We serve all of California and the USA

Business Services

Tristar supports companies with discreet, results-driven investigations designed to protect assets, reduce risks, and provide actionable intelligence. From preventing employee theft to uncovering financial fraud, we help businesses stay secure and make informed decisions.

Discreet, lawful surveillance for concerns involving fraud, losses, and workplace conduct. We deliver objective documentation that supports risk management, internal reviews, compliance, and informed business decisions.
Verify candidates before you hire. Our business background checks confirm identity and work history and flag risks, from criminal records to online activity, giving employers clear information for confident decisions.
We document claimant activity to identify exaggerated or fraudulent injury claims, using lawful surveillance, scene documentation, and detailed statements to support accurate claim decisions and risk management.
We help businesses identify theft, policy violations, and internal risks. From isolated concerns to ongoing losses, our investigators deliver documented findings that support accountability and protect your assets.
We protect intellectual property with discreet, defensible investigations, identifying infringement, documenting misuse, and preserving evidence that supports claim evaluation and effective litigation strategy.
Employee theft investigations confirm or rule out misconduct discreetly and lawfully, documenting clear, objective findings that support sound decisions while reducing risk, loss, and tension inside your business.
Accurate, actionable intelligence on companies, executives, and operations. We uncover risks and misconduct through discreet methods, supporting due diligence, planning, and risk management with full confidentiality.
We trace assets that are concealed, improperly transferred, or overlooked in financial disputes, showing where value truly exists so decision makers can protect interests, assess risk, and recover with confidence.