Jenni Korhonen

Counsel, Member of the Finnish Bar

I advise our clients in domestic and international tax matters. I have experience in corporate taxation and tax matters related to mergers and acquisitions.

Before joining Castrén & Snellman, I worked as a tax specialist for a major accounting firm. In addition to my studies at the University of Lapland, I have studied law at Uppsala University in Sweden.

Latest references

We advised Netel Group, a Nasdaq Stockholm-listed contracting company, on the sale of its Finnish operations, Netel Oy, to a group of private investors. The divestment forms part of Netel Group’s strategic realignment. In January 2025, Netel Group announced its decision to exit the Finnish market in order to concentrate on its core markets in Sweden and Norway and growth markets in Germany and the UK. Netel Group is a leading provider of services in the development and maintenance of critical infrastructure within Infraservices, Power and Telecom across Northern Europe. The company has been listed on Nasdaq Stockholm since 2021.
Case published 1.7.2025
We advised Milexia Group, a portfolio company of the French PE sponsor Crédit Mutuel Equity, on its acquisition of the activities of Alpha Positron Oy, a Finnish distributor specializing in GPS/GNSS, time and frequency solutions for the electronics industry, process automation, corporate IT, defense, and other demanding markets. Milexia Group is one of the world’s leading European suppliers for high-quality electronic components, systems and scientific instruments technology. It has offices, warehouses and technical centres in France, Italy, Spain, the United Kingdom, Germany, Nordics and Hong Kong. The acquisition aligns with Milexia’s strategy to expand its presence in the Nordic region and enhance its portfolio of communication solutions.
Case published 24.4.2025
We advised A. Ahlström Real Estate Ltd in its acquisition of an office complex in Pasila, Helsinki, from Avain Yhtiöt Oy. The office complex is part of a new block area that will also include three tower blocks. Construction of the block has started in early 2025 and the office building is expected to be completed by the end of 2026. The office building is located in Central Pasila, in the immediate vicinity of the Tripla shopping centre, with excellent transport connections. The office will provide modern and adaptable office space for up to 450 employees. The anchor tenant in the new premises is Avain Yhtiöt. A. Ahlström Real Estate manages the real estate and forest assets of A. Ahlström Oy. Avain Yhtiöt is a Finnish housing provider specialising in developing, constructing, and managing residential properties and housing services. Under the Avain Asunnot brand, Avain Yhtiöt and Avain Asumisoikeus own over 12,000 rental, right-of-occupancy, and service housing units across Finland.
Case published 18.3.2025
We advised Tesi (Finnish Industry Investment Ltd) in its investment in the heavy duty vehicles company Oy Sisu Auto Ab. With this investment, Tesi became an owner in the company with a share of 24.4 per cent. Sisu Auto is a pioneer in the Nordic market in the development of heavy duty vehicles. Sisu’s core competences are in the product development and production of trucks and military vehicles. Tesi is a state-owned, market-driven investment company that invests in venture capital and private equity funds and directly in Finnish startups and growth companies. The investments managed by Tesi total 2.1 billion euros.
Case published 19.8.2024
We advised Oomi Oy in a partial demerger where Oomi’s solar power business for corporate customers demerged and formed a new independent company, Oomi Solar Oy. As part of the partial demerger process, we assisted Oomi in pre-emptive discussions with the tax authorities where the tax treatment of the restructuring was confirmed. Oomi Solar, the demerged company, focuses on implementing solar power plants for real estate properties, ground-level solar power plants and industrial solar power parks and supports companies and entities in their transition towards renewable energy. Oomi Solar started operations on 1 January 2024.
Case published 12.2.2024
We advised Voisin Consulting Life Sciences (VCLS) on the acquisition of MedEngine, a leading medical science agency in the Nordics. MedEngine is a digitally minded, premium service provider for the pharmaceutical industry, built upon extensive academic expertise and years of experience in the industry. Founded in 2014, MedEngine has a strong presence across the Nordic countries with offices in Helsinki (Finland), Copenhagen (Denmark), and Stockholm (Sweden). Founded in 1997, VCLS provides end-to-end HealthTech solutions to support biotechnology, pharmaceutical and MedTech manufacturers throughout their product development. With offices in the US, France, UK, Switzerland, Denmark, Madagascar, India, and China, VCLS serves a broad range of developers and investors in HealthTech.
Case published 7.11.2023
We advised Impinj, Inc. (NASDAQ: PI) in its acquisition of Voyantic Oy, a global provider of RFID (primarily RAIN and NFC) inlay and label design, manufacturing and test systems. Impinj designs and sells a platform based on RAIN RFID technology that enables wireless item-to-cloud connectivity and with which it and its partners innovate Internet of Things solutions globally. Impinj is headquartered in Seattle, Washington, USA.
Case published 27.4.2023
We advised Litorina Capital, a Swedish private equity house, in the merger of two leading indoor playground chains in the Nordics, Leo’s Lekland and HopLop. Litorina IV fund, the main owner of Leo’s Lekland, and CapMan Special Situations I, the main owner of HopLop, agreed on an ownership arrangement that will unite Leo’s Lekland and HopLop into Europe’s leading indoor playground group. Both parties will continue their ownership in the new combined group. The HopLop chain continues to operate in Finland under the HopLop brand. The new group will be Europe’s largest family focused activity and exercise company. It has a total of 68 parks in Finland, Sweden, Norway, Denmark and Germany. Leo’s Lekland is the largest indoor playground chain in the Nordic countries, with a total of 50 parks in Sweden, Norway, Denmark, Finland and Germany. There are 7 parks in Finland. HopLop is the largest children’s adventure and indoor playground chain and the most significant family focused activity and exercise company in Finland. There are 17 HopLop parks in Finland and 1 in Germany. Litorina is a private equity investment firm based in Stockholm, Sweden. It was founded in 1998. It invests in niche market leading companies with headquarters in the Nordics. Currently it has 13 portfolio companies.
Case published 2.2.2023