1.4.2026

New promotions at Castrén & Snellman

Our business is to enable our clients’ success and ensure their legal protection. We stand committed by our customers’ side, helping them build a lasting advantage. To acknowledge their distinguished work towards our clients’ success, we promote nine of our experts to new roles.

We promote Anu Aaltonen as senior counsel and Freja Väyrynen and Lauri Ylönen as counsel. In addition, we promote four senior associate lawyers and two Business Services specialists. The promotions take effect today, 1 April 2026.

Anu Aaltonen, senior counsel, Competition & Procurement

Anu Aaltonen is an experienced competition law specialist with expertise spanning the entire field. She provides our clients with comprehensive and practical advice on all competition law issues, such as cartel investigations, dominance matters, self-assessments and M&A-related competition matters. 

Her strategic thinking and ability to grasp the big picture have benefitted our clients even in the most challenging competition law matters, which is where her skills are particularly evident. This appointment is a testament to Anu’s strong expertise and her consistent and dedicated work for our clients.

Freja Väyrynen, counsel, Private Equity

Freja Väyrynen is an attorney specialising in private equity and fund-related matters, advising clients across the private equity lifecycle with a strong commercial and client-oriented approach.

She advises our clients on a broad range of assignments, including fund formation, fund investments and secondary transactions. Freja also regularly advises clients on private equity transactions.

Lauri Ylönen, counsel, Real Estate Investments & Transactions

Attorney Lauri Ylönen advises our clients broadly in both domestic and international real estate transactions as well as in other projects and arrangements related to real estate.

In addition to his work with real estate matters, Lauri is specialised in environmental law and has long‑standing experience in environmental law assignments.

New senior associates

Jonas Holm, Environment, Energy & Green Transition

Lotta Huhtamäki, Competition & Procurement

Juhana Hyytinen, Banking & Finance

Vilma Setälä, International Construction & Projects

Appointments in Business Services

Laura Pesonen, Legal Project Manager

Jonna Vainikainen, Data & Process Manager

Warm congratulations on your new roles, Anu, Freja, Lauri, Jonas, Lotta, Juhana, Vilma, Laura and Jonna!

Latest references

We acted as legal adviser to Banyan Software on its acquisition of Carus Ferry, a Finland-based provider of reservation, check-in and port operations software for ferry and passenger shipping operators. The acquisition further strengthens Banyan Software’s presence in the Nordic region while providing Carus with a long-term partner to support its continued growth and development. Carus was founded in 1998 and is headquartered in Mariehamn on the Åland Islands, Finland. The company develops mission-critical software for ferry, cruise and passenger shipping operators, covering the full passenger journey from booking and ticketing to capacity management, check-in and boarding. Carus also provides port automation, onboard sales systems and business information tools. The company serves approximately 30 operators across four continents and is the largest vendor by customer count in ferry reservation and departure control. Banyan Software is an acquirer and long-term operator of mission-critical software businesses serving specialised industries. Founded in 2016, Banyan follows a buy-and-hold-for-life approach and supports the long-term growth and development of its portfolio companies. Banyan operates more than 130 portfolio companies across North and South America, the United Kingdom, Europe and APAC. Following the acquisition of Carus, Banyan operates three businesses in the Nordic region.
Case published 20.10.2026
We advised Move Energy as an investor in connection with the combination of 3North Partners Plc and Steady Energy Oy and the related private placement and initial public offering of the combined company on Nasdaq First North Growth Market Finland. In connection with the transaction, 3North Partners received approximately EUR 69.8 million in investor commitments from a group of institutional and other investors, including Move Energy, to fund the combined company. Steady Energy is a Finnish nuclear technology company developing a new generation of small modular reactors (SMRs) particularly suited for district heating. Its LDR-50 reactor is designed to provide cities and utilities with a scalable and low-carbon alternative to combustion-based heat production.
Case published 19.10.2026
We advised Efima Oyj on the sale of its AI business to Better Care Technologies Oy. The transaction included Efima’s Moiva AI platform developed for the care sector, the related technology and brand, customer contracts, and the experts working in the business. 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 21.9.2026
We advised Neoen Renewables Finland Oy, part of the French Neoen Group, in its sale of a data centre project to a consortium consisting of international data centre developers and operators. This marked Neoen’s first data centre development project in Finland. Founded in 2008, Neoen is one of the world’s leading independent renewable energy producers. The company operates in 15 countries. It develops, finances, builds, owns, and operates solar power plants, wind farms, and battery storage systems. Neoen Group is owned by global alternative asset manager Brookfield Corporation.
Case published 17.9.2026