

The completed Summit building in downtown Seattle doubles the Seattle Convention Center’s capacity and will be a major economic driver in the city for decades to come.
Company
We’re GeoEngineers,
A Firm Where Substance Matters
GeoEngineers Inc. is an employee-owned engineering and earth science consulting firm that cares about the important stuff. Born in Washington State in 1980, GeoEngineers was founded with a passion for technical excellence, safety, and personal ownership. This approach has grown the firm to more than 450 diverse experts in offices across the country. We find better ways to serve our clients by offering cutting-edge services in a down-to-earth package that will always put people first.
Our Core Values

SafetyWe protect each other and our clients by making safety an essential priority for every staff member, every day.
Technical ExcellenceWe achieve technical excellence through hard work and integrity, finding efficient solutions for our clients.
OwnershipWe are committed to broad employee ownership and a culture of accountability, belonging, and shared purpose.
Inclusive Contracting
We know that diversity can mean better project teams for our clients. Our Inclusive Contracting Program focuses on developing strong teaming partnerships with small, disadvantaged, women- and minority-owned businesses. It’s good for our clients, for these firms and for the world.
Latest News and Blogs
TOP NEWS
Becoming an Environmental Engineer: A Journey of Passion and Purpose
Environmental engineering is a fantastic field for women who want to innovate and develop solutions that protect the environment and improve living conditions to make the world a healthier place. Science and engineering have always been important in my life, but when I started in this field there were very few women. I am gratified...
TOP NEWS
Turning Open Water into Land: Restoring Marsh at Lake Borgne, Louisiana
An aerial view of the Lake Borgne Marsh.Turning open water into land isn’t magic—it’s engineering. Along the south shore of Lake Borgne, one of Louisiana’s most significant marsh restoration projects is demonstrating how science, sediment, and long-term planning can help reclaim land lost to decades of erosion and storms. The completion of the Lake Borgne Marsh Creation Project marks a major...
TOP NEWS
GeoEngineers Tech Talk
From ASCE Seattle Section Younger Member Forum:"Join us for an insightful presentation! Marcus Sloniker will be presenting on common excavation support systems. He will offer a general overview of how each system operates, highlight the advantages and disadvantages of different options, and share real-world project examples showcasing their applications. Additionally, Marcus will discuss valuable lessons...
TOP NEWS
Recent Pipeline Webinar
On November 18, GeoEngineers hosted the latest installment of its Pipeline Webinar Series, marking the 13th episode in a program that has connected pipeline professionals across the country for more than four years. The free webinar series brings together GeoEngineers’ pipeline specialists and industry partners to share practical insights on complex pipeline design and construction...
TOP NEWS
Celebrating the New Year and Our Clients
We turned 45 this year, and we’re still feeling pretty festive about it. To celebrate, we asked GeoEngineers staff from all over the company to tell us what they’re excited to cheer for in 2026, and their answers were too good not to share! Watch our holiday e-card video below to see some of the things we’re excited to celebrate in the new year, from big projects to little moments that make...
TOP NEWS
GeoEngineers is Top 50 Trenchless Firm for 18th Straight Year
The North American Society for Trenchless Technology (NASTT) has released its 2025 list of Top Trenchless Engineering Firms, and GeoEngineers has advanced from #38 in 2024 to #31 this year. This annual ranking recognizes firms across North America that are leading the way in innovative trenchless design and delivery. GeoEngineers has appeared on this list...
TOP NEWS
See You at the 2025 Business & The Environment Conference & Expo!
On December 9-10, GeoEngineers will be attending the 2025 Business & the Environment Conference & Expo in Portland, Oregon. This unique conference brings together regulated companies, municipalities, environmental consultants, attorneys, and regulators for learning, networking, and business development. This conference is a must-attend event to learn more about environmental compliance. For complete conference details, visit...
TOP NEWS
GeoEngineers G-kart Grand Prix Event
On October 3, GeoEngineers hosted a client appreciation event at PGP Motorsports Park in Auburn, Washington, featuring an exciting Grand Prix–style go-karting experience. The event brought together clients and GeoEngineers staff from multiple offices for a day of friendly competition, networking, and team building.Participants competed in teams, racing through practice, qualifying, and final rounds to...