About Us
About Us
35+ years of experience
Welcome to Investigations HQ, LLC, your trusted partner in private investigation and security consultation services in Orlando, Florida. Since our establishment in 2017, we have been unwavering in our commitment to professionalism, integrity, and affordability, ensuring that our clients receive top-notch investigative solutions.
Our founder and lead investigator, Mark Lang, brings several decades of invaluable experience in law enforcement, corporate security, and private investigations, making us a reliable source for all your investigative needs. He has earned a master’s in criminal justice from Boston University and a Batchelor's degree in criminal justice administration from Columbia College cum laude. Lang graduated from the Southern Police Institute, 23rd CODC, and the Kissimmee Police Academy. He is a retired law enforcement special investigations captain with law enforcement experience in special operations, criminal intelligence, tactical patrol, undercover operations, and uniform patrol. Lang was also the former senior director of corporate security operations for Orlando Health and was head of security at the Orlando Reginal Medical Center during the Pulse nightclub mass casualty attack. Holding the highest security certifications ASIS International-CPP, certified protection professional and International Association for Healthcare Security and Safety-CHPA, certified healthcare protection administrator. Member of the Florida Association of Licensed Investigators and the Florida area Director.
Advocate for safety, justice & training​
Our Commitment to Excellence
At Investigations HQ, we understand that every case is unique. That's why we approach each case with the utmost discretion and attention to detail, ensuring that we provide you with the highest level of service tailored to your specific requirements.