For over six decades, we have supported our clients and partners through natural disasters, emergency repairs, and the ups and downs of the economy. We know what it means to endure. Whether we are helping preserve something precious or building something new – we live to creatively transform how a community’s buildings are envisioned, designed, and experienced for generations to come.

In 1961 Milo Ketchum and Rudolph Besier of Ketchum & Konkel in Denver,  Colorado, established an eastern branch office of KKBNA in Old Saybrook, Connecticut. In 1965, Milo sold the branch office to Rudi, and the new firm of Rudolph F. Besier Consulting Engineers emerged to continue serving  clients with the same high principles.