Cheating Spouse Surveillance Investigation Experts

Corporate Investigations

Corporate Investigations

Our investigators are contracted by different companies in businesses to assist with corporate issues that span from Sexual harassment, Theft of Company Property, Drug and Alcohol Abuse, Fraud, and Workplace Violence.

Domestic Investigations

Domestic Investigations

At Herrera Investigative Services, our goal is to help put your mind at ease, whether you suspect infidelity, require surveillance due to custody concerns, or want to know more about those near to you and your family.  We offer a variety of services to help you to sleep easy.

Herrera Investigative Services

Herrera Investigative Services, is a full service, licensed (BSIS #20523) and insured Private Investigative firm operating since 1995 and headquartered in Torrance, CA.

Our private investigative services area extends throughout California, across the United States and into several strategically located foreign countries in Europe, Mexico, South and Central America.

Herrera Investigative Services, Inc.

California’s Investigative Specialists!

Free Consultation

Investigation Specialties

Herrera Investigative Services, offers different levels of searches and investigations to meet your individual needs and requirements. Our goal is to find a service that fits your personal needs, rather than offer a catch-all investigation.

Criminal Background Check

Criminal Background Checks

We work with a number of online database service providers and utilize field investigators to conduct the background checks that meet our clients’ needs.

Missing Person Investigations

Working with strategic partners across the United States, our private investigators are able to help families in need of locating a missing person or loved one.

Workplace Violence

Over the years, our corporate clients hire our team of investigators to assist in workplace violence, harassment issues, and threats across California.

Free Case Evaluation

We want to hear from you. Please use the form listed below to send us a discreet and anonymous e-mail. We will get back to you as quickly as possible. If you would like to send us a direct email, you can do so by sending us an e-mail to – info@herrerapi.com – a licensed investigator will respond to your e-mail as quickly as possible.

Please understand that we will only discuss case information with our clients, if you have any questions about the status of your case, we are not able to respond to that over this message form. You will have to e-mail us directly from the e-mail we have on file for you, or you may contact our office at 626-705-0600

Letting go of an employee after a violent altercation was a difficult and stressful situation for our company. As you were able to see from how carefully we threaded the water, thank you for helping us resolve the issue and keeping our company safe during the process.

Workplace Violence
Workplace Violence

The Herrera Philosophy

We understand that you have different options when it comes to hiring a private investigator to meet your needs. Our private investigators are equipped with the latest investigative equipment and are given access to the most up to date database research tools and resources. At Herrera Investigative Services, we offer our clients more than tireless efforts and promises. We offer our clients the top shelf customer service that they deserve. We do this by mixing decades of experience and tenacity with modern day accuracy.

At Herrera Investigative Services, we will always put our Customers first and strive to help them find the solutions they need while avoiding the solutions that will only cost them money. Rest assured, Herrera Investigative Services will always work with our client’s best interests in mind.

Association Memberships & Awards

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Top Rated Investigator