Browse the Top Private Investigators Serving Annapolis, MD

Global Investigative Services provides comprehensive background screening solutions for businesses worldwide. Our services include criminal background checks, drug testing, credential verification, and international screening to help organizations make informed hiring decisions. With advanced technology and PBSA-accredited processes, we deliver fast, compliant results tailored to diverse industries.

National Background provides comprehensive background screening solutions to help organizations hire confidently. Our services include criminal record checks, drug screening, and HR compliance tools designed to reduce workplace risks. With a focus on accuracy and FCRA compliance, we offer customizable domestic and global screening options supported by dedicated customer service.

Patriot Security Group provides global investigative and security services, specializing in corporate, criminal, and civil investigations, executive protection, and threat mitigation. Our team combines military, law enforcement, and intelligence expertise with advanced cyber capabilities to address complex security challenges. We serve corporations, government agencies, and private clients with discreet, high-impact solutions.

Constellis delivers comprehensive security, training, and technology solutions to government and commercial clients globally. Our services include risk management, K9 operations, emergency response, and integrated technology systems. With 45+ years of experience and operations in 35+ countries, we combine global expertise with localized execution to ensure client safety and operational success.

CSI Services is a licensed private investigation and security firm providing confidential evidence gathering and research. We serve individuals, attorneys, and governmental agencies to support civil and criminal legal proceedings. Our primary purpose is to deliver authoritative investigative results through professional surveillance and background research.