References/12 Jan 2026

Borenius advised MML Keystone on the acquisition of Coptersafety

We advised MML Keystone on the acquisition of Coptersafety, the largest independent provider of helicopter full flight simulator pilot training in Europe, from funds managed by Sentica Partners.

MML Keystone is an investment arm of MML Capital Partners, a UK-based private equity firm, focused on essential asset-backed businesses.

Founded in 2011 and headquartered in Helsinki, Finland, Coptersafety operates a purpose-built, state-of-the-art helicopter simulator training centre near the Helsinki-Vantaa airport. Coptersafety delivers mandatory, safety-critical training to professional helicopter operators globally, with approximately 95% of its sales generated internationally. Coptersafety holds approvals from major aviation authorities, including EASA, the FAA, the UK CAA and Transport Canada among multiple other local Civil Aviation Authority approvals.

MML Keystone is investing alongside the existing management team, which will continue to lead the business and retain a meaningful shareholding.

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Service areas

Team

Joel Kättö

Partner

Helsinki

Ben Fallström

Partner

Helsinki

Riikka Eronen

Partner

Helsinki

Heikki Wahlroos

Partner

Helsinki

Joel Ilveskero

Senior Associate

Helsinki

Henrik Uoti

Senior Associate

Helsinki

Ida Liukko

Associate

Helsinki

Johan Granlund

Associate

Helsinki

Essi Kokko

Associate

Helsinki

Mikko Vesikivi

Senior Associate

Helsinki

Henna Jovio

Counsel

Helsinki

Jussi Pikkujämsä

Associate

Helsinki

Henriikka Piekkala

Counsel

Helsinki

Leo Rantanen

Associate

Helsinki

Jere Onnela

Associate

Helsinki

Tuomas Enkkilä

Associate

Helsinki

Meri Tirkkonen

Associate

Helsinki

Minna Muukkonen

Senior Associate

Helsinki

Hanna Lemberg-Strömberg

Associate

Helsinki