Services
Trusted Investigations Backed by Decades of Experience
Most Trusted Services in California
Decades of Experience You Can Rely On
We provide specialized investigative and legal support for attorneys, businesses, insurers, and individuals. Our top services focus on the areas where we deliver the greatest impact, uncovering fraud, locating witnesses, protecting assets, and keeping legal cases on track. With decades of proven results, these six services are the foundation of why clients across California trust us.
Employment Law Services
We support plaintiff employment law firms in Class Action and PAGA cases through employee list research and professional bilingual witness outreach that supports discovery, notice, and case strategy.
Difficult Service of Process
When traditional service attempts are unsuccessful, our licensed investigators use research, surveillance, and targeted field strategies to complete difficult service of process lawfully and efficiently.
Asset Investigations
We conduct asset investigations for attorneys handling complex cases, uncovering concealed property, layered ownership, and financial affiliations that impact settlement and recovery outcomes.
Estate & Probate
We support probate attorneys with verified investigative findings that clarify asset ownership, beneficiary details, and financial activity, providing clear documentation to strengthen filings and case strategy.
Cheating Spouse
We conduct confidential cheating spouse investigations using licensed investigators, careful surveillance, and clear reporting to confirm or disprove suspicions with professionalism and respect.
Subrosa Surveillance
Professional subrosa surveillance for insurance claims, providing objective documentation that highlights inconsistencies between reported injuries and observed behavior.
All Services
Comprehensive Investigative Solutions
Tristar Investigation delivers a wide range of professional investigative services, carefully tailored to meet the needs of individuals, attorneys, businesses, and insurance companies.
Employment Law Services
We help employment law teams gain early clarity by organizing employee data and conducting witness outreach that supports informed Class Action and PAGA case decisions.
Difficult Service of Process
Advanced service of process for challenging cases, combining investigative research, personal patterns analysis, and discreet field tactics to serve evasive individuals while meeting legal requirements.
Asset Investigations
We assist attorneys with pre-settlement asset investigations that identify collectible assets, verify net worth, and strengthen negotiation leverage against defendants and insurers.
Estate & Probate
Trusted by probate attorneys across California, we provide discreet investigative support that delivers verified information and clarity in complex estate administration and contested matters.
Injury Surveillance
Discreet injury surveillance that helps defense attorneys evaluate claim validity by documenting real-world activity, identifying inconsistencies, and supporting informed decisions in injury-related cases.
Background Checks
Background checks for attorneys that verify identity, review history, and uncover relevant details to support due diligence, credibility assessment, and informed case preparation.
Accident Investigations
Accident investigations that help attorneys establish facts, clarify liability, and support case strategy with verified evidence, detailed documentation, and professional investigative analysis.
Witness Statements
We conduct professional witness interviews and prepare documented statements that give attorneys dependable testimony to evaluate claims, prepare filings, and strengthen case presentation.
Bankruptcy and Foreclosure Fraud
Bankruptcy and foreclosure fraud investigations that help attorneys uncover hidden assets, fraudulent filings, and misrepresentations, providing court-ready evidence to support litigation and recovery efforts.
Spouse/Domestic Surveillance
When trust is uncertain, our licensed investigators document a partner’s activities with professionalism and care, providing clear evidence that helps individuals make informed personal or legal decisions.
Missing Persons
Attorneys rely on Tristar for discreet, results driven missing persons investigations that support litigation, asset recovery, and case development. Our licensed investigators locate hard to find individuals.
Intellectual Property
Investigations designed to uncover intellectual property misuse, delivering clear findings that support enforcement actions and help businesses safeguard their innovations and reputation.
Divorce Law
Attorneys rely on Tristar for discreet, results driven missing persons investigations that support litigation, asset recovery, and case development. Our licensed investigators locate hard to find individuals.
Employee List Research
Attorneys rely on Tristar for discreet, results driven missing persons investigations that support litigation, asset recovery, and case development. Our licensed investigators locate hard to find individuals.
Witness Outreach
Attorneys rely on Tristar for discreet, results driven missing persons investigations that support litigation, asset recovery, and case development. Our licensed investigators locate hard to find individuals.
Missing Plaintiff
Attorneys rely on Tristar for discreet, results driven missing persons investigations that support litigation, asset recovery, and case development. Our licensed investigators locate hard to find individuals.
Business Investigations
Attorneys rely on Tristar for discreet, results driven missing persons investigations that support litigation, asset recovery, and case development. Our licensed investigators locate hard to find individuals.
