About us

We are a long-standing, family business with a commitment to providing high quality, independent and impartial expert services.

As a part of our portfolio, we offer crane system inspection and acceptance services in both the onshore/mining and offshore sector. Furthermore, we offer a competent and reliable service in the area of occupational safety and also expert services for windows, doors and facades.

In addition, we draw up individual invitations to tender for your field of application, are happy to review your proposals, and advise you and represent you in the award of contracts. If you wish, we can also supervise the commissioned work and take over the acceptance procedure. 

We are here at your side with help and advice in finding a solution.
All the services we offer are available individually or as a package.

We cover a wide range of expert services with these areas that go very much hand in hand, and guarantee quality work in accordance with the ISO 9001 quality standard from the LRQA.

In addition, Mr. Wolfgang Prager and Mr. Marcel Prager are certified experts in accordance with DIN EN ISO/IEC 17024 for "Stationary/offshore cranes and cranes for the transport of dangerous goods".


More than 15 years’ experience

More than 70 satisfied customers

More than 660 projects worldwide