3 Best Private Investigation Service in Fresno, CA

Expert-recommended Top 3 Private Investigation Service in Fresno, California. All of our private investigators actually face a rigorous 50-Point Inspection, which includes customer reviews, history, complaints, ratings, satisfaction, trust, cost and general excellence. You deserve only the best!

7+ YEARS IN TBR
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ATLANTIS PRIVATE INVESTIGATIONS

5430 North Palm Avenue, Suite 110,
Fresno, CA 93704 Directions

Since 2011

Specialty:

Digital Forensics Missing Persons Background Checks Infidelity and Cheaters Screening Services Services for Sovereign Nations Family Law Asset Investigations Business Solutions Surveillance Asset Discovery and Analysis Political Consulting Workplace Investigations Due Diligence Pre-Litigation Analysis Fraud Investigation Services Investigative Services for Tribal Governments Litigation Support Services

"Atlantis Private Investigations is a full-service private investigation company ready to start an investigation in several different locations. The firm founded by Michael Braa. The principles of investigative research have evolved in the age of information. They understand that every case is unique and work directly with their clients to develop the right approach for their specific needs. Their ability to adapt to different investigative challenges, industries, and jurisdictions is what sets them apart. Atlantis Private Investigations has handled thousands of investigations, each one with the same level of professionalism and precision. Their team is committed to executing each assignment with efficiency, expertise, and cost-effectiveness. They handle, process, evaluate, and present data in a meticulous manner, ensuring completeness and accuracy. The agency offers a free consultation to their customers.

2026 Highlights: Featured on ABC, CBS, and NBC, they offer confidential, high-quality investigative services."

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License #188611 | #B20260147952

Price:

Investigation Services From $50 - $200

Contact:

(559) 478-8220 (855) 478-3930

Mon-Sat: 9am - 5pm
Sun: Closed

TBR® Inspection Report:

8+ YEARS IN TBR
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SIA INVESTIGATIONS, INC.

2014 Tulare Street, Suite 715,
Fresno, CA 93721 Directions

Since 1986

Specialty:

Background Checks Cohabitation Nationwide Public Records Research and Retrieval Hidden Assets and Searches Witness Statements Undercover Operations Countermeasures Debugging Excessive Internet Activity Bug Sweeps Social Media Investigations Infidelity Workplace Family Law Child Custody and Covert Surveillance Internal Theft Investigations Missing Persons Pre-Employment Screening Criminal Executive Fraud Process Serving Computer Forensics

"SIA Investigations, Inc. offers a friendly, knowledgeable, and results-oriented staff with over 50 years of experience. The firm is led by Matthew D. Dellepere, P.I., who is proud of his affiliation with the California Association of Licensed Investigators and the World Association of Detectives. They offer superior communication skills and are trained to understand your circumstances and address your needs. Their mission is to assist you in shedding light on your situation, enabling you to make informed decisions. They are committed to proposing strategic solutions with empathy, sensitivity, confidentiality, and the utmost respect for your circumstances. SIA Investigations assures clients that their investigators are qualified and reliable. Their investigators and support staff must pass rigorous criminal background checks. Their detective work incorporates the latest technology and resources, many of which are only available to licensed investigators. They are networked with local investigators, offering prospective clients local and competitive rates domestically and internationally.

2026 Highlights: Their investigative reach can span over 90% of the world to handle any simple or complex case you may have."

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License #25578

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TBR® Inspection Report:

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DARK HORSE INTELLIGENCE

4733 West Spruce Avenue Fresno, CA,
Fresno, CA 93722

Since 2015

Specialty:

Background Checks Crypto Recovery Surveillance Missing Persons Skip Tracing Fraud AML Forensic Polygraph Examinations (Lie Detector Tests) Immigration Polygraph Surveillance Background and Asset Investigations Infidelity and Child Custody Corporate and Litigation Support Due Diligence Cryptocurrency and Blockchain Recovery TSCM Bug Sweeps Digital Privacy Executive Protection Digital Forensics Cybersecurity IT Security

"Dark Horse Intelligence is delivering critical domestic and international intelligence services. Their goal is to uncover the truth and provide clear answers. Their team has examiners who have over 30 years of experience. Their expert consulting helps Fortune 500 companies, investment firms, and individuals tackle complexity, manage crises, and thrive. Dark Horse Intelligence combines deep experience, advanced methods, and industry insights to deliver effective strategies for sustainable growth. They offer strategic counsel and tailored support to meet your unique needs. They pride themselves on providing advanced solutions and intelligence that enable clients to anticipate future trends and gain a lasting competitive advantage. They stand as the foremost private investigation agency, delivering unparalleled insights, data-driven strategies, and cutting-edge technology to keep their clients ahead of evolving challenges.

2026 Highlights: They support corporations, investment firms, legal teams, and private clients with confidential, evidence-driven intelligence solutions designed to reduce risk, manage crises, and protect assets. Tom Chavez led Dark Horse Intelligence. He is a licensed Member of the California Association of Licensed Investigators (CALI), a California BSIS licensed firm, and a certified forensic polygraph examiner. He personally oversees casework. His team handles sensitive matters with discretion, precision, and evidence documented to a court-admissible standard. Dark Horse Intelligence keeps forensic polygraph in-house rather than outsourcing it, pairing licensed investigations with accredited lie detector or forensic polygraph examinations under one roof. They are Chainalysis Reactor Certification (CRC), Chainalysis Cryptocurrency Fundamentals Certification (CCFC), and blockchain investigators for crypto recovery, fraud, and AML. They are an FBI InfraGard member with active working relationships with the FBI, U.S. Secret Service, and USPIS."

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License #189614

Price:

Forensic Polygraph Examination (Lie Detector Test) From $565
Standard Investigation/Surveillance From $150
To $350
Background & Due-Diligence Investigations From $350

Discount:

Get $50 Off Your First Forensic Polygraph Examination. [USE CODE: THREEBESTRATED]

Contact:

(800) 462-3001

Open 24 Hours

TBR® Inspection Report:

Frequently Asked Questions About Private Investigation Service in Fresno, CA
Your detailed and factual answers win more customers, highlight your expertise, build trust, and set you apart from competitors

Carefully selected questions to evaluate important aspects. Comparing the answers helps you choose the service that best suits your needs.

1. Do you provide written investigation reports?
Atlantis Private Investigations - Submit now
SIA Investigations, Inc. - Submit now
Dark Horse Intelligence
Yes. Dark Horse Intelligence provides detailed, professionally documented written investigative reports. Depending on the matter, reports may include background-check findings, surveillance logs and activity summaries, interview statements, photographs and video, public-records and OSINT research, social-media findings, asset searches, timelines, and forensic polygraph examination results. Reports are prepared to a standard suitable for use in legal proceedings and delivered confidentially to the client or their attorney.
2. What types of surveillance services do you provide? 3. What qualifications and licenses do you hold in Fresno, CA? 4. What legal guidelines do you follow during investigations? 5. What is the cost range for your services in Fresno, CA? 6. How do your investigation services help individuals and businesses? 7. How many years have you been providing investigation services? 8. How do you keep clients informed about case progress? 9. How long does it take to locate missing persons or witnesses? 10. How do you maintain client confidentiality?