At SEPI, we deliver amazing results because we love what we do.


SEPI is different because we’re not just engineers. 

SEPI is a rapidly growing firm of more than 250 professionals who offer clients a dynamic combination of experience and expertise. SEPI is headquartered in Raleigh, NC with  seven office locations throughout the Southeast including, Charlotte, and Wilmington, NC; Charleston and Beaufort, SC; and Fort Lauderdale and Palmetto, FL.

SEPI is a woman-owned business and recognized by the State of North Carolina as a Historically Underutilized Business (HUB).

We’re planners, designers, surveyors, environmental scientists, landscape architects, construction inspectors, and more. Built on an entrepreneurial spirit, we are structured to stay innovative and adaptive. We’re proud to offer industry-leading expertise and full project delivery capabilities.

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Industry Awards

SEPI is proud to be consistently recognized as a premier services provider.


SEPI is built on a team of professionals with extensive industry experience. We are forward-thinking in our expertise, offering clients robust technical expertise and creative solutions. We look at each new project as a unique opportunity to enhance the quality of life for the communities we serve.

Since 2001, SEPI has built a well-regarded reputation in the Triangle for multi-disciplinary services. Through strategic, organic growth and expanded consultant services into markets across North Carolina, SEPI quickly joined the ranks of the fastest-growing companies in the region.

By 2015, our rapid growth and financial success crossed the revenue threshold required for certification as a Disadvantaged Business Enterprise (DBE) and the company graduated from the program. This launched SEPI towards a larger horizon of opportunities and competition.

Undaunted, SEPI earned a spot on Engineering News Record’s (ENR) Top 500 Design Firm list for the first time in 2017 and grew to more than 350 employees and $39.3 million in revenue by 2018, earning an eighth consecutive Zweig Group Hot Firm List Award, a prestigious list honoring the fastest growing firms in the architecture, engineering, and environmental consulting (AEC) industry.

Best Places to Work, Triangle Business Journal
Best Firms to Work For, Zweig
Hot Firm List, Zweig White
2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011
Top 500 Design Firms, Engineering News-Record
2019, 2018, 2017
Top Women-Owned Businesses, Triangle Business Journal
Fast 50, Triangle Business Journal
2018, 2017, 2016, 2015, 2012
Top Design Firms Southeast, Engineering News-Record
Inc. 5000, Inc. Magazine
2017, 2015, 2013, 2012



1 Glenwood Avenue, Suite 600
Raleigh, NC 27603
Phone 919.789.9977
Fax 919.789.9591


11020 David Taylor Drive, Suite 300
Charlotte, NC 28262
Phone 704.714.4880
Fax 704.714.4885


PO Box 15890
Wilmington, NC 28408
Phone 910.523.5715
Fax 910.523.5716


176 Croghan Spur Road, Suite 208
Charleston, SC 29407
Phone 843.867.4243


2015 Boundary Street, Suite 233
Beaufort, SC 29902
Phone 843.929.6854

Fort Lauderdale

3350 NW 53rd St. #101
Ft. Lauderdale, FL 33309
Phone 954.475.3070
Fax 954.475.9550


503 8th Avenue West
Palmetto, FL 34221
Phone 941.722.4561
Fax 941.729.6248

Values + Team Culture

Putting Our Values to Work

At SEPI, we want to work with exceptional clients on projects that improve communities as a whole and attract and retain employees who value their contributions to the company’s overall success.

Vision 2021 is SEPI’s strategic plan for continued company growth in the years ahead. It helps drive our internal efforts and initiatives in support of our vision to be a top-tier provider in each of our service lines.

SEPI’s Mission, Vision, and Values are the foundation of Vision 2021 and are critical to our current and future operations as a premier professional services firm.

Our Mission

To serve clients as a trusted resource, contribute to projects that improve the quality of life in our communities, and provide a rewarding employee experience through our inclusive team culture.

Our Vision

Promote unique client experiences, employee satisfaction, and operational excellence while aspiring to be a top-tier provider in each of our service lines.

Be Brave

We are driven to be visionary in our work and honest in our professional relationships.

Be Open

We value transparency and diversity in our experiences, culture, and solutions.

Choose Positivity

We strive to be a positive influence at work and in our communities.

Pursue Excellence

We respect each other and inspire confidence, internally and externally.

Rediscover SEPI

SEPI’s depth of resources has grown exponentially to offer a full suite of consultant services for a diverse range of clients and market sectors across the Southeast. And yet, SEPI is still known best from its roots as a transportation engineering firm.

As it turns out, we’re much more than that.

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Giving Back

SEPI is committed to giving back as a company through our SEPI Spirit corporate citizenship program. We  strategically invest in and support our communities in areas that align with our business practices and core values – primarily in education, the environment, and family services.

We care about the communities we serve, actively promoting firm-sponsored SEPI Spirit volunteer opportunities and encouraging employee participation in charitable contributions and local sponsorships.

Outside of work, SEPI employees serve on local boards, participate in non-profit organizations, and proudly partner on a variety of community initiatives that improve how we live, work, and play.



Top Charitable Contributions & Sponsorships

Active SEPI SPIRIT Contributions & Sponsorships

American Council of Engineering Companies
American Institute of Architects Triangle & Charlotte Sections
American Institute of Architects North Carolina Chapter
American Public Works Association
American Society for Health Care Engineering of the American Hospital Association
Boys & Girls Club
Burgaw Rotary Club
Cape Fear Commercial Real Estate Women
Charleston Chamber of Commerce
Charlotte Business Alliance
Chix Dig It
City of Charlotte/Charlotte-Mecklenburg Storm Water Services – Adopt-A-Stream
City of Raleigh Parks, Recreation, and Cultural Resources Department's Volunteer Program – Adopt-A-Park
Construction Management Association of America
Downtown Raleigh Alliance
Duke Raleigh Hospital
Greater Raleigh Chamber of Commerce
Manatee Chamber of Commerce
National Association of Industrial and Office Properties (NAIOP)
North Carolina Chamber of Commerce
North Carolina City and County Managers Association
North Carolina Economic Development Association
North Carolina League of Municipalities
North Carolina Museum of Art
North Carolina State University Women in STEM
North Carolina State University Civil, Construction, and Environmental Engineering Department
North Carolina State University ASBAE
SEPI Employee/Family Investment
Southeastern Guidedogs
Tammy Lynn Center
Triangle Commercial Real Estate Women
Triangle Community Coalition
Triangle Women in STEM
Urban Land Institute
Wake County SmartStart
Wake Technical Community College
Wake Tech Foundation
Walter Magazine WINovation
Wilmington Chamber of Commerce

Latest Insights

SEPI is hiring

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