Private Investigator Agencies locations near Derby, CT

Showing 1–8 of 8 results

We track 8 private investigator agencies listings in and around Derby, CT, spread over 7 ZIP codes. Listings here were last checked in Oct 2026.

ELM City Paranormal

Private Investigator Agencies

📍 Serving Your Area, Seymour, CT, 06483

📞 203-490-9779

🌐 www.elmcityparanormal.com

A Connecticut based paranormal investigative team dedicated to helping people who are troubled with potential paranormal activity. Established in 2009.

Executive Research & Investigation

Private Investigator Agencies

📍 24 Sodom Ln, Derby, CT, 06418

📞 203-734-5136

Updated Oct 2026

Connecticut Investigative Services

Private Investigator Agencies

📍 4 Research Dr Ste 402, Shelton, CT, 06484

📞 888-676-1472

🌐 www.ctinvestigativeservices.com

A complete full service detective agency providing many professional investigative services such as Background and PreEmployment Screening Services, Corporate Loss Prevention Services, and Criminal and Personal Injury Investigative Services.