We design hardware and software that enables people to use their smartphones to open and manage doors at their building. Our products have been installed in more than 5,000 buildings and more than 450,000 units including at properties developed, owned, and managed by the most trusted names in multifamily and commercial real estate.

Established in 2010, (Top Notch Security) is a family-owned business that has been providing security services in NYC areas The mission of the company is to provide high tech security services and systems to the customers with the highest quality of standards. Striving to achieve excellence in every project, the company guarantees the best customer services in town. Customer satisfaction and effective service delivery are given the top priority at all levels. TNS specializes in the provision of state of the art, foolproof security mechanisms and equipment including access control, intercom, buzzers, alarm systems, security cameras, integration system, smart locks, commercial locks, and much more. We also cater to the much-needed maintenance and repair requirements of these systems and devices on regular basis.