Hilma Laamanen

Associate, Master of Laws

Services

  1. Data & Technology

Contact details

I advise our clients on various data protection and technology-related matters.

Before joining Castrén & Snellman, I worked as an intern at another law firm specialising in business law and at a domestic listed company, where my tasks focused on corporate law and data protection. I also have experience in data sharing and data governance regulation.

I graduated with a Master of Laws from the University of Helsinki in the spring of 2024.

Latest references

Downing – Acquisition of the entire share capital of Tornionlaakson Voima
We advised UK-based investment company Downing in its acquisition of the entire share capital of Tornionlaakson Voima Oy. Tornionlaakson Voima owns three hydropower plants in the Tengeliönjoki river system – the Portimokoski power plants in Ylitornio, the Jolmankoski power plants in Raanujärvi and the Kaaranneskoski power plants in Sirkkakoski. The power plants produce a total of approx. 45 gigawatt-hours of electricity per year. Tornionlaakson Voima’s daily operations will continue normally, and the transaction will not affect customers. The consummation of the transaction is subject to the approval of the Ministry of Economic Affairs and Employment. Downing has over 35 years’ experience in providing a wide range of investment solutions to the needs of institutional investors, advisers and retail investors. The company manages over £2 billion in assets in both the private and public markets and its current hydro power portfolio includes approx. 50 hydro power plants in the Nordics. 
Case published 27.3.2026
SuperOffice – Acquisition of Lyyti
We acted as Finnish counsel to SuperOffice AS, backed by Axcel, in its acquisition of Lyyti Oy from Finnish private equity firm Vaaka Partners and other sellers. Lyyti is a leading event management software company for physical, digital and hybrid events with a strong customer base in Finland, Sweden and France. SuperOffice is a leading provider of customer relationship management (CRM) software for small and medium-sized businesses across Northern Europe. Axcel is a Nordic private equity firm with a focus on technology, business services and industrials, healthcare, and consumer sectors.
Case published 9.12.2025
City of Pori – Sale of 49% stake in Pori Energia to Polhem Infra
Castrén & Snellman is acting as the legal advisor to the City of Pori in its sale of a 49% stake in Pori Energia to Polhem Infra. Pori Energia, a multi-utility company, operates in various sectors including district heating, electricity distribution, and electricity generation through CHP and renewable sources. The company also provides wind power services and industrial energy solutions in the Satakunta region. This strategic partnership between the City of Pori and Polhem Infra aims to enhance Pori Energia’s financial stability and investment capabilities, enabling the company to further its efforts in the energy transition and continue delivering high-quality energy services to its customers. Polhem Infra, owned by Swedish state pension funds, focuses on investments in critical infrastructure, including renewable electricity generation, energy storage, energy distribution, digital infrastructure, and transport infrastructure. The transaction values Pori Energia at EUR 905 million. 
Case published 31.1.2025
Neste – A EUR 250 million 10-year loan with NIB
We advised Neste as it signed a EUR 250 million 10-year loan with NIB. The loan will finance Neste’s investments related to research and development (R&D) in processing lower-quality feedstocks into high-quality renewable products; as well as the liquefied waste plastics (LWP) investment at Neste’s refinery in Porvoo, Finland. The R&D activities supported by the loan focus on the development of renewable solutions. These include, for example, expanding feedstock capabilities and technologies that enable the processing of new and lower-quality waste and residues into high-quality renewable end products. Part of the financing supports Neste’s liquefied waste plastics investment in Porvoo, related to upgrading low-quality plastic waste into high-quality feedstock at an industrial scale. The investment contributes to advancing circular economy solutions by enabling the use of hard-to-recycle plastic waste as a replacement for virgin fossil raw materials. The unit has an annual capacity to process up to 150,000 tonnes of liquefied waste plastic. Production ramp-up commenced in 2026.
Case published 19.8.2026
Aspo – Demerger and finance matters
We advised Aspo Plc, ESL Shipping Ltd and AtoBatC Shipping AB in relation to finance matters in connection with the demerger of Aspo, by which all the shares in ESL Shipping Ltd held by Aspo, together with the related assets and liabilities, will be transferred to a new independent company to be named ESL Shipping Group Plc. Aspo intends to apply for the shares of ESL Shipping Group to be admitted to trading on the regulated market of Nasdaq Helsinki. It is further intended that Aspo be renamed Telko Group Plc. 
Case published 19.8.2026
Lenders and Export Credit Agencies – EUR 514.4 million green project financing for Easpring Finland New Materials’ CAM plant
We acted as Finnish law legal adviser to the lenders and the export credit agencies in connection with the EUR 514.4 million green project financing for the development and construction of Easpring Finland New Materials Oy’s cathode active material (CAM) manufacturing plant in Kotka, Finland. The borrower, Easpring Finland New Materials Oy, is a joint venture owned by Beijing Easpring Material Technology, Finnish Minerals Group and LG Energy Solution. The financing was provided by six international commercial banks, with Société Générale acting as financial adviser and mandated lead arranger together with Natixis as co-mandated lead arranger, and DNB, ICBC, ING and Standard Chartered participating as lenders, with support from the export credit agencies Finnvera and Sinosure. The project represents a significant milestone for Finland and the European battery value chain by strengthening Europe’s domestic supply of cathode active materials, a key component in lithium-ion batteries for electric vehicles and energy storage applications. Once the first phase of the project is operational, the Kotka facility is expected to produce approximately 60,000 tonnes of cathode active material annually, making it one of the largest CAM production plants in Europe and supplying leading battery manufacturers across Europe. 
Case published 21.7.2026
Delta Capacity – Acquisition of BESS Project
We acted as Finnish legal advisor to Delta Capacity in connection with its acquisition of the ready-to-build Karppio battery energy storage system (BESS) project from Helios Nordic Energy. The acquisition was made and the project will be implemented together with Strioga Family Foundation. The Karppio BESS project is located in Teuva, Finland, and has a capacity of 125 MW / 300 MWh. Delta Capacity will lead the remaining development of the project through to commissioning, planned for 2027, and will serve as long-term asset manager. Delta Capacity is a Swiss-based developer of utility scale battery storage systems. The acquisition adds to Delta Capacity’s growing Nordic portfolio. 
Case published 20.7.2026
Swedbank – Refinancing of Trophi’s Finnish retail real estate portfolio
We advised Swedbank AB (publ) on the refinancing of a large Finnish retail real estate portfolio owned by Trophi’s Finnish subsidiaries. Trophi is the leading Nordic real estate company focusing on grocery anchored retail properties, with 278 properties across Sweden and Finland. Finland is a market that continues to develop and is also strategically important for Trophi, accounting for approximately 30% of Trophi’s letting and property value.
Case published 17.7.2026

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