ATB Investigations

About ATB Investigations

Experience You Can Trust

Founded in 1991, ATB Investigations has been providing professional private investigation services throughout Los Angeles and Southern California for over three decades.

• Licensed California Private Investigator
• Member of California Association of Licensed Investigators
• Over 30 years of investigative experience
• Confidential and discrete services
• Free initial consultations

Los Angeles Private Investigator

Professional Investigation Services Since 1991

When you need a trusted private investigator in Los Angeles, ATB Investigations delivers results. Our licensed private investigators have over 30 years of experience handling complex cases throughout Southern California.

We specialize in comprehensive investigation services including surveillance, background checks, fraud detection, and evidence gathering. Our team maintains the highest standards of professionalism and confidentiality while delivering court-admissible evidence for your case.

• California Licensed Private Investigator
• Over 30 years of investigative experience
• 24/7 emergency services available
• Confidential and discrete operations
• Court-admissible evidence collection
• Competitive rates and free consultations

Infidelity Investigation

Discreet Cheating Spouse Investigations

Suspicions of infidelity can be emotionally devastating. Our compassionate investigators provide discrete infidelity investigation services to uncover the truth while protecting your privacy and emotional well-being.

We use advanced surveillance techniques, digital forensics, and evidence collection methods to provide you with definitive answers. Our team understands the sensitive nature of these cases and handles each investigation with the utmost discretion.

• 24/7 surveillance and monitoring
• Digital evidence collection and analysis
• GPS tracking (where legally permitted)
• Background checks on suspected parties
• Photographic and video evidence
• Comprehensive detailed reports

Insurance Fraud Investigation

Uncover Insurance Fraud & Save Money

Insurance fraud costs companies billions annually. Our experienced investigators specialize in uncovering fraudulent claims, saving insurance companies significant money while ensuring legitimate claims are processed fairly.

We conduct thorough investigations including surveillance, background checks, witness interviews, and evidence collection to build strong cases against fraudulent claimants.

• Workers' compensation fraud investigation
• Auto insurance fraud detection
• Disability claim verification
• Surveillance and activity checks
• Social media investigation
• Medical records analysis

Surveillance Services

Professional Surveillance & Monitoring

Our professional surveillance services provide real-time monitoring and evidence collection for various situations. We use state-of-the-art equipment and proven techniques to gather the information you need.

Whether for legal proceedings, insurance claims, or personal matters, our surveillance team maintains complete discretion while documenting activities and behaviors with high-quality photo and video evidence.

• Mobile and stationary surveillance
• High-definition photo and video documentation
• GPS tracking services (legally compliant)
• Covert observation techniques
• Real-time reporting and updates
• Court-admissible evidence collection

Process Service Los Angeles

Fast & Reliable Legal Document Service

Professional process service throughout Los Angeles County and Southern California. We ensure your legal documents are served promptly and properly, meeting all legal requirements and deadlines.

Our process servers are experienced professionals who understand the importance of proper service and documentation for legal proceedings.

• Same-day and rush service available
• Statewide process service coverage
• Skip tracing for difficult-to-locate individuals
• Proof of service documentation
• Court filing services
• Competitive flat-rate pricing

Digital Forensics

Computer & Mobile Device Investigation

Our certified digital forensics experts recover and analyze digital evidence from computers, smartphones, tablets, and other electronic devices. We handle everything from deleted file recovery to complex cybercrime investigations.

Using industry-standard tools and forensically sound procedures, we ensure all digital evidence is properly preserved and admissible in legal proceedings.

• Computer forensics and data recovery
• Mobile device investigation (iOS/Android)
• Email and social media analysis
• Deleted file and data recovery
• Internet history investigation
• Expert witness testimony

Background Check Services

Comprehensive Personal & Employment Screening

Thorough background investigations for personal, business, and legal purposes. Our comprehensive background checks provide detailed information to help you make informed decisions about relationships, business partnerships, or employment.

We conduct legal, ethical background investigations using multiple databases and verification methods to ensure accuracy and completeness.

• Criminal history searches
• Employment and education verification
• Civil court records review
• Asset and financial investigations
• Reference checks and interviews
• Social media and online presence analysis

Fugitive Recovery

Skip Tracing & Location Services

Professional skip tracing and fugitive location services for bail bondsmen, attorneys, and collection agencies. Our investigators use advanced databases and investigative techniques to locate individuals who have disappeared or are avoiding legal obligations.

We specialize in finding people who don't want to be found, using both traditional investigation methods and cutting-edge technology.

• Advanced database searches
• Asset and property investigations
• Employment and income verification
• Social network analysis
• Surveillance and field investigation
• Fast turnaround and reporting

Corporate Investigation

Business Fraud & Employee Investigation

Protect your business with professional corporate investigation services. We help companies uncover employee theft, fraud, industrial espionage, and other threats to business operations and reputation.

Our corporate investigators have extensive experience in business environments and understand the need for discrete, professional investigations that protect company interests.

• Employee background screening
• Internal theft and fraud investigation
• Industrial espionage detection
• Competitive intelligence gathering
• Due diligence investigations
• Workplace harassment investigations

Child Custody Investigation

Protecting Children's Best Interests

Child custody investigations require sensitivity and professionalism. Our investigators document parenting behaviors, living conditions, and other factors that may affect custody decisions, always prioritizing the child's safety and well-being.

