Unbeatable Results!
I have been doing business with Phase Four Investigations since its inception. The results I receive on surveillance, background investigations, and other services are unbeaten by other investigation firms. Requests are handled professionally, in a timely manner and are never over budget. Phase Four is at the top of my list! Vicki, Southfield MI Insurance Adjuster
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Full-Service Professional Investigative Services in Michigan

Michigan Licensed Private Investigator | Phase Four Investigations - image-content-investigatorPhase Four Investigations in Mt. Clemens has been Michigan's most trusted private investigation company for more than 35 years. We are a leader in the field of private investigations, surveillance, security services, evidence-gathering, pre-employment screening, and information services.

We are always mindful that, while our job is to collect data, we work with people. We regularly handle sensitive cases involving child custody, infidelity, fraud, and business-related crimes. We handle our cases quickly, confidentially, and with sensitivity to offer you the best service with the least amount of disruption.

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Fully Bonded, Licensed, and Insured

Our team of investigators, surveillance experts, technicians, and process servers are located across Michigan and work diligently to provide the evidence you need. We use state-of-the-art technology and processes to gather, decipher, and organize information. We have worked with large and small law firms nationwide, as well as insurance adjusters, companies, and individuals. Our goal is to meet and exceed your surveillance, evidence gathering, and other investigative needs.

Our Most Requested Investigative Services Include:

  • GPS Tracking Services
  • Evidence Gathering
  • Bugging
  • Surveillance
  • Hidden Cameras
  • Discovery and Evidence
  • Security Services
  • Judgment Recovery
  • Insurance Fraud
  • Child Abuse/Neglect
  • Workman's Comp Fraud
  • Fraud & Embezzlement
  • Investigations
  • Termination Assistance
  • Witness Interviews
  • Deadbeat Parents
  • Cheating Spouse
  • Pre-Employment Checks
  • Background Checks
  • Process Serving

If you don’t see a service you are looking for, please call us. This is only a partial list of everything we can do for you!

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