Connected. Enhanced. Reliable.
Connected as a Group. Enhanced through Collaboration. Reliable in Action.
Our Vision – Our Mission
Vision: We create the leading independent building services engineering and project management group for sustainable and economically viable buildings.
Mission: We bring together outstanding, owner-managed building services engineering and project management firms to form a high-performing group that preserves entrepreneurial independence while fostering synergies, innovation, and economies of scale.
Our Team
Alexander Kaiss
CEO
Alexander has over 20 years of leadership experience in the building technology industry. As CEO of ARBONIA climate and Managing Director of Kermi GmbH, he has played a key role in shaping the companies’ strategic development and market position. Alexander holds a degree in mechanical engineering from the Technical University of Munich.
Maximilian Mang
CFO
Before joining NEXOPLAN, Maximilian worked at EOS Partners and the rehaneo Group, where he implemented financial structures for portfolio companies and supported successful business succession plans. Prior to that, he worked at KPMG and PwC with a focus on audit and deal advisory. Maximilian holds degrees from the Vienna University of Economics and Business.
Daniel Gaddum
Head of Business Development
Before joining NEXOPLAN, Daniel worked at L.E.K. Consulting, where he supported companies in developing growth strategies, establishing organizational structures, and managing transaction processes. He completed his studies in Frankfurt and Barcelona.
Johannes Keller
Head of HR & Communications
Johannes has many years of experience in senior HR leadership roles and covers all areas of human resources. Before joining NEXOPLAN, he was Head of People at Xentral. He previously held other senior HR leadership roles at Labcorp and Accenture in Switzerland and Germany. Johannes studied at the University of St. Gallen (HSG).
Michael Wiederholt
Head of M&A
Michael has ten years of M&A experience on both the advisory and corporate sides. Before joining NEXOPLAN, he was responsible for M&A activities at Omnicare and built a Germany-wide network of approximately 30 medical practices. As a consultant at goetzpartners, he advised medium-sized companies on sales and succession planning. Michael studied in Maastricht and Shanghai.
Our Senior Advisor
Thomas Liebert
Senior Advisor at NEXOPLAN & Chairman of the Management Board at Ingenieurbüro Liebert Versorgungstechnik GmbH & Co. KG
Thomas Liebert has over 37 years of professional experience in the building services engineering industry. As the founder of Ingenieurbüro Liebert Versorgungstechnik GmbH & Co. KG, he has played a key role in building and developing the engineering firm since 1996; it now employs over 100 people. Thomas holds a degree in building services engineering from the Munich University of Applied Sciences.
Our Network
Our network is gaining momentum: With the renowned engineering firm Liebert, we secured a strong first partner.
Our Locations
Engineering Firm Liebert
Since its founding in 1996, Liebert Engineering has been synonymous with high-quality design and construction management in the field of building services engineering (BSE).
With 30 years of market experience, a pioneering role in the integration of BIM methodology, and a clear focus on energy-efficient and cost-effective solutions, Liebert is a high-performing and reliable partner in building services engineering.
Electrical Engineering Design Office Laber GmbH
Since its founding in 1995, EPL GmbH has been synonymous with high-quality planning and implementation in the field of electrical engineering.
With expertise in electrical engineering, power supply, communications, security, and lighting technology, EPL GmbH plans and implements state-of-the-art, pioneering projects throughout Germany.
REICHEL Engineering Firm for Project Management
Since 1968, REICHEL Projektmanagement has been managing construction projects on behalf of building owners, from needs analysis and master planning through the bidding process to final acceptance.
Project management, construction management, construction logistics, and support for VgV procedures are also part of the company’s range of services. The team works in accordance with RBBau, VHB, VOB/VgV, and HOAI standards, has undergone security clearance for federal and state construction projects, and participates in working groups organized by GAEB, AHO, and DIN.
REICHEL Engineering Firm for Building Services
REICHEL has been active in the construction industry since 1968. REICHEL Gebäudetechnik specializes in comprehensive technical and specialized planning for building services engineering—from design through bidding and contract award to project supervision.
Energy consulting, fire protection engineering within building services, and a focus on a building’s entire life cycle characterize the team’s work. With projects such as the NRW Health Campus in Bochum, the Dreikönigsgymnasium in Cologne, and the DZ Bank in Düsseldorf, REICHEL is a sought-after partner for public clients, industry, and investors.
REICHEL Engineering Firm for Electrical Engineering
As an independent company, REICHEL Elektrotechnik specializes in the technical planning of electrical building systems, from power supply to safety technology.
Electrical power supply, lighting and bus systems, communications, conference, and media technology, as well as security and hazard detection systems: REICHEL Elektrotechnik designs the systems that make modern buildings safe and efficient, primarily for public-sector clients, as well as for industry and investors.
