Leo Hynninen

Associate, Master of Laws

Services

  1. Private M&A
  2. Private Equity

Contact details

I advise our clients on domestic and cross-border mergers and acquisitions.

I joined Castrén & Snellman as an associate in May 2025. Before graduating, I worked as a trainee at two other law firms.

I hold a Master of Laws degree from the University of Helsinki.

Latest references

Scanreco – Acquisition of CrossControl
We acted as Finnish counsel to Scanreco in its acquisition of CrossControl. Mannheimer Swartling (Sweden) acted as lead counsel for Scanreco. CrossControl, founded in Sweden, is a high-tech supplier of advanced display computers and central vehicle computing solutions for industrial vehicles and machines. Scanreco is a world leading supplier of professional radio remote control systems to international machinery, heavy equipment, and crane manufacturers. The combined group comprises approximately 600 employees and generates annual revenue of around SEK 1.4 billion.
Case published 5.5.2026
General Catalyst – ICEYE’s EUR 150 Million Series E Funding Round
We advised General Catalyst as lead investor on ICEYE’s EUR 150 million series E funding round, valuing the company at EUR 2.4 billion. ICEYE is the world leader in synthetic aperture radar (SAR) satellite systems and operates the largest SAR constellation globally. Its technology delivers objective, near real-time Earth observation in any weather or light conditions, enabling governments and institutions to manage risks and respond faster. General Catalyst is a global investment and transformation company, partnering with leading entrepreneurs to build toward global resiliency and applied AI. Its portfolio includes companies such as Airbnb, Snap, Stripe, Mistral AI, Hubspot, Anduril, Helsing and Legora. We advised General Catalyst on this transaction in collaboration with the US law firm Goodwin. 
Case published 8.12.2025
Merger of Oomi and Lumme Energia
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
Jolt Capital and Tesi – Investment in VEV
We advised Jolt Capital and Tesi in connection with their investment in VEV, a leading provider of commercial fleet electrification solutions. The investment, led by Jolt Capital with Tesi as co-investor, will support VEV’s next phase of growth and expansion across Europe. As part of the transaction, VEV became an independent company following the acquisition of Vitol’s stake in the business. Founded by Vitol, VEV provides integrated fleet electrification solutions combining fleet strategy, charging infrastructure, energy supply and operational services. Through its VEV IQ platform, the company supports more than 6,000 commercial electric vehicles across Europe and has been deployed across more than 600 sites spanning the transport, logistics and waste sectors. Jolt Capital is a private equity firm focused on growth investments in European deeptech companies. Tesi is a Finnish state-owned investment company that promotes Finnish business and economic growth through investments. We advised Jolt Capital and Tesi on the equity financing and structuring aspects of the transaction. International law firm Goodwin advised the investors on the acquisition of VEV.
Case published 10.9.2026
VR Group – Intellectual property matters
VR-Group Plc is a transport and logistics group owned by the Finnish State, operating passenger and freight rail transport in Finland with activities also in the Swedish market. VR Group provides passenger, logistics and maintenance services with over 160 years’ experience in developing responsible transport of the future. We advise VR Group in intellectual property matters as part of the company’s wider brand protection efforts. Our assignments have included advice on copyright, design rights and trademarks, focusing on the protection of the company’s visual identity – including its distinctive green colour – in connection with transport services as part of a comprehensive IP protection strategy. VR Group’s consistent brand building has also received recognition, including the Finland Chamber of Commerce’s Brand of the Year award in 2026. In the competition, brands were viewed comprehensively from various perspectives, including their story, strategic role, brand renewal ability and intellectual property protection. The jury found that VR had understood the importance of the protection of its brand as part of a comprehensive business strategy. 
Case published 9.9.2026
NoHo Partners – EUR 50 million secured notes and EUR 97 million senior secured facilities agreement
We advised NoHo Partners Plc on the issuance of EUR 50 million senior secured floating rate notes. The notes have a tenor of four years and mature on 10 September 2030. The notes bear interest at a rate of three-month EURIBOR plus a margin of 4.375 per cent. per annum. The notes were allocated to a mix of domestic and international investors. We also advised NoHo Partners on the negotiation of its new senior facilities agreement. The facilities agreement comprises a EUR 60,000,000 term loan facility, a EUR 10,000,000 capex facility and a EUR 27,000,000 revolving credit facility. “We are delighted by the interest investors have shown in the company’s Notes, which reflects confidence in our strategy. The successful issuance of the Notes, together with the new loan agreement, extends the maturity profile of our financing and enables the company to continue executing its growth strategy going forward. I would like to thank all investors for their participation, as well as our partner bank for the excellent execution of the Notes issuance”, says Jarno Suominen, CEO of NoHo Partners. OP Corporate Bank plc acted as the sole lead manager and bookrunner for the issue of the notes. NoHo Partners Plc is a Finnish group established in 1996, and it specialises in restaurant services being the creative innovator of the Northern European restaurant market. The company was listed in Nasdaq Helsinki in 2013 becoming the first Finnish listed restaurant company, and it has continued to grow strongly throughout its history. NoHo Partners’ vision is to be the leading restaurant operator in Northern Europe.
Case published 4.9.2026
Topfoods – Acquisition of Delice Plus
We advised Topfoods Oy, a Triton-backed Geia Group company, on its acquisition of Oy Delice Plus Ab, a Finnish supplier of cakes and pastries. Through the acquisition, Topfoods strengthens its retail business and further reinforces its position in the cakes and pastries segment. Founded in 2008, Topfoods supplies selected food products to professional kitchens, the retail sector, and the food industry. 
Case published 4.9.2026
Deka Immobilien – Acquisition of a prime logistics property
We advised Deka Immobilien on its acquisition of a prime logistics property located at Turvalaaksonkuja 4, Vantaa, for the Deka-ImmobilienEuropa open-ended real estate fund. The property is situated within the Aviapolis logistics cluster, which is Finland’s leading logistics hub, benefiting from its location next to Helsinki Airport and its connections to the country’s main transport routes. Completed in 2022, the modern property comprises 32,947 sqm of lettable space and is fully let on a long-term basis to Barona Varastopalvelut Oy. The tenant is a Finnish 3PL provider offering warehousing and e-commerce logistics services to companies in Finland and internationally and uses the property as its central logistics hub. The property has achieved a BREEAM International New Construction rating of Excellent and an EPC rating of A, and it features photovoltaic and geothermal systems, among other things.
Case published 3.9.2026

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