Detectives in Columbia, MD

Comprehensive list of private detective agencies and investigators servicing Columbia, MD.

Business Listings

Delivering a complete array of professional investigative services. Titan Investigative Alliance supplies a complete array of professional investigative services to customers in the eastern and central US. We are fully licensed, bonded, and insured and provide rush services. Contact us or complete an online request for services for more information.


Please explain your legal situation. Lewis J. Neuwelt Investigations supplies information essential to the compilation of superior legal work products. For the past three decades, Mr. Neuwelt has conducted investigations in Washington, DC and throughout the whole state of Maryland. He has developed unique interviewing skills, a network of individual contacts, and valuable data sources.


Checkmate Investigative Services. is a Maryland based, licensed, Private Detective Agency that offers specialized investigative expertise for individuals, attorneys, insurance firms and business leaders. Our team is a group of well trained, experienced and dedicated investigators representing a diversity of backgrounds and ethnic experiences.



Currently this site is undergoing some reconstruction, We apologize for any inconvenience this may cause. With over 22 years of combined knowledge in Law Enforcement, Security, Protection, Investigations and Surveillance, NAI expertly supplies a diversity of state of the art services, tailoring each to the requirements of the customer.

  • Not what I expected, but?WOW-. Works a little different than most, but worth every penny.

Set up in Maryland in 2003, Stronghold Security's goal is to supply our customers with a comprehensive suite of security solutions in the staff, investigations and technology arenas. Sensitive to their requirements and our business relationships. Established a reputation for quality work. Creating innovative, unique, and cost-effective solutions to problems currently faced by clients.


Located between Baltimore, Maryland and Washington DC, The Cunningham Detective Agency (CDA), is a full service firm, specializing in infidelity investigations, serving attorneys, corporations, businesses and private clients in the Baltimore - Columbia area of Maryland and the Washington DC Metropolitan area. CDA provides a wide range of professional investigative services.


CCI Services supplies trained specialists experienced in a complete array of private investigative services. CCI Services tailors its investigative efforts to suit the specific requirements of each of our customers. CCI's professional investigators work closely with your team to assist you manage your organization more efficiently and reduce your corporate risk.


SCI is a complete service firm that supplies criminal background, pre-employment screening services for firms huge and tiny. Our Account Executives are dedicated and experienced specialists that supply over thirty three years of specialized data management and investigative expertise.