About Peterson Investigations

Why Choose Us?

At Peterson Security Group, we pride ourselves on being a premier private security company dedicated to safeguarding our clients’ interests with unwavering commitment and unmatched expertise. Founded in 2015, our agency has emerged as a trusted name in the security industry, delivering comprehensive solutions tailored to meet the unique needs of our diverse clientele. With a team of highly skilled and experienced professionals, we specialize in providing top-notch investigative services, executive protection, risk assessment, and surveillance solutions. Our mission at Peterson Security Group is to ensure the safety and peace of mind of our clients by delivering unparalleled security services that prioritize integrity, discretion, and effectiveness. We are devoted to upholding the highest standards of professionalism while fostering a safe environment for our clients to thrive in. Trust us to protect what matters most, because at Peterson Security Group, your security is our utmost priority.

Former LAPD Detective

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

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


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.


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.


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


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


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


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


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.


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.

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