Upgrade Services is dedicated to providing the highest level of customer service in the window cleaning and specialty cleanin ... g industries. We firmly believe that when we are contracted as an expert service provider, it is our duty and responsibility to make sure that we handle every phase of management: on-site customer relations, scheduling, safety oversight, and of course, the work performance of our courteous and knowledgeable personnel. We maintain a Union shop and provide safety, service, and technological education for all of our field personnel. We are your Window Cleaning Specialists. read more