MacKay Sposito

About Us

MacKay Sposito is a multidisciplinary consulting firm with over 50 years of experience serving the energy, public works, and land development sectors. Our firm offers a comprehensive suite of services to both public and private sector clients with a team of experts in civil engineering, land surveying, environmental permitting and compliance, landscape architecture, construction management and inspection services, and land use permitting and entitlement.

Known for our practical expertise on everything from large-scale infrastructure projects to community-focused developments, MacKay Sposito combines technical excellence with a deep commitment to building lasting relationships. Our team takes pride in being a connector, bridging clients' needs with the priorities of communities and regulatory agencies.

Headquartered in Vancouver, Washington, we are proud to be an active part of the local business community and to contribute to the region’s livability through thoughtful, people-centered solutions.

At its core, MacKay Sposito is about doing right by people. Whether helping power a rural community, plan a complex master development, or improve city infrastructure, our firm leads with integrity, collaboration, and a genuine investment in others' success.