Background Investigations Designed for Public Service By People Who Lived It
Nationally trusted background investigations for police, firefighters, and EMS hiring. Thorough, compliant, investigator-led screening backed by real field experience.
Trusted by departments and agencies nationwide.
Core Background Investigation Services

Firefighter / EMT
Background Investigations
Thorough, compliant pre-employment screening for firefighter and EMS candidates. These investigations help departments make informed hiring decisions with clear reporting and dependable investigator support.

Police / Law Enforcement
Background Investigations
Comprehensive, investigator-led background investigations for police & law enforcement candidates. More involved and designed to help agencies making high-trust public safety hiring decisions.
Police Investigations go deeper
Law enforcement hiring requires additional due diligence. Our police investigations include a robust second phase with expanded interviews, record checks, and mandated elements to ensure the highest standards of integrity.
Extended Interviews
Neighbors, associates, and more.
Additional Record Checks
Civil, financial, and other relevant records.
Mandated Elements
Meets POST and local agency requirements.
Additional Screening & Verification Services
CLS offers a full range of supporting searches, verifications, and compliance-related services.
Database & Record Searches
- National Database Search
- County Criminal Search
- County Civil Records
- National Registry Check
- Sex Offender Registries
- Bankruptcy Records
- Terrorist Watch Lists
Identity & Credentials
- Social Security # Trace and Address History
- Employment Verificaiton
- Professional License Verification
- Education Verification
- Personal References
- Driving Record History
Risk, Health & Specialty
- Credit Reports
- Drug Screening
- Workers Compensation Filing Reports
- Healthcare Sanctions Report
- Electronics I-9 / E-Verify
Compliance Support
- Volunteer Screening
- Volunteer Screening Plus
- Compliance Support
Why Departments Choose CLS

FCRA-Compliant
We follow all federal and state regulations to protect your agency.

Secure Report Delivery
Reports delivered securely via your agency's RMS or our encrypted portal.

Nationwide Service
Investigators nationwide with local knowledge and fast communication.
Trusted by Public Safety Agencies Nationwide
A Proven Investigative Process
Request Submitted
You submit a request with candidate and position details.
Investigation Launched
We gather records, conduct interviews, and verify key information.
Findings Reviewed
Our investigators analyze all findings and compile a comprehensive report.
Secure Report Delivered
Reports are delivered securely through your RMS or encrypted portal.































