Southeastern Engineering, Inc. (SEI) is a multi-disciplinary firm focused on providing our clients with service and expertise second to none. This has been proven through a history of long term relationships and repeat business. At SEI, we work collaboratively with our clients to complete every job on time, within budget and on target, satisfying our clients’ requirements and exceeding their expectations. As a woman-owned business, SEI is a certified Disadvantaged Business Enterprise (DBE) by the Georgia Department of Transportation (GDOT) Equal Opportunity Division.
Recent News

West Winder Bypass

SEI is teaming with Precision Planning, Inc. providing traffic engineering services as part of the design team for the West Winder Bypass Project. The project will provide a bypass route on the west side of the City of Winder from SR 316 to SR 211 and proposes a grade-separated railroad crossing at the intersection of…

SEI Serenbe Office Breaks Ground!

November 3, 2014 SEI began laying the foundation for it’s new office located at Serenbe – a 1,000-acre, multi-use development located in Chattahoochee Hills, Georgia. “The architectural style is sleek and contemporary and was designed to complement Serenbe’s Phase 1 urban commercial district. Inspiration came from several recent urban re-developments within Atlanta’s Buckhead & midtown areas…

SEI Hired for The Georgian Master Plan

The Frog

SEI provided schematic design, design development, and construction-document services for The Georgian, a 1,150-acre master-planned development located in Villa Rica which is home to approximately 1,400 single-family residences, a 13-acre clubhouse and golf course. SEI developed a schematic design to include preliminary plats, rough grading and drainage with cut/fill amounts, road profiles, utility layouts preliminary…

SEI Joins RTOP Team


SEI is teamed with ARCADIS on the Georgia Department of Transportation’s (GDOT) Regional Traffic Operations Program (RTOP), an initiative of GDOT to monitor and alleviate traffic congestion across the Metro-Atlanta region. The RTOP network consists of over 400 traffic signals within the greater Atlanta metro area. From the GDOT’s Traffic Management Center in Atlanta, SEI traffic…

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