Kimley-Horn is a national consulting firm founded in 1967 by transportation engineers Bob Kimley and Bill Horn. What began as a partnership focused on highway design has grown into a firm with nearly 10,000 employees across more than 150 offices throughout the United States. The company serves both public and private sector clients on projects ranging from local developments to national infrastructure initiatives.
The firm's core capabilities span transportation engineering, civil engineering, environmental consulting, landscape architecture, planning, and design consulting. Work is delivered through multidisciplinary teams that integrate these disciplines to address infrastructure challenges and shape communities. More than 90% of the firm's work comes from repeat clients, reflecting long-standing relationships built on consistent delivery.
Internally, Kimley-Horn emphasises a people-first culture that encourages collaboration and innovation. The firm provides structured mentoring, clear career paths, and the autonomy for employees to take ownership of meaningful work. Leadership development is cultivated at every level within the organisation.