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Private investigators / detectives in Ohio

About Us

Investigative Services Group is a fully licensed and insured private investigation company focused on providing our clients with complete and thorough investigations.

Investigations include child custody, pre-employment screening, asbestos/mesothelioma exposure, personal injury, infidelity, hidden asset recovery, service of process, mass torts, surveillance and much more.

Investigative Services group was started in 1995 by Mr. Harvey Wells under the name of Sylvania Services Inc. In 2007, the company changed the name and moved the business from its location in Fulton County, Ohio to downtown Toledo, Ohio. Licensed in both Ohio and Michigan, the staff of Investigative Services Group looks forward to bringing years of experience, knowledge and compassion to each and every case that we investigate.

Our offices are at 1900 Monroe Street, Toledo Ohio 43604

Licenses and Memberships

Ohio License #20222100436025     Michigan License #3701203142

United States Process Servers Association
National Association of Investigative Services
National Council of Investigation and Security Services
Ohio Association of Investigative Services
Certified Missing Persons Investigators

Our full range of services includes:



Investigative Services Group, Inc. www.isgpi.com Contact | 1900 Monroe Street, Toledo Ohio 43604 | Toledo Ohio Private Investigator