Sofia Seppänen

Associate, Master of Laws

Services

  1. Employment

Contact details

As part of our Employment team, I advise both our domestic and international clients in various assignments relating to employment law.

Prior to my graduation, I worked as a trainee at Castrén & Snellman and at another business law firm. I have also worked as a trainee at a district court.

I have a Master of Laws degree from the University of Turku. I have also gained international experience by studying law at Lund University, Sweden.

Latest references

Milexia Group –  Acquisition of business of Alpha Positron
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
Savings Banks Group – Sale of Sb Life Insurance
We advised the Savings Banks Group on an arrangement whereby the shares in Sp-Henkivakuutus Oy were sold to Henki-Fennia and at the same time the parties agreed on a long-term distribution cooperation for insurance savings and loan protection products. The closing of the transaction remains subject to regulatory approvals. Sb Life Insurance is a domestic life insurance company, established in 2007, offering insurance savings and risk insurance products to private customers and companies. The Savings Banks and Oma Säästöpankki Oyj act as agents for Sp-Life Insurance. Henki-Fennia is a subsidiary of Keskinäinen Vakuutusyhtiö Fennia, specialising in voluntary life, pension and savings insurance.
Case published 11.4.2025
Sanok Rubber Company – Acquisition of Teknikum Group
We are advising Sanok Rubber Company S.A. on the acquisition of Teknikum Group Ltd. Teknikum Group is a European polymer technology company serving industrial customers in need of reliable rubber, plastic, silicone, polyurethane, and foam solutions. The group has approximately 600 employees and operates four production plants in Finland and one in Hungary, and a sales office in Germany. Sanok Rubber Company S.A. is the European leader in the field of rubber products, rubber-to-metal articles and combination of rubber with other materials for the automotive, construction, agriculture, pharmacy and household appliances. Sanok Rubber Company S.A. is listed on the Warsaw Stock Exchange and employs more than 3,000 people in Europe and North America. The completion of the transaction, conditional on regulatory approval, is expected to take place in the first half of 2024.
Case published 20.12.2023
Mérieux Equity Partners – Acquisition of Labquality
We acted as the legal and ESG advisor to Mérieux Equity Partners on the acquisition of a majority stake in Labquality through a leveraged buyout by its buyout fund, Mérieux Participations 4. Existing shareholders of Labquality, including Cor Group and the management, will reinvest a portion of their proceeds into the company in connection with the transaction. Headquartered in Helsinki, Finland, Labquality is a Nordic player specialized in EQA, CRO activities and regulatory affairs, with a strong local presence in Central and Eastern Europe. The company provides a comprehensive array of services for the healthcare, medical technology, and pharmaceutical industries. The company, employing over 120 professionals and supported by a network of more than 150 external experts and consultants across its offices in Finland, Germany, and Poland, serves a diverse clientele of over 8,000 customers, including major pharmaceutical companies in over 60 countries. Mérieux Equity Partners (MxEP) is an AMF-accredited management company dedicated to equity investments in the Healthcare and Nutrition sectors. MxEP actively supports entrepreneurs and companies with differentiated products and services, giving them privileged access to its sector expertise and international network. The transaction will enable Labquality to pursue its buy & build strategy in Europe to accelerate its CRO activities while continuing strong and recurring growth in the EQA segment. Labquality will benefit from MxEP’s sector expertise and financial resources to achieve its ambition of becoming a leading European CRO and EQA platform, with fully integrated regulatory consulting capabilities to serve major customers across Europe.
Case published 4.12.2023
Voisin Consulting Life Sciences (VCLS) – Acquisition of MedEngine
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
Impinj – Acquisition of Voyantic
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
Ahlström Capital – Merger of Enics and GPV International
Castrén & Snellman and Danish law firm Plesner are advising Ahlström Capital and its portfolio company Enics Group in the contemplated merger between Enics Group and GPV International A/S, wholly owned by the public listed company Schouw & Co A/S.  The transaction values the combined business at more than DKK 4 billion. The merger will create Europe’s second-largest EMS (electronics manufacturing services) company with production facilities across worldwide and with more than 7,500 employees globally. Schouw & Co A/S will hold 80% of the shares in the merged entity and Ahlström Capital will hold the remaining 20% of the shares. The completion of the acquisition is subject to customary approvals, including from competition authorities in certain jurisdictions. Schouw & Co. is a Danish industrial conglomerate listed on Nasdaq Copenhagen. Ahlström Capital is a family-owned investment company.
Case published 23.6.2022
PwC – Public tender in Kela’s Eepos procurement process
We are proud to have provided legal assistance to PwC in the successful public tendering process for the comprehensive renewal of Kela’s benefits processing systems. Kela is the Social Insurance Institution of Finland, and this project is a significant cornerstone in modernising Finland’s social security infrastructure. PwC was selected as Kela’s strategic partner to implement a comprehensive overhaul of the benefits processing systems, digital services, customer relationship management, and information exchange platforms. The project aims to meet the demands of the future digital environment and enhance customer experience through the adoption of Salesforce technology. The new systems are expected to simplify benefit processes, enhance user experience for both customers, employees and other stakeholders, and ensure adaptability to future legislative changes. Castrén & Snellman provided strategic legal support to PwC throughout its successful bidding process, which was carried out through a competitive negotiated procedure. We extend our warmest congratulations to PwC for their successful bid and look forward to seeing the positive impact of this project on Finland’s social security system.
Case published 24.4.2025

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