The Dewberry Way

Since its founding, Dewberry has held to a few time-tested principles that have served us well:

Clients First

We keep our client's big picture objectives in focus as we serve them first and foremost.

Our People

They are excellent because we hire and promote solely on the basis of skill, training, ability, attitude, and character.


Speed like a race car, accuracy like a fine Swiss watch, and dependability because we do what we say.


Lower design fees because of our efficiency and low overhead; more "bang for the buck" in construction costs because of our innovative solutions.


We share our knowledge with each other and work together with the client as a team.

Intellectual Honesty

We seek the truth in problem-solving, in project management and team communication, and above all, in evaluating our own abilities and performance.

Traditional Values

We embrace and practice very simple values: honesty, loyalty, frugality, fairness, professional ethics, dedication, respect, family values, charity, community involvement, patriotism, and hard work.

Sidney O. Dewberry Sig
Sidney O. Dewberry
Chairman Emeritus and Founder


Number of employees


Locations in 18 states

$463.14 million

2020 revenue


Engineering News-Record Top 500 Design Firms

7,100+ hours

Volunteering in our communities


Fairfax, Virginia