From consulting and planning to plant construction, maintenance and repair, and technical services in the fields of heating technology, sanitary engineering, refrigeration, air-conditioning and ventilation, renewable energies and drinking water hygiene.


Customers come from research and education, industry and pharmaceuticals, healthcare and nursing, as well as the housing and real estate industry and the hotel sector.

m+m Gebäudetechnik GmbH

As a contact partner for technical building equipment, m+m Gebäudetechnik GmbH manages a wide variety of projects throughout Germany in the industrial, research, commercial and real estate sectors. The service profile includes the complete execution of heating, cooling, ventilation and sanitary engineering as well as renewable energies and the corresponding control engineering.

During the acquisition by ARE Beteiligungen GmbH, m+m Gebäudetechnik GmbH took over all the assets of its insolvent predecessor company. Equipped with sufficient equity capital and thanks to a competitive cost structure, the technical building equipment supplier was able to grow far above average in the period 2018-2023, during which it was strategically and financially accompanied and supported by ARE Beteiligungen GmbH in its establishment and corporate development.


Facts and figures

Established in 2018

Total output 2022
21.6 Mio. €

55 employees


2 sites

with the ARE Group

Total output in Mio. €

Number of employees

„ARE Beteiligungen GmbH strategically and financially accompanied and supported the establishment and development of our company from a small regional TGA provider in the Erzgebirge region (Saxony) to a leading TGA industry company in Berlin and Brandenburg for five years. The increase in performance from under EUR 2 million in fiscal year 2018 to over EUR 20 million in fiscal year 2022 reflects our always constructive, trusting and solution-oriented cooperation during this time.”

Uwe Klawiter

Managing Director

More information

all investments