ASG Investigations is Michigan's premier full-service private investigation agency, headquartered in Macomb County, Michigan. The reason we are in business is simple: to solve your problems quickly and quietly. We are the leading full service Michigan private investigation agency, headquartered in Metro-Detroit and servicing Macomb County, Oakland County, Wayne County and Washtenaw County. When you need the truth, you need ASG. We offer a wide range of services including family law investigations, corporate investigations, and surveillance, among others. Our team of experienced and licensed private investigators is dedicated to providing accurate and reliable information to our clients.