About Guernsey

Guernsey is a mosaic of engineering, architectural and consulting services. If you examine us closely, you might only see the component pieces. But if you look at the bigger picture, you see a unique, cohesive, employee-owned firm, capable of handling a wide array of projects, private or public, with a clients-first commitment. We are a multi-discipline firm, employing engineers, architects, planners, consultants, environmental scientists, designers, analysts, accountants and managers. Our clients include federal, state and local government; military entities; utilities; Native American tribes; universities; Fortune 500 companies; oil and gas companies; and more. Because we offer all these services under one roof, we are able to collaborate efficiently, giving you access to expert advice in a variety of disciplines and business sectors.

Oklahoma City, OK
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Guernsey had the honor of being part of the opening ceremony for the Capitol Hill Library with Metropolitan Library System and The City of Oklahoma City.

Guernsey employees at Canstruction 2017

Big Brothers Big Sistes Bowl-a-thon 2017

Guernsey's CEO-elect, Jared Stigge, rappelled down Leadership Square in support of Habitat for Humanity in the Courage for a Cause campaign!