OK Civil Engineers

Every Project has its Genesis

Customized engineering services from OKZT always focus on customer requirements and goals. Providing expertise and tailor-made solutions, we support you from the very first idea to the realization of your project.

OK Ziviltechniker
Building and Industrial Construction

Building and Industrial Construction

Infrastructure and Residential Engineering

Infrastructure and Residential Engineering

Structural Engineering

Structural Engineering

Pulp and Paper Industry

Pulp and Paper Industry

Implementation of ESG Criteria

Implementation of ESG Criteria

Sustainable Building

Sustainable Building

Our Services

Project Development

General Planning

Project Management / Construction Supervision

Expert Opinions

Accompanying Supervision

More than 25 years

Our Expertise is your Success

With more than 25 years of experience and continuous developments of teams, know-how and quality-certified structures, we are a reliable and competent partner for our clients.

Realized Projects



Career at OKZT

You want to find joy in your work?

As part of a young, motivated and dynamic team at OKZT, we enable you to realize your full potential and work independently on solutions.

Our Partners

Thanks to our network of long-term partners from other engineering areas, we offer continuous project support from a single source.

SAPP logo
Madaster logo
AFM Solutions logo




In cooperation with Galerie3, we turn the company headquarters into a cultural venue for Klagenfurt and Carinthia with art installations that change every six months.

Let’s Build Together

Send us a message and our experts will take care of your request – from comprehensive consultancy to realizing your project!

OK Ziviltechniker GmbH
Feldmarschall-Conrad-Platz 11, A-9020 Klagenfurt am Wörthersee
+43 463 44 44 40