About Us

VDA has been specializing in Consulting Services encompassing all phases of vertical transportation systems in both new and existing buildings. Since the inception in late 1980, our mission has been to bring together industry professionals with in-depth experience providing New Construction, Modernization, and Maintenance Evaluations for all types of elevators, escalators, and other systems under one roof.

Our Goal
Respond to the client’s vertical transportation needs in a timely and professional manner while providing our consulting services for the vertical transportation systems with the appropriate recommendations for short and long-term safety and efficient operation. Our consultants are continually up to date on new technology, manufacturer regulations, and design trends. We ensure your project planning will go smoothly and our involvement will guarantee a building that meets everyone’s diverse standards, regardless of the scope of work and the services being provided. Given our experience, resources, and personnel who are willing and able to fulfill the needs of our clients, VDA will confidently provide a successful solution to any project.

With a current professional workforce of 183, VDA is led by 2 working Principals, 3 Senior Vice Presidents, 14 Vice Presidents, 12 Area Managers, and a team consisting of 89 consultants and 15 field/design engineers. They are supported by 48 Administrative, Accounting, and Marketing personnel. The strength of our firm is in each individual bringing a necessary and relevant set of skills, knowledge, and experience to the table; ultimately adding to the success of your project and our clients. Together our team earns VDA the recognition as the leader in Elevator Consulting Services.



Years in Business




Years of Combined Industry Knowledge