The Best Kept Secret in Cleaning Services! For the past decade, American Cleaning Services has been offering superior residential and commercial cleaning services in New York City and Nassau County, including the surrounding areas. Our team of cleaning professionals can clean your home or office from top to bottom, with our thorough cleaning services, from floors to fixtures, and that is why our company is known as The Best Kept Secret in Cleaning Services. This family-owned and operated business is proud to serve our long list of satisfied customers. They have come to trust our dependable cleaning services over the years, delivered by our capable and friendly team of cleaning professionals, who have also been with us for years.