Tesi, officially known as Finnish Industry Investment Ltd, is a state-owned investment company established in 1995. Its mission is to drive economic growth, renewal, and investments in Finland. Tesi operates as a market-driven minority investor, co-investing with private investors in venture capital and private equity funds, as well as directly in startups, scale-ups, and industrial-scale projects.

The company manages assets under management totaling EUR 2.6 billion and has invested in 121 direct portfolio companies and 114 portfolio funds. Tesi's investment strategy focuses on scaling up domestic high-tech companies, supporting industrial-scale projects, and building larger Finnish funds. The firm's areas of focus include deep technology, health and life sciences, clean economy, and defense technology.

Tesi aims to create new high-quality international-scale funds in Finland to strengthen the availability of private equity and venture capital funding for companies.