Metering and energy services – a new approach.
For the housing sector

Innovative energy management for real estate

We are one of the leading independent metering and energy service providers for the housing sector and have developed innovative solutions that offer both landlords and tenants a transparent and fair access to consumption-dependent data.


Officium is currently comprises 14 companies:

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“Officium is the perfect partner for the further expansion and next development stage of our company. We and our customers benefit from the broad and tight-meshed network in the fields of energy management and service charge billing.”

Manfred und Jürgen Iwik, Managing Director Iwik Energiemanagement GmbH

“Officium permits us a whole new level of optimisation options. The new group constellation allows us to profit from valuable synergy effects and offer our customers a broader and even more professional portfolio of products and services. . In this respect, the digital aspects are particularly exciting.”

Jörg Brätsch, Managing Director CalMess GmbH Wärmemeßdienst