ICS is a full service private investigation agency that services clients across the country and around the world, and accepts most personal case types. When you need a cheating spouse/unfaithful partner investigation, locate lost or missing person investigation, international background check, and more, ICS has the resources to solve your case in a timely, affordable, and confidential manner. In the Unites States, your case will be handled by the designated Licensee in your state. The corporate office in Scottsdale, Arizona manages all international investigations, and partners with private investigators and subcontractors in nearly every country. If you need a personal private investigation anywhere in the world, fill out the online free consultation form located at the top of this page, or call Toll Free 24 hours a day. ICS has been conducting professional private investigations since 1967.