Alarmtelserwis Tomasz Onoszko

Alarmtelserwis Tomasz Onoszko is an electrical and security installations company based in Ełk, Poland. Operating since 2000, it serves households, businesses and institutions, primarily across the Warmian-Masurian and Podlaskie regions, including Ełk and Białystok. The company designs, installs and maintains systems intended to improve property security, convenience and connectivity.

Its services include burglar and fire alarm systems, CCTV monitoring with remote viewing and phone notifications, intercoms, video intercoms and access control. Alarmtelserwis also provides electrical installations and modernisations, fire signalling systems, computer networks, satellite and terrestrial television installations, and ongoing maintenance and repair, including warranty and post-warranty service. For smart buildings, it designs and implements home automation using technologies such as Grenton and KNX, enabling control of lighting, heating, blinds and gates, as well as integration with alarms and cameras. The company is an authorised installer of Beninca products and offers free, non-binding project estimates. Its work includes installations for individual clients and organisations, with selected projects in Ełk and elsewhere.