Sentinel Maintenance a Kleen-Tech Company

Sentinel Maintenance a Kleen-Tech Company is North America’s leading provider of comprehensive cleaning and maintenance solutions, specializing in construction cleaning, high-end retail cleaning, and facility management. Based in Stamford, Connecticut, we deliver unparalleled quality and reliability to a diverse range of clients, from prestigious retail spaces to large-scale construction projects. With over 35 years of experience, Sentinel Maintenance distinguishes itself through its dedicated owner management, a commitment to meticulous detail, and a robust infrastructure supporting responsive service. We’ve built long-standing partnerships with some of the nation’s most recognizable properties, demonstrating our consistent performance and unwavering focus on client satisfaction. Our team of experienced professionals, combined with our Mission Control system – providing 24/7 support and accountability – ensures that every facility receives the highest level of care and attention. Sentinel Maintenance is dedicated to excellence, fostering a culture of impact, development, teamwork, and a relentless pursuit of greatness.