosure, and ESG-related matters.

Career

Dan joined the firm in 2014 and became a partner in 2024. He previously spent a year in the firm’s Brussels office practicing EU antitrust law.

Professional Memberships

England and Wales

Chambers Review

Provided by Chambers

Chambers Guide to the Legal Profession

Corporate/M&A: £800 million and above - London (Firms)

Up and Coming

Individual Editorial

Dan Tierney takes on a prominent role within the firm's corporate practice, advising on public and private M&A. He frequently works on international deals, including handling the UK components of large transatlantic transactions.

Learn more about this team View ranking table

Strengths

Provided by Chambers

Dan is excellent and a rising star. His understanding of the law is supremely helpful.
Corporate/M&A: £800 million and aboveChambers Guide to the Legal Profession
Dan is an extremely sharp lawyer and his legal advice is very commercial.
Corporate/M&A: £800 million and aboveChambers Guide to the Legal Profession
Dan is a phenomenal lawyer and he understands all the details of the UK legal system.
Corporate/M&A: £800 million and aboveChambers Guide to the Legal Profession