• We are building space for the future

  • One of the most high-end employers

  • Surprising things happen when people work together

  • Our employees are our greatest strength

  • Our passion for technology is what drives us


Over 400 employees. Six independent companies. Three countries. One holding. ZELTWANGER.

The six companies in the ZELTWANGER Group have one thing in common: Our business is characterized by an irrepressible passion for technology.

All companies are technology and innovation leaders in their respective industries. The outstanding performances of each individual employee, their enthusiasm, and exploitation of the best possible synergies are what make this achievable!

Our constant goal is to offer you, our customers, the best possible solution.

Contract manufacturing

Your outsourcing partner for assembly and manufacturing services in Germany.


Your specialist for automation solutions with varying degrees of automation.

Leak testing

Your German partner for service and devices for reliable leak testing.

Zeltwanger AMT (CZ)

Your full-service provider in the Czech Republic for contract manufacturing, assembly, and leak testing.

Zeltwanger CNC (US)

Your specialist in the US for high-precision components and module and system assembly.

Zeltwanger LTA (US)

Your expert in leak testing, automation, and laser technologies in the US.

Careers in the ZELTWANGER Group

Do you have a passion for technology? Do you love developing new solutions and taking on responsibility? Are you respectful of others and do you take a sustainable approach towards the environment and society?

Then discover the career opportunities at ZELTWANGER.

Careers in the ZELTWANGER Group: Man high fives an X-CELL WB robot arm

Mission statement

Finding a better way to collaborate and conduct business – our mission statement describes what is important to us.


Innovation needs history.
We outline the steps of ZELTWANGER’s growth since the very beginning.


At ZELTWANGER, we take responsibility –
for people, our environment,
and society.

ZELTWANGER guarantees quality

As the central service provider, we also insist on comprehensive quality assurance and certification for the entire ZELTWANGER group.

Our companies are all certified according to ISO 9001:2015.