Methods and systems for managing personnel security at physical locations. One such method includes managing personnel security for a plurality of different sponsor entities from an administrator entity. The method includes obtaining screening data from a plurality of different vendor entities and individuals associated with those vendor entities, where the screening data is obtained to screen the vendor entities and individuals to determine whether physical access to facilities of the sponsor entities should be granted. The method further includes performing background checks on the outside companies and their employees based on the screening data, where the background checks are initiated by the administrator entity using a computer-based system operated and maintained by the administrator entity.