Gannett Fleming is a privately held architecture, engineering and construction (AEC) firm founded in 1915. It employs more than 5,000 people and provides planning, design, technology and construction management services to public and private clients worldwide. The firm describes its work as shaping the "Infrastructure of Life" across water, power, transportation and buildings.
Its technical scope spans architecture and engineering, construction management, water and wastewater treatment, power transmission infrastructure, highway and transportation systems, building design, planning, technology services, infrastructure resilience and sustainable design. Representative projects include planning, design and construction management for water and wastewater treatment facilities, engineering and design of power transmission systems, transportation and highway infrastructure planning, and architectural and engineering design for buildings.
The firm reports a legacy of more than 110 years in business, with clients across the globe in the water and wastewater, power and energy, transportation and buildings sectors. It is privately held, with no disclosed funding.
Gannett Fleming describes its culture in terms of continuous quality improvement, close collaboration with clients, innovation and strategic partnership. It emphasises resilient and sustainable solutions intended to enhance communities and improve quality of life, delivered through a multidisciplinary approach that combines technical expertise with creative problem-solving.
