Rotan stands for complete solutions in tank storage and plant construction as well as in EI&C and cleaning technology. With around 250 specialists, we work on pioneering technologies, set the highest quality standards and find a solution for every challenge - because for us, there's no such thing as impossible.
Our strength lies in the combination of size and flexibility. We are large enough to master the most demanding projects and at the same time agile enough to act quickly and efficiently. With our commitment and expertise, we create the basis for sustainable success - today and in the future.
Strong leadership, family roots
Strong leadership, family roots
Thomas Holzwarth has been the sole Managing Director of Rotan GmbH since 2020. With his engineering degree and major international projects under his belt, the son of co-founder Bernd Holzwarth joined the management team - and has been ensuring that Rotan remains fit for the future with passion and expertise ever since.
He can always rely on his managers from a wide range of disciplines. Together, they drive the further development of the family business forward while remaining true to the ideals of an owner-managed company - with an eye to the future in order to constantly realign the sails for the right course into the future.
Milestones in the successful development of
Rotan is founded in Dannstadt by Mr. Heil, Mr. Hammer, Mr. Seegmüller and Mr. Holzwarth as specialists for pipeline construction and tank storage.
Construction of the administration and workshop building in Dannstadt.
Opening of the Leuna branch under the management of M. Wüsthof.
Start of the Cleaning Technology division under the management of Wolfgang Haucke.
Construction of the administration and workshop building in Leuna.
Extension of the workshop building and renovation of a social wing in Leuna.
Construction and extension of an administration and workshop building for the cleaning technology division.
Acquisition of Thönnes+Grimus Rostock and opening of the Rostock branch under the management of Volker Zimmer.
Holm Herfurth takes over the management of the Leuna branch.
Thomas Holzwarth joins the management team - Rotan is managed by Bernd and Thomas Holzwarth as an owner-managed family business.
Acquisition of Geritzmann Rohrleitungsbau and opening of the Gelsenkirchen branch.
Thomas Holzwarth takes over as sole managing director.
Our team - the people behind the projects
Our team - the people behind the projects
Passion, technical know-how and the fun of working together - that's what drives our team. We put our heart and soul into every project. Each and every one of us contributes their knowledge and skills to help us create great things together.
Close to the customer - ready for use anywhere
Close to the customer - ready for use anywhere
With our headquarters in Dannstadt and locations in Rostock, Leuna and Gelsenkirchen, we are always close to our customers. And even beyond national borders: we are where our customers need us - flexible and ready for action.
Creating great things together
Creating great things together
Regardless of whether you get to work directly on site or use your expertise behind the scenes - with us, you are the focus. You play an active role in shaping and developing your career and we support you in this. Always in a way that suits you and your strengths.
