The Trusted Network of Private Investigators
Find an Investigator
Find an Investigator

Connecticut Investigative Services

(888) 676-1472
Connecticut Investigative Services

When searching for a private detective agencies, find out why Connecticut Investigative Services and their investigators were named one of the best private investigative agencies in CT by the Connecticut Law Tribune.

A results-oriented Detective Agency, committed to providing you quick responses and timely, accurate, results. CIS private detectives are well-trained, experienced, veteran police detectives applying their skills as investigators for the benefit of corporate entities and individual citizens.

CIS private detectives combine both law enforcement and private sector investigative knowledge to ensure you the best possible results for your investigation. Our private investigators can answer your questions quickly, accurately and to your full satisfaction. This communication and experience enables us to provide our clients with the best possible outcomes to their cases.


  • Accident / Reconstruction
  • Asset Search
  • Background Checks
  • Child Support / Custody
  • Civil
  • Crime Scene
  • Criminal
  • Domestic
  • Due Diligence
  • Executive Protection
  • Forensic
  • Fraud
  • Insurance
  • Missing Persons
  • Public Records
  • People Locate / Skip Trace
  • Surveillance
  • Workers Compensation
  • Wrongful Death

Service Guarantee

All investigations are confidential.

Areas of Coverage

  • Covering the entire State of Connecticut with global contacts that have the ability to reach worldwide.


  • IPA (International Police Association NEOA (Narcotics Enforcement Officers Association)
  • PBA (Police Benevolent Association- Life Time Membership)
  • PAC (Police Association of Connecticut-Retired Member)
  • Fairfield County Detective Association (Law Enforcement- Prior Member)
  • IACSP (International Association of Counterterrorism and Security Professionals)
  • CII (Council of International Investigators)
  • NCISS (National Council of Investigation & Security Services)
  • CALPI (Connecticut Association of Licensed Private Investigators)
  • WAD (World Association of Detectives)

Contact Info

Mark McDaniel
(888) 676-1472
Phone 2:
(203) 402-7306
(203) 732-3592
4 Research Drive Suite 402
Shelton, CT 06484

The Lawgical Promise The Lawgical Promise guarantees this member has been pre-screened to verify their qualifications.

E&O Insured
Visa, MasterCard, Discover, American Express, Check, Western Union, PayPal
Service Guarantee
Se Habla EspaƱol

Office Location

4 Research Drive Suite 402
Shelton, CT
(888) 676-1472

Follow & Connect