In December 2021, ESR became a service offering of ClearStar, which is accredited by the Professional Background Screening Association (PBSA). ClearStar is a leading provider of Human Capital Integrity technology-based services specializing in background and medical screening. For more than 25 years, ClearStar has been helping clients around the globe succeed by providing them with employment intelligence to grow their teams with confidence. As a seven-time Inc. 5000 honoree and founding member of the Professional Background Screening Association, ClearStar has established an impeccable reputation for innovation, reliability, and candidate care.