Who is employment screening resources? Founded in 1997, Employment Screening Resources (ESR) is a nationwide background screening firm located in the San Francisco, CA, area. ESR is one of only a few firms accredited by The National Association of Professional Background Screeners.How do i contact sterling for employee screening solutions? Contact Sterling for employee screening solutions at +44 (0) 1792 478838. Contact customer service at +44 (0) 2087 410000 or fill out the online form.Where can i get a background check for a company? Employment Background Check Services for Companies, ESR Employment Background Check Services for Companies. Highly Certified ESR provides background checks for pre-employment, Form I-9, E-Verify, & criminal records and other background screening services. Employment Screening Resources LOGIN Candidate Support Contact Sales Toll Free: 888.999.4474Why manage your hiring risks with employment screening services? Manage your hiring risks with employment screening services that give you the insight you need to make the best hiring decision, the first time. FuseOS brings an unprecedented level of transparency to your employment screening process so you can better manage the expectations of your hiring managers and candidates.