Bethany Associates is one of the largest cleaning companies in the Delaware Valley. Serving the tri-state area for more than a decade, Bethany provides uncompromising customer service. With over 3,000 satisfied customers, our commitment to quality and reliability is our highest priority. Residential customers can beautify their home with our window cleaning and pressure washing. For business owners, we provide regular and reliable maintenance solutions for their storefront. Building managers use us to maintain multi-level office and apartment buildings, keeping tenants satisfied. Bethany Associates is fully insured. Our staff is thoroughly trained to protect the safety of your home and complete their work with minimal disruption. We stand behind our work and guarantee your satisfaction.