We conduct our business with responsibility and respect towards people, cultures, countries and the environment.
We respect local customs, regulations and laws.

We nurture the good reputation that the names Diethelm and Keller have enjoyed for generations, embodying credibility, stability and fairness.

We are committed to the highest standards of ethics and integrity throughout our company.
This is a key requirement for employees to succeed within our organisation.

Learning Culture
We foster an active, professional exchange of knowledge and expertise among our employees by providing an open environment for our multicultural, multilingual and geographically diverse staff.