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Excellence in Investigation, Integrity in Service

At Inter-State Investigative Services, we're proud to be Arizona's trusted private investigation firm, serving clients across the state for over 30 years. Our team of seasoned investigators is dedicated to providing professional, discreet, and courteous services to individuals, attorneys, insurance companies, and businesses alike.

Our Services

We offer a comprehensive range of investigative services, including:

  • Asset Investigation and Verification
  • Insurance Investigator
  • Background Screenings
  • Pre-Indictment Investigations
  • Special Assistance in Mexico

Civil Cases

Our civil case services include judgement enforcement, witness development and nullification, background investigation, and jury selection. We understand the importance of thorough investigation in civil cases and provide our clients with expert services to help them achieve their goals.

Criminal Cases

Our criminal case services include pre-indictment investigations, post-indictment investigations, and special assistance in Mexico. We have a proven track record of success in helping our clients navigate the complex criminal justice system.

Insurance Cases

We provide exceptional insurance claim and fraud investigations, helping insurance companies and businesses to uncover the truth and make informed decisions.

Domestic Cases

Our domestic case services include child custody disputes, divorce cases, background investigations, and adoption cases. We understand the sensitive nature of domestic cases and provide our clients with compassionate and discreet services.

Why Choose Us

At Inter-State Investigative Services, we pride ourselves on our integrity, confidentiality, and professionalism. Our team is comprised of licensed and insured investigators with diverse backgrounds and continuous training. We have an esteemed A+ rating from the Better Business Bureau and are committed to delivering the highest level of service to our clients.

Reviews (27)
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Positive: The reviews praise Inter-State Investigative Services for their exceptional service, professionalism, and dedication to delivering high-quality results.

Exceptional Service and Professionalism

The reviews universally praise Inter-State Investigative Services for their exceptional service, professionalism, and dedication to delivering high-quality results. The team is commended for their tireless efforts, meticulous attention to detail, and ability to uncover crucial information that helps clients achieve their goals.

Timely and Efficient

Clients appreciate the timely and efficient manner in which the team works, often exceeding expectations and producing results quickly. The team's ability to work across multiple states and jurisdictions is also highlighted as a valuable asset.

Effective Communication

Communication is a key strength of Inter-State Investigative Services, with clients praising the team's responsive and empathetic approach. The team keeps clients informed throughout the process, providing regular updates and ensuring that they are fully informed throughout the investigation.

Expertise and Knowledge

The team's expertise and knowledge in their field are highly regarded, with clients appreciating their ability to navigate complex cases and uncover critical information. The team's ability to think outside the box and find creative solutions is also highlighted as a valuable asset.