A-key S.r.l. is an Italian company that develops Internet of Things solutions for increasing safety in working environments. It has 70 employees across 4 offices in Italy and focuses on developing raw electronics, embedded firmware/software, and cybersecurity technologies. A-key partners with universities for research and has developed several IoT-based safety solutions for monitoring worksites and workers including Safety@Work, Beep4Safety, CheckOnSite, and Mark4Safety which use sensors and mobile/web apps to track workers, equipment, and detect unsafe conditions. Over 7,000 technicians currently use A-key's Safety@Work solution.