
Castrén & Snellman handles all aspects of private equity, venture capital, corporate governance, and complex international transactions, including mergers, acquisitions, and investments, with a strong focus on cross-border matters. The firm has deep experience across various industries, such as energy, technology, transportation, food, renewables, and finance. Jan Örndahl provides strategic counsel to public and private companies, along with private equity sponsors, guiding them through domestic and international acquisitions, divestitures, private equity transactions, and joint ventures, and leads the mergers and acquisitions team with Benjamin Bade. Jarno Tanhuanpää heads up the transaction services and private equity and venture capital practice, while Pauliina Tenhunen leads the corporate governance team.
Testimonials
Collated independently by Legal 500 research team.
- ‘The team was swift to mobilise in a competitive and complex scenario, giving clear and succinct advice.’
- ‘We enjoyed Benjamin Bade's calm manner and professional efficiency throughout the transaction.’
- ‘Castrén & Snellman’s commercial, corporate, and M&A practice stands out for its uniquely integrative approach to client service. Their team combines profound legal expertise with a keen understanding of the commercial landscape, which greatly enhances their ability to handle complex transactions with precision and strategic foresight.’
- ‘The individuals at Castrén & Snellman are distinguished not only by their legal acumen but also by their commitment to client relationships and innovative problem-solving approaches. The partners and associates are characterised by their proactive communication and deep sector-specific knowledge, which enable them to provide tailored advice that anticipates market trends and client needs.’
- ‘The team was quite flexible in terms of working hours, always on time for producing the documents. The partners who are experts in specific subject matters were promptly available to jump into the situation to bring their advice.’
Key clients
- Fortum Corporation
- Zendesk, Inc.
- Purmo Group Plc
- Efecte Plc
- A. Ahlström Corporation
- SANOK RUBBER COMPANY S.A.
- Fortrent Oy
- OP Finland Infrastructure LP
- Andritz AG
- KONE Corporation
- Voisin Consulting Life Sciences
- Cowater International Inc
- Metsä Group
- Prevas Aktiebolag
- Keensight Capital
- Danfoss A/S
- Merieux Equity Partners SAS
- Speechly Ltd
- Finnish Climate Fund
Work highlights
- Assisted Fortum, a Nordic energy company, with a cross-border transaction in which Fortum was selling its recycling and waste business.
- Assisted Zendesk, Inc.’s Finnish legal counsel with the acquisition of Ultimate Enterprises Oy, an industry-leading provider of service automation using AI technology.
- Assisted Efecte Plc, a Finnish software company, with European 24 Bidco Oy’s voluntary public cash tender offer for all outstanding shares and options in Efecte.
Lawyers

Practice head
The lawyer(s) leading their teams.
Jan Örndahl, Benjamin Bade, Jarno Tanhuanpää, Pauliina Tenhunen