California's Top Investigator

Personal and Corporate Private Investigation Services

With over two decades of experience, Peterson Investigations can help you solve issues for you or your business. Call today to learn more.

BEST PRIVATE INVESTIGATION & SECURITY SERVICES IN CALIFORNIA

The Best Private Investigation firm In Southern California

Why Choose Peterson Investigations?

Peterson Investigations finds proof and information to protect you or your business.  Every case is different and our approach is different depending on the background and issues to be solved.

Contact us today for a free consultation and estimate so we can help you.

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Years of Experience
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Background Checks
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Threat Assessments
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Surveillance Cases

OVER 200 X 5 STAR ONLINE REVIEWS!

* PRIVATE SERVICES * CORPORATE SERVICES * SECURITY SERVICES *

Practice Areas

When you don’t know where to turn to handle sensitive issues pertaining to you or your family, you will be relieved to know that the detectives at Peterson Investigations genuinely care about your family and will go to any length to help you.

surveillance

Surveillance can take on many forms and is usually used to further an ongoing investigation. Catch them red handed with Peterson Investigations.

PROCESS SERVICE

A process server is a person who delivers documents that notify a person when legal action is taken against them. We handle the difficult process service.

INTERVIEWS

Once the private investigator finds a witness with information valuable to an investigation, then the lawyer may schedule what is known as a deposition for the witness.

BACKGROUND CHECK

Reference and background inquiries allow an employer to verify information provided by the applicant. Learn more about our background investigations.

CRIMINAL CASES

A process server is a person who delivers documents that notify a person when legal action is taken against them. Contact us to help you clear your name

POLYGRAPH EXAM

Today, polygraph examiners focus on biometric measures to identify when someone isn’t telling the truth. In many cases, polygraph exams are extremely useful.

LOCATION SERVICES

Finding a person’s current residence or work address is a type of investigation frequently requested by companies and private parties.

CIVIL CASE WORK

Busy court dockets can result in years passing before cases can get to trial. Legal fees and expenses for a trial can total tens of thousands of dollars.

WORKPLACE THEFT

Every business has a role to investigate and stop any occurrences of embezzlement and theft. Let Peterson Investigations help you reduce or stop workplace theft.

Investigative Services

Did we mention
the first consultation is free?

Peterson Investigations is a full service, licensed private investigations agency that was established by former Los Angeles detective, Eric Peterson.

Free Initial Consultation

Send Peterson Investigation a message and let us know how we can help.

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Recent Articles

Read articles about Private Instatigation and some crazy stories about life in the P.I. practice