Personio has developed the HR Operating System. Their HR management and recruiting solution is aimed at startups, and small- and medium-sized enterprises. It enables these businesses to store, process, and manage all employee data through one system. This includes any workplace data such as vacation, sick days, performance, attendance, salary and much more. Personio also offers recruiting functions that help HR track applicants, stay ahead of interview schedules, post candidate reviews, and more. Founded in 2015 Personio has grown to over 800 customers and more than 100 employees to date. The company has raised €12.5M in venture capital to date from leading investors such as Northzone and Global Founders capital.