Mikaela Virtanen

Senior Associate, Member of the Finnish Bar

Services

  1. Dispute Resolution
  2. International Construction & Projects

Contact details

I specialise in dispute resolution.

Before joining Castrén & Snellman’s Dispute Resolution service, I worked as a trainee at a law firm specialised in dispute resolution and after graduation as an associate at a boutique law firm specialised in dispute resolution, corporate law and energy law. My areas of practice include both domestic and international court and arbitration proceedings. I worked at Castrén & Snellman as a trainee already in 2017.

I have a Master of Laws degree from the University of Turku. I have also studied law at Lund University, Sweden.

Latest references

Oomi – Transfer of KSS Energia’s electricity sales contracts for consumer and business customers to Oomi
We are advising Oomi Oy in a business transaction whereby KSS Energia Oy’s consumer and business customers in the retail sale of electricity will be transferred to Oomi. The transfer is scheduled to take place in March 2025. The arrangement requires approval from the Finnish Competition and Consumer Authority. Oomi Oy is one of the largest energy service companies and electricity sellers in Finland. The arrangement is a result of the recent development of the electricity market and Oomi’s strategy, which aims to offer customers a seamless and improved digital customer experience.
Case published 20.12.2024
Global manufacturing company – Purchase agreement dispute
We represented a global manufacturing company in arbitration relating to a purchase agreement. The dispute was of a highly technical nature due to the qualities of the product, the intended use and the alleged defects. Also, several technical and quantum experts were involved from various jurisdictions. The value of the claims was approximately EUR 113 million. The dispute was settled in late spring 2022 under favourable terms to our client.
Case published 5.1.2022
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
Anora Group – Global Brand Portfolio Management and IP Enforcement
We are advising Anora Group in brand protection and intellectual property enforcement matters globally. Our IP team manages Anora Group’s global trademark and design portfolio, including registration, prosecution, opposition and enforcement. We also advise Anora Group in questions concerning marketing law, social media, domain names and cybersquatting. Anora Group Plc is a publicly listed company. It was born in 2021 through the merger of the Finnish Altia Oyj and the Norwegian Arcus ASA. Anora Group is a leading wine and spirits brand house in the Nordic Region and a global industry forerunner in sustainability. Anora Group has a large portfolio of iconic brands such as Koskenkorva, Linie, Larsen, Skagerrak, Chill Out, Ruby Zin, Wongraven, O.P. Anderson and Falling Feather. Its key brands are exported to over 30 markets globally.
Case published 28.1.2026
GEA – Cornerstone investment in Solar Foods’ share issue
We acted as legal adviser to GEA Group AG in a directed share issue carried out by Solar Foods Oyj, in which GEA Finland Oy, a wholly owned subsidiary of GEA Group AG, acted as a cornerstone investor with an equity investment of EUR 8 million. Solar Foods raised a total of approximately EUR 25 million in gross proceeds from the share issue to accelerate the implementation of its new production facility Factory 02.  In connection with the share issue, GEA Liquid Technologies GmbH and Solar Foods signed an exclusivity agreement under which Solar Foods appoints GEA Liquid Technologies as its exclusive process equipment vendor for the supply, design, construction and delivery of the process equipment for the Factory 02. Additionally, the parties have undertaken to negotiate terms and conditions of a long-term strategic partnership in the area of gas fermentation and related technologies. GEA is one of the world’s largest systems suppliers for the food, beverage and pharmaceutical sectors. GEA’s portfolio includes machinery and plants as well as advanced process technology, components and comprehensive services. GEA is listed in the DAX and the STOXX® Europe 600 Index and is also among the companies comprising the DAX 50 ESG and MSCI Global Sustainability Indices. Solar Foods produces Solein®, a protein created using carbon dioxide and electricity. This innovative production method is independent of weather and climate conditions, eliminating the need for traditional agriculture. Founded in Finland in 2017, Solar Foods is listed on the Nasdaq First North Growth Market Finland.
Case published 26.1.2026
Sinituote – Protection and Enforcement of Brands and Designs
We are assisting Sinituote in the protection and enforcement of its trademarks and designs and in issues related to the management of its IP portfolio. Under the SINI brand, Sinituote markets and sells cleaning tools and products. SINI products are among the most popular ones in their product category in Finland. Kungs is the leading Nordic brand for automobile care. It includes winter products such as snow brushes and ice scrapers that are designed and tested to suit the extreme Finnish winter conditions. One of Sinituote’s most legendary products is the Sinipiika mop that was developed in the 1950s and is still in production today. In addition to SINI and Kungs, the Sinituote brands also include Savu, Lundia, Rörets and VS-Harja.  The products are designed and mostly also manufactured in Finland. Sinituote has its own factory in the small town of Kokemäki in southwestern Finland. The group’s R&D focuses not only on the high quality of the products but also their ergonomics, environmental friendliness and design. Sinituote makes considerable investments in R&D and design and also actively protects and enforces its trademarks and designs.
Case published 22.1.2026

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