Tunneling is a special
way to connect people.

Expertise gained in four decades. Proven worldwide.

Since 1979 our clients gain profit daily from our technique and services. From an engineering art that serviced in more than 200 projects in over 22 countries. From a know-how, that has tradition at Maidl Tunnelconsultants, since founder Bernhard Maidl built his first tunnel with 28 years of age. A tradition with many milestones:


Pioneer in Tunneling for more than 50 years.


Foundation of engineering company Maidl und Maidl (IMM) through Prof. Dr.-Ing. B. Maidl in Bochum.


Dr. Ing. U. Maidl transfers from Bilfinger & Bilfinger to IMM; Buildup of international business.


Dr. U. Maidl becomes Managing Director at IMM.


Spin-off from IMM and founding of Maidl Tunnelconsultants through Ulrich Maidl and Prof. Dr. Dr. Bernhard Maidl with offices in Munich and Duisburg.

Competence in person.
Our management.

The know-how of an organization is determined by two factors: the expertise and responsibility of the people in charge.