Welcome to CDM Smith.

There is something powerful about us.

CDM Smith provides lasting and integrated solutions in water, environment, trans­porta­tion, energy and facilities to public and private clients worldwide. And as a privately owned firm, we answer to ourselves. This inde­pen­dence allows us to make decisions based on what’s best for our clients and our employees, not outside investors. This autonomy empowers us to reinvest in our people, our tools and our technology, positioning us to deliver an unmatched profes­sional experience for our employees and a legendary service experience for our clients.
Women In STEM Women In STEM
Wisdom From Women in STEM
To celebrate Inter­na­tional Women in Engineering Day, we met with five of our brightest female engineers, project managers and planners to hear their perspec­tives.
Meet CDM Smith

Meet CDM Smith and learn more about our innovative projects, our commitment to a sustainable future and our dedicated employees who provide lasting solutions to meet your needs.

Our Vision

We will be the best, brightest and boldest in the industry. Client focused, employee centered, technically superior, independent and strong.

Forward Perspectives: Tim Wall Forward Persepectives: Tim Wall
Getting to know Tim Wall
We took a deep-dive into the mind of CDM Smith's new CEO and Chairman Tim Wall and heard his plans to shape the firm's future with vibrant enthusiasm and calculated risk-taking. 
Quality hero Quality hero
Our Commitment to Quality
Our Quality is achieved through CDM Smith's culture of high expectations, entrenched quality management in our project delivery system, leadership commitment, rigorous processes and training.

Facts About CDM Smith

World Head­quar­ters
75 State Street 
Suite 701 
Boston, MA 02109 USA 
Tel: + 1.617.452.6000 
Fax: + 1.617.345.3901


  • Established in 1947 as a partnership; incor­po­rated in 1970.
  • More than 5,000 employees working from offices worldwide.
  • CDM Smith is employee owned, instilling pride in our work and allowing us the freedom and inde­pen­dence to put our clients first. CDM Smith will remain a privately owned firm, free to determine our own direction, committed to building a stronger enterprise for each future generation.
  • CDM Smith provides services through the following major business units: North America Unit; Federal Services Unit; and Inter­na­tional Unit. These units are supported by the Technical Services Unit and the Construc­tion Unit—all working together to deliver integrated engineering and construc­tion services worldwide.
  • CDM Smith offers full services—consulting, engineering, construc­tion and operations—across the project life cycle in water, environment, trans­porta­tion, energy and facilities.