Black Diamond Investigations

Introduction: We are a full-service private investigation firm, located in the heart of Clayton. You can speak directly to a fully licensed and insured private investigator, 24 hours a day. We personally answer the phones; there are no answering service or recordings. We bring 20 years of investigative experience and unlimited resources and contacts to every case we handle. There is no case that is too big or too small; everything is a top priority. From small claims cases to high-profile cases, we offer the same professional integrity and outstanding service, guaranteed. We also offer the best process server program in the Midwest.