We provide objective, documented evidence to help courts make informed custody decisions based on facts rather than allegations.

• Parental fitness evaluations
• Living condition assessments
• Substance abuse documentation
• Supervision and visitation monitoring
• Background checks on new partners
• School and activity participation tracking

Workers Compensation Fraud

Verify Injury Claims & Prevent Fraud

Workers' compensation fraud investigations help employers and insurance companies verify the legitimacy of injury claims. Our investigators document actual physical capabilities versus claimed limitations to prevent fraudulent payouts.

We conduct comprehensive investigations including surveillance, activity checks, and background research to build strong cases against fraudulent claims.

• Injury claim verification
• Activity level surveillance
• Medical records analysis
• Social media investigation
• Employment status verification
• Expert witness testimony

Asset Investigation

Locate Hidden Assets & Financial Holdings

Professional asset investigation services for attorneys, creditors, and individuals involved in divorce, judgment collection, or business disputes. We uncover hidden assets and financial holdings using legal investigative methods.

Our asset searches include real estate, bank accounts, investments, business interests, and personal property to provide a complete financial picture.

• Real estate holdings investigation
• Bank account and financial searches
• Business ownership investigations
• Investment and retirement account searches
• Personal property documentation
• Comprehensive asset reports

Missing Person Investigation

Locate Missing Family Members & Loved Ones

Compassionate missing person investigation services to help families reunite with loved ones. We use advanced search techniques, databases, and investigative methods to locate missing persons quickly and safely.

Every missing person case receives immediate attention and thorough investigation using all available resources and cutting-edge technology.

• Comprehensive database searches
• Social media and online investigations
• Field investigation and interviews
• Hospital and morgue checks
• Law enforcement coordination
• 24/7 emergency response available

Cyber Investigation

Online Fraud & Cybercrime Investigation

Specialized cyber investigation services for online fraud, cyberbullying, harassment, and digital crimes. Our cyber investigators use advanced techniques to track online criminals and gather digital evidence.

We handle cases involving social media harassment, online threats, identity theft, and other cybercrimes affecting individuals and businesses.

• Social media harassment investigation
• Online dating scam detection
• Identity theft investigation
• Cyberbullying documentation
• Email and IP address tracing
• Digital evidence preservation

Licensed Private Detective

California Licensed Investigation Professionals

All ATB Investigation team members are California licensed private detectives with extensive training and experience. Our licensing ensures we operate within legal boundaries while providing the highest quality investigative services.

As licensed professionals, we maintain strict ethical standards, continuing education requirements, and full insurance coverage for your protection.

• California state licensed investigators
• Fully insured and bonded
• Member of professional associations
• Continuing education and training
• Ethical investigative practices
• Court-qualified expert witnesses

24/7 Investigation Services

Emergency Response Available Around the Clock

When you need immediate investigative assistance, ATB Investigations provides 24/7 emergency response services. Time-sensitive cases require immediate action, and we're always ready to respond.

Our emergency services include urgent surveillance, evidence preservation, witness interviews, and other critical investigative tasks that cannot wait for regular business hours.

• 24/7 emergency hotline available
• Immediate response for urgent cases
• Weekend and holiday availability
• Emergency evidence preservation
• Urgent surveillance deployment
• Crisis situation investigation

Court Evidence Collection

Legal Documentation & Expert Testimony

Professional evidence collection services that meet legal standards for admissibility in court proceedings. Our investigators understand legal requirements and ensure all evidence is properly documented and preserved.

We provide expert witness testimony and comprehensive reports that stand up to legal scrutiny in civil and criminal proceedings.

• Legally admissible evidence collection
• Chain of custody documentation
• Expert witness testimony
• Comprehensive investigation reports
• Photo and video documentation
• Court presentation preparation

Undercover Investigation

Covert Operations & Intelligence Gathering

Specialized undercover investigation services for cases requiring covert intelligence gathering. Our experienced undercover investigators blend seamlessly into various environments to gather critical information.

Undercover operations are conducted with strict adherence to legal and ethical guidelines while maintaining complete operational security and investigator safety.

• Workplace infiltration investigations
• Criminal activity documentation
• Insurance fraud undercover work
• Corporate espionage detection
• Drug trafficking investigations
• Covert surveillance operations

Financial Fraud Investigation

Uncover Financial Crimes & Money Trails

Complex financial fraud investigations require specialized expertise. Our investigators trace money trails, analyze financial documents, and uncover fraudulent schemes affecting individuals and businesses.

We work with forensic accountants and financial experts to build comprehensive cases against financial criminals and recover stolen assets.

• Ponzi scheme investigations
• Embezzlement detection
• Money laundering investigations
• Investment fraud analysis
• Bank fraud documentation
• Asset recovery assistance

Social Media Investigation

Digital Footprint Analysis & Online Evidence

Comprehensive social media investigation services to uncover digital evidence from Facebook, Instagram, Twitter, LinkedIn, and other platforms. We analyze online behavior, connections, and activities for legal and personal cases.

Our social media investigations help in custody cases, employment screening, fraud detection, and cyberbullying situations by documenting online activities and communications.

• Facebook and Instagram investigation
• Dating app profile analysis
• Online harassment documentation
• Digital relationship investigations
• Social network mapping
• Screenshot and evidence preservation