For more than 10 years, Knock On glass has been New York City’s premier choice for custom glass and aluminum products. Our reputation for quality, service, and technical expertise is second to none. Our team of professionals can help you solve your glass requirements quickly, efficiently, and correctly – the first time! No job is too small. At Knock On Glass our number one concern is customer satisfaction – both residential and commercial. We believe this can only be accomplished by providing superior service, quality products, and competitive pricing – all in a timely manner to meet customer needs. We are committed to business integrity and honesty through hard work, organization, courtesy, and communication. We believe that word-of-mouth advertising is the most effective kind. We realize, however, that it only comes with customer satisfaction, and so our entire team works hard to exceed all customer expectations by providing unparalleled service and top quality products.

CEO @ Fabrication & installation of commercial/residential glass and mirror products. From September 2012 to Present (3 years 4 months) Greater New York City AreaPresident @ From September 1992 to Present (23 years 4 months)

Bachelor of Business Administration (BBA), Business Administration and Management, General @ City University of New York-Baruch College From 2003 to 2005 midwood high school Vitaliy Tsertseil is skilled in: New Business Development, Negotiation, Sales, Marketing Strategy, Contract Negotiation, Customer Service, Management, Project Management, Product Development, Sales Management, Business Strategy, Leadership