Die KOSTAL Geschäftsbereiche

One family business – five independent companies

KOSTAL Automobil Elektrik

Automobil Elektrik

Energy & Empathy

Energizing Mobility & Embedding People: two product and innovation cornerstones - one global team! With KOSTAL know-how in our mechatronic products, we create efficient solutions for electromobility and for operating concepts of the future.

Comfort Electronics

Power Electronics

Comfort Controls

Drive Controls

I love the automotive industry because of its combination of technology, large quantities and the challenge of costs. Accommodating all three elements in everything we do is tremendously exciting.

Kai Knickmann
Member of the Board of the KOSTAL Group

KOSTAL Industrie Elektrik

“Smart connections”

KOSTAL Industrie Elektrik provides its customers with innovative solutions in three core product fields: photovoltaics, the INVEOR line of drive controllers, and instrumentation and control electronics.

Whoever can make use of the development expertise and know-how of the globally active KOSTAL Group has a clear competitive advantage. KOSTAL Solar Electric GmbH with headquarters in Freiburg im Breisgau was founded in 2006 to strengthen the international distribution / sales activities.


Drive technology

We promise to deliver benefits: smart connections – at both a technical and human level.

Dr. Manfred Gerhard
Managing Director of KOSTAL Industrie Elektrik

KOSTAL connectors

Kontakt Systeme

Always a good connection

Since being founded in 1993, the focus of the KKS has been on the development and production of plug connectors, particularly for the automotive industry. With fully-fledged 
system expertise, a wide performance spectrum, compact dimensions and low weights, many different variants and low system costs, KKS products will always provide a reliable connection.


Plug connector systems

Push-on terminal strips

Plug connectors for HV applications

Supply of current in gearboxes

We provide solutions to make you successful. KOSTAL Kontakt Systeme, your partner in excellent connections!

Herr Bergholz
Dr Markus Bergholz
Managing Director of KOSTAL Kontakt Systeme

KOSTAL Solar Electric

Using solar energy efficiently

KOSTAL Solar Electric GmbH is a leading supplier of inverters and storage systems. 
In addition to the pure conversion of solar power, the focus is on the storage and optimal use of self-generated solar energy. The product portfolio is supplemented by a variety of monitoring solutions and a wallbox for charging electric vehicles.

Hybrid Inverter

Battery Inverter



SOMA Test Technology


To be precise

The three core product fields of SOMA GmbH are monitoring, automation and dosing. As system supplier, SOMA has been supplying its customers with testing and automation systems for mechatronic and electronic products for more than 40 years.

In 2009, SOMA expanded its range of services to include components and systems for the handling and controlled dosing of industrial lubricants.

Testing technology


Dosing technology

SOMA GmbH: Your requirements + our expertise = tailored solutions

Herr Bieling
Johannes Bieling
Managing Director of SOMA