KPFF Consulting Engineers is a private, multi-office, multi-discipline engineering firm founded in 1960 in Seattle, Washington, USA. The company specializes in civil, structural, mechanical, and survey engineering, along with construction management, transportation infrastructure, ports and waterfront design, and protective design services. With over 1,200 employees operating from 25 offices across the United States, KPFF delivers creative, practical, and sustainable solutions for projects of all scales in sectors including commercial, transportation, energy, and federal infrastructure.

The firm is driven by core values of Excellence, Trust, Relationships, Stability, and Passion, which define its professional practice and commitment to clients and employees. KPFF is recognized as a leader in sustainable design, offering visionary, environmentally sensitive, and technically advanced services. Its portfolio includes aviation facilities, civic projects, education and healthcare buildings, national parks, cultural centers, zoos, museums, and government or international facilities.

KPFF operates day-to-day with the flexibility of a small firm despite its large size, maintaining nimble operations and deep technical expertise. Its engineering groups include Structural Engineering, Civil Engineering, Transportation Engineering, and Heavy Civil Structures Engineering, each employing a solutions-oriented approach to designing the built environment. The company collaborates closely with architects, builders, and owners to fulfill shared project visions.

Headquartered in Seattle at 1601 Fifth Avenue, Suite 1600, KPFF has expanded nationwide with offices in major cities such as Portland, Los Angeles, San Francisco, New York, and Boise. The firm continues to grow its footprint while preserving its collaborative and innovative culture, making lasting contributions to the evolution of livable cities and resilient infrastructure across the United States.