
Comprehensive Engineering
They provide premium structural, fire, and life safety engineering that reconciles complex constraints for optimal, integrated project outcomes.
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Holmes US is an interdisciplinary engineering firm with offices in Los Angeles, Portland, San Francisco and Seattle. We're part of the international Holmes Group, with offices in New Zealand, Australia, and Europe. We deliver premium structural and fire engineering, as well as product development and testing. As local partners, we build community with trusted relationships and solutions. As global specialists, we expand the horizons of what is possible.

They provide premium structural, fire, and life safety engineering that reconciles complex constraints for optimal, integrated project outcomes.

With 65+ years of experience, 500+ experts across 15 offices in four countries, they blend local relationships with international technical prowess.

We challenge the status quo with great thinking, never bound by the rote application of rules. We pioneer new standards and technologies, working together to solve tough challenges with creativity, technical expertise, and good old-fashioned elbow grease.






















































+1 (415) 693-1600
235 Montgomery Street Suite 1250, San Francisco, California 94104, United States of America