NSG, Inc. | Security Guards & Commercial Cleaning Services in Cincinnati

NSG Inc. is a trusted commercial cleaning and security guard services company based in Cincinnati, Ohio, serving the Greater Cincinnati and Northern Kentucky areas for over 40 years. The company specializes in providing customized janitorial and unarmed security guard services tailored to meet the unique needs of businesses ranging from small enterprises to Fortune 25 companies. NSG emphasizes reliable coverage, consistent performance, and fair pricing, supported by dedicated operations managers, 24/7 support, and site-trained backup teams to ensure quality and accountability. The company’s services include comprehensive commercial cleaning, disinfection, concierge and desk support, mobile patrols, and integrated facility solutions. NSG prides itself on building long-term partnerships through a strong local presence, investment in technology, and a culture focused on client satisfaction and employee engagement.