Established in 1959, Norman Disney & Young (NDY), A Tetra Tech Company is a global firm of consulting engineers. With over 700 staff in offices throughout Australia, Canada, United Kingdom, New Zealand, Hong Kong and Malaysia, NDY is able to deliver innovative, sustainable and tailored solutions for a diverse group of clients.
With over 50 years experience as consulting engineers, NDY has grown its reputation for professional excellence and innovation in building services to a broader suite of client-focused offerings. Our longevity and growth as a leading consultancy is testament to our people and our reputation in the market. We look forward to Making Spaces Work over the next 50 years.
In 2018, NDY greatly expanded its engineering and design resources by joining Tetra Tech, Inc., a global alliance offering consulting, engineering, and technical services. With a purpose of ‘Leading with Science’, and with 20,000 associates in more than 450 offices in more than 120 countries on seven continents, Tetra Tech’s technical knowledge and hands-on site work is broad and deep. Our staff is supported by a, Tetra Tech enhances NDY’s delivery of smart and sustainable solutions to clients through a much larger global network of experts.