The core activity of Hardmeier-multimedia GmbH is the sale and maintenance of electronic devices and systems, particularly in the areas of: Audio and video systems (e.g. antennas, stereo systems, home cinema), computers and peripheral devices (e.g. printers), satellite and terrestrial reception systems, telephony and VoIP telephony, internet and PC networks. The company also offers a home service, where employees of the company provide services such as installation, maintenance and repair of electronic devices and systems on site at customers' premises.