Tonfunk Gruppe


We work with passion



The Tonfunk Group manufactures and develops high-quality electronic assemblies and devices for capital goods in the automotive, medical technology, telecommunications, nautical engineering, sensor technology, safety engineering and other industries.

This includes a quality management system that is certified for the production and development of assemblies and devices in accordance with the requirements of IATF 16949 based on DIN EN ISO 9001. The protection of the environment is of the highest priority at Tonfunk. The certification according to ISO 14001 is proof that environmental protection plays an important role in development and production.


In the Tonfunk Group, all processes, from development and production to service, are structured according to international quality assurance standards and monitored by TÜV Rheinland. The group is certified according to the guidelines of DIN EN ISO 9001 and IATF 16949.

Certification to ISO 14001 proves that environmental protection plays a paramount role in development and production. We are currently striving for certification according to ISO 13485.



In recent years, we have been awarded the Bosch Supplier Award several times for outstanding performance in quality, development and flexibility.

The Tonfunk Group has also received several awards in the Best EMS competition. Up to 500 companies in the industry take part in the Best EMS election and are evaluated by the readers in the categories "Development Service", "Obsolescence Management", "Leading Edge" manufacturing technologies and "Smart Fab".

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TONFUNK receives the "Company of the Year" award from the East German Savings Banks Association

With the "Company of the Year" award, the East German Savings Banks Association once again honoured companies in 2018 that hold their own in the market with modern marketing and creative potential and create lasting jobs through stable growth.


Anger 20 OT Ermsleben
06463 Falkenstein/ Harz

Phone: +49 34743 50-0
Fax: +49 34743 50-256