Joona Havunen

Senior Associate, Member of the Finnish Bar

Services

  1. Competition & Procurement

Contact details

I advise our clients in matters related to EU and competition law as well as public procurement.

I have a Master of Laws degree from the University of Helsinki. In addition, I have spent a semester studying law at KU Leuven in Belgium.

Prior to my graduation, I worked as a trainee at several leading Finnish law firms and at the Finnish Competition and Consumer Authority.

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
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
Uponor Infra – Sale of district energy business
We advised Uponor Infra Oy in the sale of its district energy business to ISOPLUS Suomi Oy, part of ISOPLUS Group, a leading manufacturer of district heating pipes in Europe. Uponor’s district energy business had a net sales level of approximately EUR 40 million in 2022, and it included operations in Finland, Sweden, Estonia and Norway. The divestment is in line with Uponor Infra’s strategy that focuses on growing its core business. Uponor is a leading global provider of solutions that efficiently and effectively move water through cities, buildings, and homes. Uponor helps customers in residential and commercial construction, municipalities, and utilities to be more productive. Uponor’s solutions are sold in more than 80 countries, and the company employs about 4,000 professionals in 26 countries in Europe and North America. In 2022, the company’s net sales totalled approximately EUR 1.4 billion. Uponor Corporation is listed on Nasdaq Helsinki.
Case published 17.4.2023
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
Grafton Group – Acquisition of IKH
We advised international building materials distributor and DIY retailer Grafton Group plc in its acquisition of Finnish Isojoen Konehalli Oy and Jokapaikka Oy (IKH). IKH is one of the largest workwear and personal protective equipment, tools, spare parts and accessories technical wholesalers and distributors in Finland. The consideration payable for IKH is EUR 199.3 million on a cash and debt-free basis.  ‘The acquisition of IKH is an exciting development that gives Grafton a presence in Finland for the first time and broadens its market position.  It will also strengthen the group’s operations in the mainland European market in line with our international development strategy.  IKH is a high-quality business with a strong market position and an experienced management team that provides Grafton with a new growth platform in the Nordic Region. We look forward to welcoming the IKH management team and their colleagues to Grafton’, Gavin Slark , CEO of Grafton, comments. Our team, which includes members from several practice areas, advised Grafton in all legal aspects of the acquisition and negotiating the entire transaction documentation. Grafton Group plc is an international distributor of building materials to trade customers and has leading regional or national positions in the merchanting markets in the UK, Ireland and the Netherlands. Grafton trades from circa 550 branches and has circa 11,000 colleagues. Headquarters are located in Dublin, Ireland. Grafton is listed on the London Stock Exchange.   IKH, a family owned business founded in 1956 and originally focused on agricultural spares and machinery, has approximately 400 employees and is headquartered in Kauhajoki, where its well-invested distribution and logistics centre is located. IKH is currently developing a market presence in Sweden and Estonia.
Case published 24.6.2021
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
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
Piippo – Sale of bale netwrap and baler twine machines and certain trademarks
We are acting as legal advisor to Piippo Plc in the sale of their bale netwrap and baler twine machines, related assets, and trademarks used in Piippo’s business to Portuguese Cotesi S.A. The sale of assets will be carried out in two phases and the final completion of the transaction is expected to occur during the first quarter of 2026. Piippo Oyj’s core business is baling nets and twine and it is one of the leading suppliers in the industry globally. The company’s global distribution network covers more than 40 countries. The company’s shares are listed on the First North Growth Market Finland operated by Nasdaq Helsinki Oy. Founded in 1967, Cotesi is one of the world’s leading producers of synthetic and natural twines, nets and ropes, with operations in Europe, North America and South America and its main production plant in Vila Nova de Gaia, Portugal.
Case published 17.4.2025

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