Rosa Tuominen

Senior Associate, Member of the Finnish Bar

I advise our clients on assignments related to domestic and cross-border mergers and acquisitions. I also have experience in advising on corporate law.

I started working in Castrén & Snellman’s transaction team in July 2021. Prior to joining Castrén & Snellman, I worked at another business law firm, assisting in assignments related to mergers and acquisitions and corporate law.

I have a Master of Laws degree from the University of Turku. I also spent one academic year studying law at the University of Gothenburg in Sweden.

Latest references

We advised Valio Oy in its acquisition of Raisio Oyj’s plant protein business, related fixed assets and the Härkis® and Beanit® fava bean brands. The fixed assets include, among other things, the production equipment of the factory that makes plant protein products in Kauhava. The transaction supports Valio’s strategy to grow from a dairy company to a food company. This business acquisition will make us an even more significant developer and producer of plant-based protein products. The demand for these products will grow in the long term, and a great deal of growth potential still remains. In 2022, we acquired the Gold&Green® business and, since then, we have been carrying out strong product development and renewed the brand. Following successful product launches, sales in the last quarter of 2024 increased by about 50% from the previous quarter. With this acquisition, we are building our own production capacity. The production equipment of the Kauhava factory is just right for our needs and situation. says Kimmo Luoma, Valio’s Senior Vice President. Valio is a Finnish dairy and food company founded in 1905 and owned by Finnish dairy cooperatives. Valio has subsidiaries in Sweden, Estonia, the United States and China. In 2023, the Group had a turnover of EUR 2 278 million and more than 4 000 employees.
Case published 14.2.2025
We advised Helkama-Autokauppa Oy in the acquisition of the Škoda dealerships in Helsinki and Tampere from Hedin Automotive Finland. Helkama-Autokauppa Oy operates as an independent dealer in the dealer network of Helkama-Auto Oy, the Finnish importer of Škoda cars, spare parts and accessories.
Case published 3.12.2024
We acted as Finnish counsel to Pernod Ricard in the sale of a portfolio of local Nordic brands to Oy Hartwall Ab, an affiliate of the Danish group Royal Unibrew. Pernod Ricard is a worldwide leader in the spirits and wine industry. The local portfolio of brands includes spirits, liqueurs and Finnish wine brands, the best-known being the liqueur Minttu, along with their related production assets based in Turku, Finland.
Case published 21.10.2024
We acted as Zendesk, Inc.’s Finnish legal counsel in its acquisition of Ultimate Enterprises Oy, an industry leading provider of service automation using AI technology. The cross-border acquisition was completed in cooperation with the transaction’s lead counsel Allen & Overy. Zendesk is a leading global technology company that provides software-as-a-service and customer experience (CX) products based in the US. The acquisition of Ultimate expands Zendesk’s AI-powered CX offerings.
Case published 26.3.2024
We acted as Solina group’s Finnish legal counsel in its acquisition of Nestlé Professional Food A/S and Puljonki Oy, which own the premium culinary brands OSCAR and Puljonki, from the Nestlé group. The transaction is expected to be finalised prior to Q2 of 2024. Solina is a leading company within the food ingredient solutions industry and is active in 19 countries across Europe and North America.
Case published 23.2.2024
We advised the sellers on the sale of Speechly, a Helsinki-based AI voice technology startup, to Roblox Corporation. Speechly, founded in 2016, provides accurate real-time automatic speech recognition and natural language understanding tools and APIs. In 2021, the Finnish news media Talouselämä selected the company as one of the ten most promising Finnish startups. Speechly was admitted to Y Combinator in 2022 and its investors include Cherry Ventures, SNÖ Ventures, TQ Ventures, Seedcamp, Quantum Angels, Joyance Partners, Social Starts and Tiny.vc.
Case published 21.9.2023
We advised Lantmännen Agro Oy in its acquisitions of the entire share capitals of JS Perttula Oy and Ismo Lindell Oy. JS-Perttula Oy operates the Lantmännen Agro stores in Riihimäki, Hämeenlinna and Nurmijärvi. Ismo Lindell Oy operates the stores in Kouvola and Lappeenranta. Lantmännen Agro Oy is a Finnish agricultural company and part of the Lantmännen ek för corporation. Lantmännen is an agricultural cooperative and a leading player in the agricultural, machinery, bioenergy and food sectors in the Nordic countries.
Case published 4.8.2022
We acted as Finnish counsel to Korg USA in the acquisition of a controlling stake in the Finnish bass gear company Darkglass Electronics from the original founder Douglas Castro and other minority shareholders. Darkglass Electronics was founded in 2009 and it specialises in producing bass effect pedals, preamps, amplifies and cabinets. Korg USA was established in 1963 and its primary business is manufacturing and sale of electronic musical instruments. ‘This acquisition is aligned with our strategy to position Korg USA as a leader in the bass gear category’, says Joe Castronovo, President of Korg USA.
Case published 13.6.2022

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