

Qualified in England & Wales (UK), 2007
Partner for 4 years
Corporate M&A
Private Equity
Keir MacLennan is a corporate partner at Kirkland & Ellis International LLP, based in their London office. He specializes in advising private equity clients on mergers and acquisitions, carve-outs, take-privates, and exits across various sectors. Keir has extensive experience in the legal field, having previously worked as a partner at Freshfields in London. His notable achievements include being featured in Legal Week’s “40 Under 40: The Rising Stars in Private Equity” in 2019. Keir's practice areas include Corporate M&A and Private Equity, and he has been involved in significant transactions for high-profile clients.
Private Equity Transactions
Mergers & Acquisitions
Corporate Transactions
Strategic Partnerships and Joint Ventures

- Warburg Pincus acquired the target/assets from Health Partners in a acquisition on not available. - Deal value was 2400000000 Sector: Healthcare; Location: UK. - On the acquirer side, not available advised, led by Dan Clarke, Keir MacLennan, Adrian Maguire, Jiri Peterka, George Rawlinson, Nikhil Mohindra, Max Collins, George Rix, Mavnick Nerwal, Michael Akpomiemie, Chloe Rowan, Andre Duminy, Joanna Thomson, Corina Demeter-Olive, Noemie Broussoux-Coutard, Rhys Davies, Lucia Soley Saborio.
Oct 07 2025
2B
Private Equity

Partner
2022 – Unknown

Partner
2019 – 2021
Senior associate
2017 – 2019

- Hellman & Friedman acquired the target/assets from Mehilainen in a Private Equity transaction on not available. - Deal value was 2100000000 Sector: Healthcare; Location: Europe. - On the acquirer side, not available advised, led by Keir MacLennan, David Higgins, Jeremy Wilkins, Jiri Peterka, Melissa Sawyer, Nikhil Mohindra, Oliver Weighill, Edward Mort, Kirsteen Nicol, Emma Shi, Peter Abbott, Hugo Coleman, Alexandria Solomou, Thomas Wilson, Samantha Jones, James Donald, Loukia Kopitsa, Emma Flett, Ben Zeris, Shareen Dhillon.
Apr 02 2025
2B
Private Equity
Legal Practice Course, Nottingham Law School
2005
LL.B. Hons, University of Bristol
2004