The core activity of ONE3 is to provide IT support and services to individuals and businesses. This includes: hardware and software installations, maintenance and repairs for computers, smartphones, printers and other peripheral devices; data transfer and backup as well as virus and data protection measures; support for operating software applications such as MS Office and meeting software; consulting and support for the purchase of new hardware and software; and remote support via TeamViewer and phone. Additionally, the company also offers specialized services such as CNC control data transfer and connection to networks and CAD/CAM systems.