Cuculus GmbH
Software DevelopmentThuringia, Germany51-200 Employees
Cuculus GmbH is a software development company based in Thuringia, Germany, with its head office in Ilmenau and additional offices in Leipzig and Erfurt, as well as European sales offices; the company employs between 51 and 200 people. Since 2007, it provides software solutions for the energy sector and beyond, delivering both in-house installations and cloud-based services, combining advanced technology with sector expertise. Its core product is the ZONOS IoT Platform, an industrial-scale platform capable of controlling millions of devices and processing their data, serving as the basis for tailored solutions developed in close collaboration with clients. The company pursues a cooperative working style and maintains a partner network with system integrators, device manufacturers, and software vendors. It engages in activities across Europe and beyond through local and global partners and participates in industry events and associations, having recently attended CIRED Conference, Enlit Europe 2024, and Middle East Energy fair 2025. Revenue is reported in the provided data as between $25 million and $50 million.