Electrical department of predecessor company Ganz és Társa Vasöntöde és Gépgyár was found in 1878, after expanding to Ganz és Társa-Danubius Villamossági-, Gép-, Waggon- és Hajógyár Rt. in 1911 production of electricity power meters was growing up rapidly. Since 1st Jamuary 1949 Ganz Árammérőgyár became as a standalone company, production started in new buldings in Gödöllő near Budapest. In 1964 factory in Gödöllő became a part of Ganz Elektromos Készülékek és Mérőműszerek Gyára, what was renamed in 1967 to Ganz Műszer Művek, however in 1980 it became again independent company. Since 1989 (until today) the successor company is Ganz Árammérőgyár Kft. like a part of international corporations.