MacKay Sposito

Call today! MacKay Sposito is a values-driven consulting firm with over 50 years of experience shaping infrastructure that strengthens communities. From civil engineering and landscape architecture to environmental permitting and beyond, we prioritiz...

Call today! MacKay Sposito is a values-driven consulting firm with over 50 years of experience shaping infrastructure that strengthens communities. From civil engineering and landscape architecture to environmental permitting and beyond, we prioritize people, partnerships, and long-term impact. Rooted in our values, we’re expanding our reach throughout the western U.S. to deepen our service to clients and amplify our positive impact on the communities we serve.