Asset Investigations
We conduct asset investigations for individuals to verify ownership, identify concealed assets, and provide reliable information handled with care and confidentiality.
Cheating Spouse
With 40 + years of experience, we provide discreet cheating spouse investigations that document real-world behavior accurately while protecting privacy and handling every case with care.
Background Checks
Discreet background checks for individuals seeking clarity and peace of mind, providing verified information to help you make confident personal decisions.
Fraud and Scams
We investigate fraud and scams with urgency and discretion, gathering reliable, court-ready documentation that helps victims understand what happened and take informed next steps.
Runaway Teenagers
Runaway teenager investigations that help families locate missing teens quickly, confirm their safety, and bring clarity during stressful and uncertain situations.
Missing Persons
Missing person investigations that help families locate loved ones, get clear answers, and move forward with reliable information during uncertain and emotional times.
Subpoena Services
Subpoena services that help individuals ensure legal documents are served correctly, on time, and with proper documentation that meets court requirements.
Child Protection
Professional child protection investigations that document visitation compliance, identify safety concerns, and provide reliable information to support custody decisions and a child’s well-being.
Divorce
Divorce investigations that uncover hidden assets, verify conduct, and document relevant behavior, giving clients and attorneys clear facts to support fair settlements and custody decisions.
Estate & Probate
Trusted by probate attorneys across California, we provide discreet investigative support that delivers verified information and clarity in complex estate administration and contested matters.
Subrosa Surveillance
We conduct compliant subrosa surveillance to capture clear video, observations, and timelines that give insurers reliable insight into claimant activity and injury-related behavior.
Background Checks
Background checks designed for insurance defense teams, delivering verified claimant information and organized findings that support thorough claim review and fraud detection efforts.
Workers Comp Fraud Subrosa
Workers’ compensation fraud investigations combining subrosa surveillance, analysis, and detailed documentation to verify claims and support accurate case outcomes.
Insurance Accident Investigations
We conduct insurance accident investigations to uncover inconsistencies, identify potential fraud, and provide reliable documentation that helps insurers and attorneys evaluate accident-related claims.
Bilingual Claims Investigator
We provide bilingual claims investigators who conduct interviews, gather statements, and document evidence in Spanish and English to reduce miscommunication and support accurate claim decisions.
Worker Compensation AOE – COE
Our AOE–COE investigations help insurance professionals verify whether reported injuries truly arose out of and occurred within the course of employment, supporting accurate claim evaluation and defensible decisions.
Skip Tracing
We use proven skip tracing methods to locate people quickly and accurately, helping individuals reconnect, verify contact information, or resolve personal matters.
Business Surveillance
We conduct business surveillance to uncover internal misconduct, verify concerns, and deliver clear documentation that supports informed management and legal action.
Background Checks
We provide background investigations for businesses to confirm histories, identify potential red flags, and support sound decisions involving employees, vendors, or partners.
Workers Comp Fraud Investigations
Workers’ comp fraud investigations that help businesses verify injury claims, uncover exaggerated activity, and reduce unnecessary costs through clear, documented evidence.
Loss Prevention
We support businesses with loss prevention investigations designed to uncover theft, fraud, and misconduct, helping management address vulnerabilities before losses escalate.
Intellectual Property
Investigations designed to uncover intellectual property misuse, delivering clear findings that support enforcement actions and help businesses safeguard their innovations and reputation.
Employee Theft
We investigate suspected employee theft by documenting misconduct, identifying patterns, and delivering reliable findings that support informed management and HR decisions.
Corporate Intelligence
Our corporate intelligence services help organizations identify fraud, insider risk, and due diligence gaps by delivering actionable findings that support informed executive and legal decision-making.
Asset Recovery
Asset recovery investigations help businesses locate hidden or misappropriated assets through financial tracing, property research, and clear documentation that supports recovery and enforcement efforts.
Service Areas
We serve all of California and the USA
Our licensed investigators provide trusted support across California, delivering professional results for individuals, businesses, attorneys, and insurers statewide.
Newport Beach
Irvine
Santa Ana
Chula Vista
Beverly Hills
Glendale
Riverside County
San Bernardino
Santa Clara County
Bakersfield
Anaheim
San Francisco
Sacramento
Alameda County
Fresno
Long Beach
Oakland
San Jose
San Diego
Los Angeles