We have offices in 

Helsinki, Finland and 

R&D Center in Berlin, Germany.


21TDMC Group Oy

Messipojankuja 4

00180 Helsinki


21TDMC Germany GmbH

Brandenburgische Strasse 73

10713 Berlin

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General inquiries: info(ät)21tdmc.com

New Business: janne.alasaarela(ät)21tdmc.com



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We are hiring!

We are a growing 21TDMC company that offers its employees a unique opportunity to participate in developing the most efficient thermal engine in the world, a responsible position in a professional, multinational team.

  • Make work that has meaning.
  • Share your passion with a compact, fast-moving, innovative and energizing team.
  • Flexible working hours and a relaxed atmosphere and operating environment.

Check open positions, click to download description:

  1. Engine Development Engineer

  2. Sales Engineer