Security Investigation Consulting Professional service since 1988 Associates employed by APS are capable and trusted protection specialists, investigators and analysts. Together, our associates work with a vast network of law enforcement, government agencies and support personnel around the world to ensure our clients receive the proper resources needed to reduce risks, solve problems, and capitalize on opportunities. APS maintains a strict policy of confidentiality in all of its dealings, from client relationships to terms of employment. We understand that our clients’ security and ultimate success depends on our discretion.