International Construction & Projects

International Construction & Projects

Our team is unique on the Finnish market for being truly dedicated to the core questions of engineering and construction law.

We advise clients in demanding international and domestic projects, e.g. power plants, large infrastructure projects, and the procurement of equipment, machinery and systems.

Due to our experts’ backgrounds in diverse disciplines and industries, you can trust us to quickly understand your key requirements and goals for the project.

Latest references

YIT – Data centre construction agreements with XTX Markets
We advised the urban developer and construction company YIT on the drafting and negotiation of two construction agreements with the leading algorithmic trading firm XTX Markets for the development of two data centres in Kajaani, Finland, which are part of XTX Markets’ data centre complex. The first agreement, valued at approximately EUR 100 million and signed in December 2024, marked the commencement of the construction of the first data centre facility in Kajaani, establishing Kajaani as a strategic hub for high-performance computing infrastructure.  Building on the success of this collaboration, YIT and XTX Markets entered into a second agreement in August 2025 to commence construction of a second data centre facility. This phase includes the delivery of the shell and core of the new building.
Case published 20.11.2025
Oomi  – Expansion into mobile telecommunications
We assisted Oomi Oy in its expansion into the mobile telecommunications market with the launch of Oomi Mobiili, a new MVNO brand. Our work covered the preceding due diligence process as well as structuring and negotiating key partner agreements, laying a solid foundation for Oomi’s entry into the new market. Oomi Mobiili will operate as a virtual mobile network operator, offering customers the option to purchase a mobile subscription together with their electricity contract. The phased launch is set to begin in autumn 2025, with nationwide availability targeted for early 2026. 
Case published 15.8.2025
City of Pori – Sale of 49% stake in Pori Energia to Polhem Infra
Castrén & Snellman is acting as the legal advisor to the City of Pori in its sale of a 49% stake in Pori Energia to Polhem Infra. Pori Energia, a multi-utility company, operates in various sectors including district heating, electricity distribution, and electricity generation through CHP and renewable sources. The company also provides wind power services and industrial energy solutions in the Satakunta region. This strategic partnership between the City of Pori and Polhem Infra aims to enhance Pori Energia’s financial stability and investment capabilities, enabling the company to further its efforts in the energy transition and continue delivering high-quality energy services to its customers. Polhem Infra, owned by Swedish state pension funds, focuses on investments in critical infrastructure, including renewable electricity generation, energy storage, energy distribution, digital infrastructure, and transport infrastructure. The transaction values Pori Energia at EUR 905 million. 
Case published 31.1.2025
Finnish manufacturing company – Arbitration proceedings under the SCC rules
We successfully represented a Finnish manufacturing company in arbitration proceedings under the SCC rules against a global construction company. The dispute was governed by Finnish law and the seat of arbitration was Stockholm, Sweden. The dispute mainly concerned the termination of an erection contract and the right to compensation for delays of the project and for cost increases due to Russia’s invasion of Ukraine. The main questions in dispute were the lawfulness of the termination of the erection contract as well as the consequences of the termination such as the right to costs to complete the project after termination, the right to liquidated damages for delay of the project and adjustment of contract price due to cost increases. The total value of the dispute exceeded EUR 15 million.
Case published 8.1.2025
All cases

Our team

Latest insights

Article published 31.5.2024 – International Construction & Projects Functional electricity infrastructure is the key to attracting investments to Finland
Samuli Tarkiainen
Antti Kaakkola
Jerker Pitkänen

Samuli Tarkiainen, Antti Kaakkola & Jerker Pitkänen

 Article published 27.5.2024 – International Construction & Projects Draft proposal on the new act on offshore wind power in the exclusive economic zone sent out for comments
Samuli Tarkiainen
Kanerva Sunila
Sonja Leinonen

Samuli Tarkiainen, Kanerva Sunila & Sonja Leinonen

 Article published 23.5.2024 – International Construction & Projects Changes in the construction industry provide good grounds for updating the General Conditions for Building Contracts
Jaakko Honkala
Jerker Pitkänen

Jaakko Honkala & Jerker Pitkänen

 Article published 27.3.2024 – Restructuring & Insolvency A construction boom is just around the corner 
Pauliina Tenhunen
Jerker Pitkänen
Elina Pesonen

Pauliina Tenhunen, Jerker Pitkänen & Elina Pesonen
Insights