OS Security GmbH, based in Bochum, is your experienced security service provider for all of North Rhine-Westphalia. Our focus is on the highest level of professionalism and certified quality (ISO 9001 & DIN 77200). We offer a wide range of security services, including property and plant protection, construction site monitoring, event security, as well as specialized dog handlers and personal protection. Our trained personnel always act in a de-escalating, professional, and customer-oriented manner. Rely on transparent planning and innovative security solutions for your company or event in North Rhine-Westphalia.