Global Investigative Group, a licensed private investigative agency, is dedicated to providing clients with the highest quality of investigative services that are ethical, thorough, and cost effective. We put clients first to protect their legal rights by finding the truth.

Global Investigative Group's president and principal investigator, Walt Zalisko, is a retired chief of police and one of the most respected investigators in the industry. Established in 1998, the agency has built a reputation for providing exceptional services to attorneys, insurance companies, Fortune 500 corporations, celebrities, and private clients worldwide.

Having a large staff of investigators on our team, and an extensive network of global partners, allows us to operate not only in United States but also internationally. Whether your case is personal or professional, large or small, local or international, we get the evidence you need.

As a Florida Justice Administrative Commission (JAC) approved agency we provide criminal defense investigations to assist individuals accused of crimes. 

Our Board Certified investigators, have a record of experience, training, and specialized skills which add expertise and credibility to your case. They adhere to high ethical and professional standards, and maintain continuous in-service training. 

Let us become your partner in litigation preparation and investigations. Find out why we are an industry leader and the preferred choice of attorneys and private individuals. 

  Areas of Practice

Global Investigative Group

2655 N. Airport Rd.  - POB 60753

Fort Myers,  FL  33907 

Toll Free: (855) 444-7448  


State of Florida License: A1100267

D-U-N-S # 884582045


Global Investigative Group, LLC / Copyright 2020