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IONCOR develops and manufactures battery systems 

our subsidiary ioncor develops and manufactures battery systems for the electrification of bus and truck segments, off-highway machinery and the automotive industry. IONCOR operates design, testing, and production facilities across six locations in Finland and Germany. Operations in Finland are based in Salo, Turku and Uusikaupunki.

A Finnish-owned battery industry player strengthens Finnish Minerals Group’s ownership portfolio at the downstream end of the battery value chain.

This is IONCOR. 

driving sustainable innovation in battery technology

IONCOR develops modular and customized battery solutions tailored to the needs of different customer segments, supporting the transition toward sustainable mobility. The company combines top expertise in automation and production line design. Its goal is to steer the entire industry toward more sustainable solutions.

ioncor as part of Finnish minerals Group

We are the majority owner of IONCOR Oy with a 70 percent ownership stake. The mutual pension insurance company Varma holds a 16 percent stake, and Pontos Group owns 14 percent. IONCOR employs over one thousand professionals in total in Finland and Germany. 

IONCOR in our news

News / 01.09.2025

Finnish Minerals Group to become IONCOR's majority owner

Following arrangements concerning Valmet Automotive, FMG will become the majority owner of IONCOR with a 70 per cent stake.

Following arrangements concerning Valmet Automotive, FMG will become the majority owner of IONCOR with a 70 per cent stake.