Firm Overview


From small-town infrastructure to federal design-build projects, and from large mixed-use communities to urban in-fill projects, Timmons Group has proudly built a reputation of excellence since we first opened our doors in 1953. Our deep experience positions us as an industry leader with an unwavering commitment to forward-thinking, innovative design and complete solutions for client success.

Recognized for nearly 20 years as one of Engineering News Record’s Top 500 Design Firms, Timmons Group provides civil engineering, environmental, geotechnical, GIS/geospatial technology, landscape architecture and surveying services to a diverse client base. Our market-focused organization is structured to help fulfill our mission “to achieve unparalleled understanding of our clients, their businesses and their visions, resulting in unrivaled customer service and shared success.”

Our clients receive more than just the best engineering and professional services available. Our specialized market sector expertise makes us trusted advisors and valuable consultants on our clients’ projects — from conception through completion.

We believe a firm is defined by its people. We continue to attract and retain professionals regarded among the top experts in their fields, as well as today’s best and brightest young talent. Our teams are challenged with exciting projects that shape careers — as well as the communities we serve.
At Timmons Group, our unrivaled client service and a passionate commitment to shared success are taking us places. We are excited to see where our clients will take us next.