Sustainable success stories

Sustainable success stories

We are a trusted legal advisor in mergers and acquisitions, disputes and other specialised fields of business law. Our mission is to help our clients build sustainable success stories.

06.02.2026 – Environment, Energy & Green Transition
Electricity sector Profit Tax Act in conflict with EU law – SAC denied leave to appeal
02.02.2026
Rami Laatsalo joins Castrén & Snellman as new Partner in the firm’s Real Estate Investments & Transactions service
30.01.2026 – Intellectual Property
WTR 1000: gold rankings for Castrén & Snellman’s Intellectual Property team

Latest references

Metsäkonepalvelu – Acquisition of PJP Metsäexpertit
We advised Metsäkonepalvelu Oy in its acquisition of the entire share capital of PJP Metsäexpertit Oy. PJP Metsäexpertit is a Pirkanmaa-based company specialising in forest management and logging. The acquisition will strengthen Metsäkonepalvelu’s operations, particularly in the Pirkanmaa region, and expand its operations. Metsäkonepalvelu is a portfolio company of A. Ahlström Oy, a Finnish family-owned industrial owner. Metsäkonepalvelu provides mechanical timber harvesting services to forest companies, large private forest owners, and the public sector in Finland and Sweden. Metsäkonepalvelu Group employs nearly two hundred forestry professionals.
Case published 6.2.2026
EcoUp – Directed share issue
We acted as legal adviser to EcoUp Oyj in a directed share issue, through which EcoUp raised a total of approximately EUR 3 million in gross proceeds to strengthen the company’s capital structure and finance its growth. The share issue was directed to a limited group of domestic investors, deviating from the shareholders’ pre-emptive subscription right. EcoUp’s shares are traded on the First North Growth Market Finland marketplace maintained by Nasdaq Helsinki.  EcoUp promotes the green transition of the construction industry by producing carbon-neutral, energy-efficient and circular economy-based materials, services and technologies that help construction industry players reduce their environmental impact. The company has over 40 years of experience in developing and delivering circular economy solutions to customers.
Case published 29.1.2026
Brookfield – EUR 1 billion holdco financing for DayOne Data Centers
We advised a leading global investment firm Brookfield, alongside a global sovereign wealth investor, on the Finnish law aspects of a EUR 1 billion holdco financing for DayOne Data Centers, a Singapore-headquartered developer and operator of hyperscale data centres. Structured as a seven-year secured holdco financing facility of €500 million, expandable to €1 billion – and secured by DayOne’s Finland platform – the financing will support the rollout of hyperscale developments in Lahti and Kouvola, providing nearly 300MW of planned capacity across Finland. The proceeds will also support DayOne’s global expansion across the EU and APAC, with flexibility to allocate to other key growth markets as required.
Case published 29.1.2026
OP Corporate Bank and SEB – EUR 200 million financing of Sello Shopping Centre
We advised OP Corporate Bank and Skandinaviska Enskilda Banken (SEB) in the EUR 200 million financing of Sello Shopping Centre, one of the Nordic countries’ largest and most diverse shopping centres. The shopping centre is owned by Finnish pension insurance companies Keva, Elo and Ilmarinen. Sello is a pioneer in sustainable development, featuring an intelligent energy system and 2,300 solar panels. The shopping centre holds the highest LEED Platinum environmental certification, becoming the first shopping centre in Europe to achieve this distinction. Sello has demonstrated outstanding operational performance throughout 2025, achieving record visitor numbers and sales figures. 
Case published 29.1.2026
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Client feedback

For several years, our clients have named us one of the top law firms in Finland. We stand out for our straight-forward way of working, our true collaboration across teams and our long tradition of exceeding expectations.

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

Latest insights

Article published 6.2.2026 – Tax & Structuring Electricity sector Profit Tax Act in conflict with EU law – SAC denied leave to appeal Article published 14.1.2026 – Tax & Structuring VAT deductions for private equity investors under the microscope Article published 16.12.2025 – Environment, Energy & Green Transition Parliament approves substantial increases in tax on mined minerals Article published 11.12.2025 – Venture Capital & Minority Investments SAFE financing explained: Why it’s complicated under Finnish law
Insights

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

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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