[company_age]27.0[/company_age][employees]51-100 employees[/employees][funding]series_unknown[/funding][description]Gatekeeper Systems is a leading provider of loss prevention solutions for retailers. The company's flagship product, Purchek®, is a cloud-based system that uses video analytics to detect and deter shoplifting. Gatekeeper Systems also offers a suite of other loss prevention solutions, including CartControl® and CartManager®. The company's solutions are used by retailers of all sizes, from small mom-and-pop shops to large multinational corporations. Gatekeeper Systems is headquartered in Foothill Ranch, California, and has offices in the United States, Europe, and Asia.[/description][ps]Purchek®, CartControl®, CartManager®[/ps]