We are an investment company that helps Finland’s most promising companies grow bigger.

Tesi's Impact Review – 30 years as a builder of growth and developer of the VC & PE market

Egg white protein without animals. Tesi's portfolio company since 2024.

Rotor sails driving the clean transition in maritime. Tesi's portfolio company since 2021.

A global leader in building quantum computers. Tesi's initial investment in 2019.

Tesi's new investment strategy – together with private investors,
as a minority investor, and on a market-driven basis.

From a strong brand to a key player in the defense industry. Tesi's initial investment in 2023.

We support companies in sustainable development.