The core activity of bolay.co SA is the development of electronic and IT systems, particularly in the field of the Internet of Things (IoT). This includes the development of dedicated electronic components, data transmission via local buses and Ethernet, data acquisition and transmission using Linux-based embedded systems, as well as the development of frontend and backend web applications. The company offers its services as a Société de Services en Ingénierie (SSI) and focuses on developing solutions for various industries, such as monitoring photovoltaic systems, early fire detection, access management, and digital signaling.