convex ZT GmbH is an owner-operated, interdisciplinary design office in the field of construction. Our team consists of civil engineers, architects, mechanical and electrical engineers at our locations in Graz/Austria, Istanbul/Turkey, Cluj-Napoca/Romania and Plovdiv/Bulgaria.

    For 40 years we have been developing economical and sustainable solutions for construction projects in the areas of industrial construction, paper mills, thermal power plants, hydropower plants, hospitals, culture and education, living and office, bridge construction, noise protection and revitalization.

    We take care of your construction project from its beginning to its end: we create feasibility studies, basic designs, cost estimates, permit and tender designs as well as detail and workshop designs, we manage the project and supervise the construction site.

    We have many years of international experience with completed projects in more than 35 countries. Our multinational team of more than 40 people speaks many languages and is familiar with a wide range of national and international standards and customs in the construction industry.

    WE ARE A STRONG TEAM

    We are a multinational and multilingual team. Our diversity leads to more ideas, perspectives and proposed solutions. Our interculturally sensitive team is very willing to perceive and respect other opinions and perspectives.

    OUR TEAM

    WE ARE DIGITAL

    Digitization has not only changed what we do, but also how we do it. convex ZT GmbH is a paperless and digital design office. We work, communicate and organize ourselves digitally - whether in the office or at home. This way we can fulfill our obligations fully even in times of the Corona-Virus.

    DIGITAL WORKING

    GLOBAL VILLAGE

    Our world is growing together into a village through digital connectivity. Builders have always been on the move, and are now more so than ever. Over the last 15 years we have designed, managed and supervised industrial and power plant projects in more than 35 countries. We love this challenge...

    OUR PROJECTS

    SHARING KNOWLEDGE

    We train apprentices. We teach at technical universities. We supervise diploma theses. We organize and accompany professional educational trips in our country and abroad for our students. We write articles and take part in conferences and congresses.

    KNOWLEDGE TRANSFER