Looking for a private investigator in Atlanta? Martinelli Investigations, Inc provides private investigation services in Atlanta and throughout surrounding cities in Georgia and surrounding states. Our firm has over 48 years of law enforcement and 10 years of military background, combined. Martinelli Investigations, Inc. has the ability to handle ALL of your Atlanta private detective needs. Martinelli Investigations, Inc. has formed relationships with attorneys, businesses and other process serving companies throughout Georgia and surrounding states. Specializing in things from sex crimes to missing persons, our goal is to exceed the expectations of our clients.