Jan Ollila
Partner
Jan Ollila brings broad litigation expertise, offering strategic counsel in M&A-related proceedings.
– The Legal 500 EMEA 2025, Commercial, Corporate and M&A
Long-standing experience advising private equity houses and investment firms on M&A transactions.
– Chambers Europe 2025, Corporate/M&A
A well regarded lawyer with vast experience advising corporate clients, financial institutions and private equity funds on an array of cross-border transactions and disputes.
– Who's Who Legal 2023, Thought Leaders M&A and Governance
One of the best lawyer I've had the chance to work with.
– IFLR1000 2023, Financial and corporate
Listens to the client and makes sure he understands their needs.
– Chambers Global & Europe 2021, Corporate/M&A
Jan Ollila is a seasoned and stable advisor, smooth and strong in equal measure. An excellent advisor when the going gets tough.
– The Legal 500 EMEA 2020, Commercial, corporate and M&A
Very straightforward and has a no-nonsense attitude.
– Chambers Global & Europe 2020, Corporate/M&A
Jan' s tactical view is one of the best seen.
– Client Choice Awards 2020, a Client Choice winner in Arbitration & ADR category in Finland
Jan Ollila advises corporate clients, private equity houses and financial institutions on public and private M&A and capital markets transactions and on transaction related disputes. He renders strategic advice to Finnish private and listed companies as well as to a number of international companies with operations in Finland. He also acts as arbitrator and mediator in domestic and cross-border commercial disputes.
Jan Ollila is an experienced chairman of boards and general meetings. He is a board member and chairman of a number of companies and organisations, including Amcham Finland, as well as the Vice Chairman of the Supervisory Board of WWF Finland. He is the former President of the Association Européenne d’Etudes Juridiques et Fiscales.
He was the Managing Partner of the firm in 2007–2014 and Senior Partner 2015–2022.
Jan Ollila has been ranked by Euromoney’s Expert Guides as one of the 30 best M&A lawyers in the world. He recently headed a working group appointed by the Finnish Securities Market Association preparing a reform of the Helsinki Takeover Code.
University of Helsinki (LL.M., 1992)
Ranked as Senior Statespeople, Corporate/M&A, Chambers Europe and Global, 2025
Ranked as Leading Partner, Commercial, Corporate & M&A, Legal 500, 2025
Ranked Highly regarded in practice area: M&A, and industry sector: Natural Resources, IFLR 1000, 2024
- Finnish Bar Association
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