Detectives in Claymont, DE

Comprehensive list of private detective agencies and investigators servicing Claymont, DE.

Business Listings

USIS is the leading supplier of clearance-level background investigations, security solutions, and strategic risk management programs to government customers and commercial enterprises. USIS background investigations for Law Enforcement and First Responders are cost-efficient and free up your staff for what they do finest: Serve and Protect.


Established in 1998, OIA is a group of Retired FBI, State Police and City of Wilmington detectives conducting Criminal Defense Investigations, Civil Tort Investigations, Background Investigations, Asset Investigations, Surveillance and Nationwide GPS verified Service of Process. We have field offices in Philadelphia PA, Lewes DE, Ocean City NJ, and Boca Raton FL.


CVI has partnered with the insurance industry in the fight against fraud for over 30 years. Our success is the product of our strong ties with the claims defense community. With a reputation for genuine integrity, CVI consistently delivers reliable service and the best quality results. The proof is in the contribution our investigations consistently make to the outcome of our customer's claims.



Monahan Investigations was established in 2005 by Thomas Monahan. Tom retired from the Wilmington Department of Police after 20 years, where he served as a detective and detective supervisor. Tom's father, Gene Monahan, a former special agent with the Federal Bureau of Investigation, works with the agency.


We would like to introduce you to a different type of Security & Private Investigations firm. The Owners, Officers & Investigators of Chesapeake share the common aim of delivering outstanding service to our Clients. We have found our niche not to be in the size of the contract or the hours it entails.


Police detectives tend to be nice at their jobs and many, especially bigger, police departments have superb resources for solving crimes. These services are paid for with public funds, generated by taxation. Unfortunately, even the finest police detective divisions have a large backload of cases and, while hot at the outset, your case will necessarily move to the back burner as more and more work load


S&H Investigative Services is an investigation agency which was established by insurance specialists for insurance specialists. Our founder, John Slagowski, has nearly 30 years knowledge as an insurance investigator. He understands your need for factual data, speedily and legally obtained.