For more than 135 years, Castrén & Snellman has helped shape the Finnish business landscape. We are proud of that legacy – of the clients we have supported, the transactions we have enabled, and the legal standards we have helped define.
Building on that strong foundation, our partners came together to look ahead, understand how the market is evolving, and sharpen our focus on creating even greater impact and value for our clients.
Two things guided our work above all else. First, our clients expect strategic support and solutions that advance their business objectives. Second, AI is reshaping the legal profession, creating real opportunities for those willing to move boldly. Our strategy is our answer to both.
Partner and Chair of the Board Anders Forss says.
Backed by a strong full-service platform and leading legal expertise in relevant areas, we have a unique advantage in transactions. With the ambition to be even stronger, we are now sharpening our focus and accelerating the development of our transactional services.
Managing Partner Jarno Tanhuanpää emphasises the importance of acting as a proactive, solution-oriented partner that genuinely understands the clients’ business:
We are placing the client at the centre of everything. In transactions, our clients benefit from a seamless one-team experience, where our best experts across practices work together to deliver the strongest possible outcome for our clients. And we are leading the way in AI – driven not by the technology itself, but because it generates real, tangible value for the people and companies we serve.
All of this has to translate into a lasting advantage for our clients. That is the measure we hold ourselves to.
Our vision for 2030 is clear: to be the most client‑centric law firm in the Nordic region, combining a powerful full-service platform with leading expertise in transactions. We have the expertise, the spirit and the determination to get there.
The future belongs to those who are prepared. Our commitment is to make sure our clients always are.
We are Your Advantage.
Latest news
Latest references
Shareholders – Sale of the Suomen Autohuolto Group
We advised the shareholders of Suomen Autohuolto Oy in connection with the sale of the company’s entire share capital, to SAKA Finland Group Oy. Suomen Autohuolto Group is one of Finland’s largest companies specializing in brand-specific automotive maintenance and has locations in Oulu, Tampere, and from July, also in Järvenpää. The transaction is subject to final approval by the Finnish Competition and Consumer Authority (KKV).
Case published 26.6.2026
Natural Resources Institute Finland – AI training
We delivered two tailor-made AI workshops for the lawyers at the Natural Resources Institute Finland (Luke). We discussed the AI revolution and its impact on lawyers’ ways of thinking and working, and left the participants with practical solutions for enhancing and streamlining their work with Legora. Our AI-specialist lawyers prepared use cases tailored to Luke and the needs of public administration, which Luke received for its own use following the workshops. These use cases covered topics such as: utilising legal sources and the organisation’s own data to maximise AI results building and leveraging AI workflows AI-enhanced contract drafting based on a large volume of documents. The workshops sparked wide-ranging discussion on the role and benefits of AI in legal work. Participants appreciated how clearly and comprehensively our experts were able to present the nature and benefits of AI specifically within a legal context. ‘The workshops provided excellent support for Luke’s goal of leveraging AI responsibly and gave us concrete and ready-to-use practical takeaways,’ says Hannu Laitinen, Luke’s Senior Vice President, Administrative Affairs.
Case published 26.6.2026
Finnish Construction Management Consultancy — District Court Dismisses charge in occupational safety offence case concerning a safety coordinator
We successfully represented a Finnish construction management consultancy and a safety coordinator employed by the company in criminal proceedings concerning an alleged occupational safety and health offence. The prosecutor sought a penalty for an alleged breach of occupational safety regulations. The charge arose from a fall accident at a construction site where our client acted as the safety coordinator appointed by the developer. We assessed the scope of the safety coordinator’s duties in relation to the responsibilities of the main contractor, as well as how our client had fulfilled their obligations in practice. We demonstrated that our client had acted with due care and in full compliance with their duties throughout the planning, preparation and execution of the construction project. The District Court of Eastern Uusimaa dismissed the charge against our client. The Court held that our client, in their capacity as safety coordinator, had duly fulfilled the occupational safety obligations incumbent on the developer during the planning and preparation phases of the construction project and had not been aware of the fall protection deficiency identified at the site. The judgment is final insofar as our client is concerned.
Case published 22.6.2026
Efima – Sale of financial management services business
We advised Efima Oyj on the sale of its financial management services business to Rantalainen as part of its strategic focus on fully concentrating on the delivery of business applications as well as data and AI solutions. As a result of the transaction, customer contracts related to financial management services and 65 experts working in these services will transfer to Rantalainen. The transaction will be carried out as a transfer of business, and the experts will move to the new owner as existing employees. Efima is a Finnish digital company that supports the sustainable growth of large and mid-sized companies by streamlining their business processes and by creating competitive advantage through the innovative use of artificial intelligence and data. The company has nearly 200 experts based in Helsinki and Tampere.
Case published 12.6.2026