Tesi expects sustainability from its investment targets. Castrén & Snellman helps Tesi achieve its sustainability goals. 

It is increasingly important for law firms to be able to support their clients’ sustainability work.

One good example is the long-term collaboration between Tesi, or Finnish Industry Investment Ltd, and Castrén & Snellman, in which sustainability has grown in significance year by year.

‘We expect our partners to help us achieve our sustainability goals. To do that, they need expertise in and insight into sustainability issues and the developing regulatory environment’, said Heli Kerminen, a director at Tesi.

Kerminen is responsible for developing the sustainability and impact of Tesi’s investment activities.

Among other projects, C&S advised Tesi when it participated in Swappie’s 35-million-euro investment round last year. Swappie refurbishes and sells recycled phones. Its goal is to operate in 18 countries by 2023.

Investments Totalling 250 Million Euros in 2020

Tesi is a Finnish is a state-owned investment company investing in venture capital and private equity funds and directly in growth companies.

In 2020, Tesi invested a total of 250 million euros. Investments into nine private equity funds made up 82 million of that sum, and 39 million euros were invested into 20 growth companies. In addition, Tesi gave a 65-million-euro investment commitment to the KRR IV fund-of-funds, which it manages, and invested a total of 63 million euros into 24 companies through its COVID-19 stabilisation programme and Venture Bridge programme.

Tesi was founded in 1995. Kerminen divides the company’s history into three stages: the first stage focused on building the Finnish venture capital and private equity market, the second on internationalisation and the third began in 2019 with a new strategy that shifted the focus onto social impact.

‘Sustainability is one of our key operating principles and an integral part of our investment and decision-making processes. We encourage companies to grow sustainably by sharing information and expertise with them’, Kerminen said.

‘We believe that Finnish companies have a key role to play in finding sustainable solutions to global challenges.’

A Circular Economy Programme to Promote Sustainable Growth

Sustainability can be seen in many parts of Tesi’s operations.

Based on the work Tesi has done with the Finnish Innovation Fund Sitra, Tesi created a circular economy programme, which is an investment programme focused on responsible and sustainable growth. The goal of the programme is to promote the circular economy, support the growth and internationalisation of target companies and promote impact investing. Tesi has dedicated 75 million euros to the programme.

Tesi’s core mission is to support the growth and internationalisation of companies. Tesi’s mission is also to highlight and promote sustainable investing.

‘We look at the impacts that our investments have on the environment and on society. Profit is not enough for Tesi, we expect investment targets to operate sustainably and to have a positive impact on society’, Kerminen said.

Tesi also encourages its portfolio companies to develop sustainable products, services and business models.

‘A great example of a sustainable business model that is going global is Swappie. Swappie sells refurbished smartphones. This reduces harmful environmental impacts by extending the lifecycle of smartphones and also provides social benefits by putting affordable phones on the market’, Kerminen said.

Tesi’s and C&S’s shared journey promoting sustainable investing

2020

Establishment of Stabilisation Program for Mid-sized Companies

Investment in Varjo Technologies

Investment in Swappie

2019

Investment in Endev

Investment in Oura Health

2018

Sale of IonPhasE to Croda International

Investment in Nosto Solutions

Investment in Zervant

2017

Investment in BC Platforms AG Group

Co-investment in Midaxo

2016

Co-investment in OptoFidelity

Co-investment in Verto Analytics

2015

Co-investment in in Rauma Marine Constructions

2014

Acquisition of Meyer Turku (formerly STX Finland)

Latest references

We are acting as the joint legal advisor to Oomi Oy and Lumme Energia Oy in a transaction whereby Lumme Energia will merge with Oomi. As from the completion of the merger, the combined entity will be the largest electricity retail and service company in the Finnish market. In 2024, Oomi reported a turnover of EUR 373.9 million and had approximately 110 employees. Lumme Energia’s turnover for the same year was approximately EUR 314.6 million and it had approximately 50 employees. The transaction is primarily driven by the recent developments in the electricity market and the strategic goal to develop competitive products and services. Another key objective is to further enhance the customer experience, which is a shared value between the two companies. As a result of the merger, Lumme Energia’s customers will transfer to Oomi, and Lumme Energia will become one of Oomi’s shareholders. The completion of the transaction is subject to an approval by the Finnish Competition and Consumer Authority.
Case published 29.8.2025
We acted as the Finnish legal counsel for the funders to Nevel Oy in a EUR 665 million refinancing arrangement through a mix of multicurrency bank loans and private placement notes. Nevel is a utility infrastructure company offering advanced industrial and real estate infrastructure solutions that are fit-for-purpose and future-proof. The transaction supports Nevel’s growth strategy and its goal to help customers to achieve climate goals.
Case published 20.8.2025
We are acting as the legal advisor to WithSecure Corporation in Diana BidCo Oy’s voluntary public cash tender offer for all the issued and outstanding shares in WithSecure. The tender offer values WithSecure’s total equity at approximately EUR 299 million. Diana BidCo is a private limited company incorporated and existing under the laws of Finland that will be indirectly owned by a consortium formed for purposes of the tender offer by certain affiliated funds of CVC Capital Partners Plc and Risto Siilasmaa. The consortium believes that the partnership strengthens and accelerates the road to WithSecure’s long-standing goal of becoming Europe’s most trusted cybersecurity partner by positioning the company to lead the next era of business cybersecurity. WithSecure’s shares are listed on the official list of Nasdaq Helsinki. WithSecure is a Europe-based cybersecurity company that helps protect businesses and is committed to strong partnerships with customers and collaborators. WithSecure’s customers trust WithSecure with outcome-based cybersecurity that protects and enables their operations. The completion of the tender offer is subject to the satisfaction or waiver by the offeror of certain customary conditions on or prior to the offeror’s announcement of the final results of the tender offer. The tender offer is currently expected to be completed during the fourth quarter of 2025. The Takeover Board of the Securities Markets Association issued on 4 August 2025 a new recommendation (1/2025) on good securities market practice that deals with the target company’s board of directors’ obligations in case of a consortium offer in which a major shareholder of the company participates in the consortium.
Case published 8.8.2025
We advised Aker Arctic Technology Inc, a company specialised in icebreaker design, in its acquisition of Bluetech Finland Ltd. Under the signed agreement, Aker Arctic and Bluetech transferred to the ownership of Arctic Marine Technology Group Oy, an entity established for the purpose of owning the companies. Arctic Marine Technology Group is owned by Finnish Industry Investment (Tesi) and ABB, the current shareholders of Aker Arctic. The completion of the transaction required the approval of the Finnish Ministry of Economic Affairs and Employment and the fulfilment of other customary closing conditions. Aker Arctic Technology Inc is a private company specialising in the technology development, design, engineering, special products, consulting and testing services for ice-going vessels and icebreakers. Bluetech Finland Ltd specialises in cruise, ro-pax and cargo ship design, offering engineering services for ship owners, shipyards and marine suppliers.
Case published 26.6.2025