Types of Backgrounds
Whether you’re hiring, leasing, litigating, or making a personal decision, reliable information is essential. At Sigma Investigations, we conduct thorough, legally compliant background investigations tailored to your needs. With decades of experience in law enforcement, government, and private investigations, our team knows how to dig deeper—professionally and discreetly—so you can move forward with confidence.
CA POST Background Investigations
We specialize in full-scope law enforcement background investigations following California POST standards. Our thorough process includes personal history, interviews, records checks, and more—ensuring agencies receive only the most qualified candidates.
Pre-Employment Background Checks
Whether you’re hiring for a small business or corporate team, we offer employment screening that includes criminal history, employment verification, education checks, and more. Hire with confidence and reduce your risk.
Litigation & Personal Background Checks
Need to verify someone before legal action, service of process, or personal matters? We provide clear, detailed background reports to support civil claims, locate individuals, or confirm history for legitimate purposes. Trust the facts before making your next move.
IRS Publication 1075 Compliance Checks
Designed for agencies or contractors handling Federal Tax Information (FTI), these backgrounds are compliant with IRS Pub 1075 guidelines. We verify personnel suitability and ensure trustworthiness for sensitive government data access.
Tenant & Housing Backgrounds
Protect your property and community by screening potential tenants. Our checks include eviction history, credit reports, criminal background, and rental references to help you make informed leasing decisions.
Custom Background Screening Solutions
Not all checks fit into a box. Whether you need neighborhood canvassing, field interviews, or specialized inquiries—we build background investigations tailored to your needs.