60 Years of


60 Years of


60 Years of


60 Years of

Solutions You
Can Build On.

Solutions You Can
Build On

A leader in geotechnical, environmental, and materials testing and inspection services for sustainable developments.

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The Leighton

For 60 years, we’ve placed true client partnerships and data-driven insights at the forefront.

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Explore Our

Our in-depth expertise across numerous market sectors has proven instrumental in efficiently bringing a range of projects to the finish line.

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60 Years of
Leighton Success

A strong foundation for future success.

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For 60 years, we’ve delivered industry-leading geotechnical and environmental consulting and materials testing and inspection services that help our clients move their projects forward.

The Leighton family of companies includes Leighton Group, Inc. as the parent company and its subsidiaries Leighton and Associates, Inc. and Leighton Consulting, Inc.

How can our expertise help you?

Environmental Champions.

Sustainable planning, design, and construction makes all the difference. Our extensive technical expertise and tangible experience means viable solutions for generations to come.

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Your True Partner.

As expert consultants, we partner with our clients to reduce risk, add value, and facilitate timely and cost-effective project delivery while making the built environment better.

Partner with Leighton

Life @ Leighton.

Our people are the key to our success.
By fostering an environment that values individual growth and leadership, we’ve grown a team that truly cares – about each other, our clients, and the projects we work to bring to life each day.

Find out what Life @ Leighton is like