Jeffrey Aguinaga is a seasoned private investigator with extensive expertise in insurance fraud detection and all types of surveillance. Since beginning his investigative career in 1998, he has come to specialize in surveillance for cases involving fraud, infidelity, and domestic disputes. Over the years, Jeff expanded his skill set by collaborating with multiple investigative firms, engaging in covert surveillance, neighborhood canvassing, and conducting interviews for insurance cases and other types of litigation. In 2019, he established his own investigative agency, focusing on surveillance and other legal investigations. Jeff Aguinaga has played a critical role in complex insurance fraud cases, custody matters and criminal defense investigations, providing videotape, detailed reports and courtroom testimony that have significantly impacted case outcomes. 

He remains an active member of The National Council of Investigation & Security Services, The Associated Detectives and Security Agencies of Illinois, Inc. as well as The Association of Certified Fraud Examiners and has completed extensive training in investigative methodologies. Equipped with advanced surveillance technology, including high-zoom camcorders, covert cameras, and forensic databases, Jeff combines technical proficiency with field expertise to deliver high-quality investigative results. His career is defined by diligence, adaptability, and a keen eye for detail, supporting corporate, insurance, legal, and private clients in uncovering critical information.

In the world of private investigations, few exemplify dedication to client satisfaction like Jeffrey Aguinaga. With a sharp eye for detail and an unwavering commitment to discretion, Jeff approaches each case with a personalized strategy, ensuring every client feels heard, respected, and confident in the process. Whether conducting surveillance, background checks, or uncovering crucial evidence, Jeff prioritizes clear communication and timely results. JAA Investigations’ reputation is built not just on successful outcomes, but on the trust and peace of mind they consistently provide to those they serve. For JAA Investigations, Inc., it’s not just about solving cases—it’s about delivering assurance and integrity every step of the way.

Jeffrey Aguinaga personifies professionalism and investigative excellence through his extensive experience and unwavering commitment to delivering high-quality investigative services. With over 27 years in the private investigation industry, Jeff has held various roles, including hiring, training, and managing investigators, while also conducting his own investigations. In 2019, he established JAA Investigations, Inc., a licensed private detective agency in Illinois, specializing in areas such as surveillance, insurance fraud, background checks, and family law investigations. Clients consistently praise his responsiveness, thoroughness, discretion, and the professionalism of his work product. Jeff Aguinaga's dedication to integrity and excellence has earned him a solid reputation in the field, making him a trusted figure in the investigative community.

Jeffrey Aguinaga is widely recognized as a trusted partner in the field of investigations, known for his unwavering integrity and commitment to excellence. With a reputation built on professionalism, thoroughness, and discretion, Jeff approaches every case with a deep sense of responsibility and ethical conduct. Clients consistently rely on him for accurate, unbiased results and appreciate his transparent communication and respect for confidentiality. His dedication to doing the right thing—no matter how complex the investigation—sets him apart as a dependable and principled investigator who delivers results you can trust.