Background Check Services

Background Check Services for Employers
Companies all over the world trust ESR to manage the screening of their employees and extended workforces.

Employment Screening Resources® (ESR) – a service offering of ClearStar – offers comprehensive background screening services, products, and solutions that empower our clients to make compliant and informed hiring decisions. Our work reflects the company's deep commitment to compliance, technical innovation, and the agility to respond to constant changes in the background screening landscape. We provide the tools, skills, knowledge, and resources necessary for employers to create a Safe Hiring Program. 

Identity & Credit Background Screening Services by ESR

Identity and Credit Reports

Who Are You? Confirming identity is an important step in the hiring process.

SSN Trace, Identity Verification Background Screening Services by ESR

Social Security Number (SSN) Trace

The SSN Trace is a valuable tool used to identify names and jurisdictions used by an individual.

CBSV Employment Screening Services by

Consent Based SSN Verification

ESR performs Consent Based SSN Verification (CBSV) directly with the U.S. Social Security Administration.

I-9 & E-Verify Employer Agent Background Check Services

Form I-9 and E-Verify Services

All employers must confirm work eligibility for employees in the United States. We make it easy and compliant.

 Criminal Record Searches Background Screening

Criminal History Searches

There are many types of criminal searches. Which are right for you?

Sex Offender Registry Searches

Sex Offender Registry Searches

ESR can help you find out if your candidate is listed as a registered sex offender.

ESR Criminal Insights Services

ESR Criminal Insight

The broad multi-state/multi-jurisdiction search covers millions of records across all 50 states.

Civil Records Searches by ESRcheck Background Screening

Civil Records

ESR performs civil records searches at county and federal levels to find case outcomes.

Driving Record Searches

Driving Records

Got drivers?  ESR manages risk and compliance under the law in all 50 states and countries all over the world.

Social Media Screening

Social Media Screening

Are you leveraging the power of social media in your screening program?

Drug Testing, Substance Screening

Substance Abuse Testing

A drug-free workplace can help employers reduce insurance and workers’ comp premiums.

International Background Screening Services by

International Background Screening

ESR is global. Whether you have workers who have lived abroad or have workers in other countries, we’ve got you covered.

Verifications, License & Reference

Verifications, Licenses, and References

Have your hires claimed education or employment that is false? Statistics show more than 85% of resumes contain false representations.

US Sanctions and Excluded Parties

U.S. Sanctions and Excluded Parties

Millions of records and thousands of sources comprise our sanctions and watchlists. Did your candidate make the list?

Occupational Health Screening

Occupational Health Screening

ESR supports safe and healthy workplaces and can help design the right program for your business.

Global Sanctions and Watchlist

Global Sanctions and Watch Lists

ESR offers three global sanction and watch list options.   

Business Searches

Business Searches

ESR can search for bankruptcy, credit, civil records, corporate filings, and more.

Fingerprint search


ESR delivers an automated process for fingerprint capture and submission.



The most selective companies trust ESR to manage their screening programs.

Employment Screening Resources® (ESR) is a global background check firm that is a strategic choice for employers who need accuracy and compliance in their background screening programs.

ESR is accredited by the Professional Background Screening Association (PBSA) – formerly the National Association of Professional Background Screeners (NAPBS) – and undergoes yearly SSAE 18 SOC 2® Type 2 audits to ensure the privacy, security, confidentiality of consumer information.

ESR founder and CEO Attorney Lester Rosen wrote the book on background checks with “The Safe Hiring Manual.” To learn more about services and solutions from ESR, please fill out the form to the right.

NAPBS Member AICP PCI DSS Privacy Shield All Work USA PBSA Member

Contact Us

7110 Redwood Blvd.
Novato, CA 94945

(415) 898-0044
(888) 999-4474 (Toll Free)

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