Private Investigators in Fullerton California

If you’re looking for a Fullerton private investigator, Systematic Inquiry Group is just what you need. We provide a range of corporate security and private investigation services to help you solve and prevent crimes against your company.

Why choose Systematic Inquiry Group for Fullerton investigations?

After 25+ years in private investigations, our Lead Investigator Michael Wojtanowicz, J.D. has the hands-on experience, legal expertise, and extensive network of specialists necessary to resolve your case.

  • License Number PI 16156
  • Juris Doctor
  • Member of Association of Certified Fraud Examiners
  • Member of the California Association of Legal Investigators
  • Member of the American Society for Industrial Security
  • Member of the National Council of Investigation and Security Services
  • Former National Security Director of 400-unit nationwide restaurant chain

 How we can help

Our Fullerton private investigation and security services include:

  • Employee theft and fraud investigations
  • Background checks
  • Interviews and interrogations
  • Employee drug use investigations
  • Skip tracing
  • Electronic and undercover surveillance
  • Sexual harassment investigations
  • Workers’ compensation fraud investigations
  • Security consulting
  • Restaurant food loss program

Our services are provided with skill and professionalism, and it shows in our results. To see what other clients have to say, take a look at our testimonials and case studies.

If you need to solve a crime at your Fullerton business, call us today at 714-406-4618. We can also help you reduce your risk of internal theft and fraud, so don’t wait until something happens; contact us to discuss our corporate security consultations!


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