Your Advantage

Your Advantage

We are a trusted legal advisor in mergers and acquisitions, disputes and other specialised fields of business law. We combine top-tier legal expertise, strategic business savvy and technology to give you a competitive edge.

Latest references

castren snellman general atlantic iceye
We advised General Atlantic as the lead investor on ICEYE’s EUR 1 billion series F funding round, valuing the company at over EUR 10 billion. ICEYE raised EUR 450 million (USD 520 million) in a primary Series F funding round led by General Atlantic. Additional investors included Solidium, Tesi, Varma, Ilmarinen, Lifeline Ventures, Nokia, Qatar Investment Authority (QIA) and TCV. Together with a secondary placement, the total fundraising exceeds EUR 1 billion. ICEYE is the world leader in sovereign intelligence from space, providing continuous monitoring capabilities to detect and respond to changes in any location on Earth. The company operates the world’s largest and most advanced Synthetic Aperture Radar satellite constellation. General Atlantic is a leading global investor with more than four and a half decades of experience providing capital and strategic support for over 885 companies throughout its history. As of March 31, 2026, General Atlantic manages approximately USD 126 billion in assets across its investment strategies. We advised General Atlantic on this transaction in collaboration with the international law firm Paul, Weiss, Rifkind, Wharton & Garrison.
Case published 9.6.2026
We advised Oomi Solar Oy on the sale of a solar power park and battery energy storage project to Tuulipolar Oy. The transaction concerned a 24 MWp solar power plant and a 36 MW / 70 MWh battery energy storage system (BESS) to be constructed in Tornio. Tuulipolar Oy will act as the owner and operator of the plant, while Oomi Solar Oy will be responsible for its design and construction. The project will form the world’s northernmost industrial hybrid power plant, contributing to Finland’s green energy transition by increasing renewable energy production and electricity storage capacity in Northern Finland. The hybrid solution enables optimization of production as well as active participation in electricity markets and reserve services, improving the project’s profitability and supporting the balance of the electricity system year-round. Electricity production from the hybrid plant is expected to begin in 2028. Oomi Solar Oy is a Finnish renewable energy expert with experience from nearly 200 MW of installed solar capacity. The company helps businesses and communities accelerate the green transition by offering comprehensive solutions, including solar power plants, energy storage systems, and related lifecycle services from project development to maintenance. Oomi Solar Oy employs more than 20 energy professionals and delivers solar power projects across Finland. The company’s vision is to be Finland’s most desired partner for solar energy and energy solutions.
Case published 5.6.2026
United Bankers – Sale of three care properties
We advised United Bankers on the sale of three care properties to Kinland AS. The buildings were completed between 2021 and 2022 and meet high technical and environmental standards. All three properties are fully leased. The portfolio has a weighted average unexpired lease term of 13 years.
Case published 1.6.2026
Hiab acquisition financing
We are advising Hiab Corporation in the financing for its USD 1,035 million acquisition of Labrie Environmental Group, a leading North American refuse collection vehicle (“RCV”) manufacturer, from Wynnchurch Capital, L.P. Hiab Corporation (Nasdaq Helsinki: HIAB) is a leading provider of smart and sustainable on-road load handling solutions, with 2025 sales of approximately EUR 1.6 billion and approximately 4,000 employees, operating through a global network spanning over 100 countries. Labrie Group is a leading North American provider of RCVs, employing approximately 1,200 people. 
Case published 1.6.2026

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Business oriented, quick solutions, know the company well, thinking ahead.

IFLR1000, M&A

The dispute resolution team at Castrén & Snellman are highly qualified and skilled, and able to handle complex matters while also taking into account the strategic and business aspects

Chambers Global, Dispute Resolution

Castrén & Snellman provides pragmatic legal advice without taking any shortcuts. The lawyers are extremely knowledgeable within their legal fields, about the different practice areas and about the Finnish and Nordic market.

Chambers Global, M&A

I highly appreciate their solution oriented approach and readiness to discuss not only about legal matters per se but also deal tactics and negotiation points from our viewpoint, and also how things might look at the opposite side of the table.

The Legal 500, M&A

Impressive depth and width of services. Top class energy team, very strong in environmental law. Very responsive, understands customer point of view.

IFLR1000, Project Development

C&S has handled many of the biggest real estate transactions in Finland during the past few years. The quality of the work is impeccable.

The Legal 500, Real Estate

Castrén & Snellman’s team provides a timely service with a flexible, can-do attitude. They are capable of handling complex assignments, and facilitate and drive processes in a comprehensive way.

Chambers Europe, TMT

About us

Decades of supporting our clients’ success have enabled us to grow into a leading law firm of 300 people. We are the forerunners of demanding legal services in mergers and acquisitions, dispute resolution and the full scope of business law. We are based in Helsinki, Finland.

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Sustainability is a goal that we share with our clients. We help our clients succeed in the rapidly changing regulatory framework of ESG and integrate our sustainability knowhow across our full-service offering.

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