Janitza electronics GmbH was founded in 1986 in Lahnau (Hesse), Germany (preceded by Eugen Janitza GmbH, established in 1961).

The company's profile covers devices and systems that provide transparency and control in energy consumption, power quality, and residual current monitoring (RCM). Janitza's offerings include universal measurement and monitoring devices, the "GridVis®" power analysis software, and residual current and power quality monitoring systems.

A key focus for the company is also the integration of solar energy systems: for example, the products are suitable for monitoring mechanical units, photovoltaic installations, and energy storage systems, increasing efficiency, and supporting compliance with standards (e.g., ISO 50001).

Janitza operates with a "Made in Germany" manufacturing background and serves partners worldwide, while also offering services (commissioning, expert advice, training) related to measurement systems.