Newsroom Ed. Züblin AG / STRABAG AG

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ZÜBLIN expands its range of services with electrical engineering, ITC and energy systems

Press release   •   Mar 04, 2020 12:28 CET

Acquisition of the building services engineering provider HUMMEL Systemhaus GmbH & Co. KG as part of an asset deal (Copyright: HUMMEL Systemhaus GmbH & Co. KG)
  • Acquisition of the building services engineering provider HUMMEL Systemhaus GmbH & Co. KG as part of an asset deal
  • All personnel to be retained
  • Business to be integrated into ZÜBLIN Subdivision Stuttgart under the existing name HUMMEL Systemhaus

Ed. Züblin AG is strengthening its expertise in the market for modern electrical engineering, ITC and energy systems through an acquisition. The German market leader in building construction and civil engineering is acquiring all employees, plants and equipment, as well as the brand name HUMMEL Systemhaus, as part of an asset deal from HUMMEL Systemhaus GmbH & Co. KG of Frickenhausen retroactively to 1 January 2020. Existing orders, business liabilities and the company’s real estate are explicitly not a part of the purchase. The family-owned company, founded in 1993, operates in the Stuttgart region in the three business fields of electrical engineering, IT and communication, and energy systems and generated a total output of around € 12 million with 53 employees in 2019. The transaction is still subject to approval by the antitrust authorities.

As part of Ed. Züblin AG, the newly acquired entity is to be integrated as a separate business unit into ZÜBLIN’s Stuttgart subdivision. For this purpose, a new company is being set up to operate on the market under the old name of HUMMEL Systemhaus GmbH & Co. KG. The previous location in Frickenhausen near Nürtingen, south of Stuttgart, will also remain the seat of the new ZÜBLIN company. A long-term rental agreement is to be concluded with the previous owner for this purpose. The new company will complete existing HUMMEL Systemhaus orders as a subcontractor for the seller.

Benefits for everyone involved

“We are very pleased about the expansion of our range of services. HUMMEL Systemhaus’s extensive expertise in fields like renewable energy and storage technology, smart buildings or charging infrastructure solutions for e-mobility will help ZÜBLIN gain entry into high-growth future markets. We will be able to offer projects with a significant proportion of renewable energy technology from a single source and act as a full-service provider for M&E installations,” says Stephan Keinath, technical director of ZÜBLIN Subdivision Stuttgart.

“The merger with ZÜBLIN enables us to optimally master the dynamic changes in building services engineering and the associated challenges such as investments in renewable energy technology, charging infrastructure for e-mobility, modular construction and the digitalisation of building technology. The business combination will also create interesting development prospects and secure jobs for our employees in the long term,” says Frank Hummel, founder and managing partner of HUMMEL Systemhaus GmbH & Co. KG.

Stuttgart-based Ed. Züblin AG has about 14,000 employees and, with an annual output of about € 4 billion, is one of Germany’s largest construction companies. Since it was founded in 1898, ZÜBLIN has been successfully realising challenging construction projects in Germany and abroad and today is STRABAG Group’s leading brand for building construction and civil engineering. The company’s range of services comprises all construction-related tasks – from civil engineering, bridge building and tunnelling to complex turnkey construction to construction logistics, structural timber engineering and public-private partnerships. ZÜBLIN attaches great importance to partnership-based cooperation, and our ZÜBLIN teamconcept has proved its value as a successful partnering model for about 25 years now. Current construction projects of the company, a subsidiary of globally operating STRABAG SE, include EDGE East Side Berlin,, the Rinsdorf and Rälsbach viaducts on the A45 motorway, and the Boyneburg Tunnel on the A44 motorway. More information is available at

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