HWA is a full-service geotechnical engineering firm, offering consulting expertise and experience over a wide range of soil-mechanics and foundation engineering disciplines. Although HWA is a mid-sized Pacific Northwest firm, we work on major projects throughout the United States and also perform international consulting assignments in Canada, Central America, Europe, Asia, and Africa.

HWA delivers geotechnical engineering services for projects from initial planning to final design, and construction inspection and observation. Our geotechnical engineers and engineering geologists provide data and design recommendations to assist other engineers, contractors, architects, and planners in determining cost-effective designs for all manner of foundation systems, site development and preparation works, and construction techniques for a variety of projects. Additionally, our engineering and geological staff have a vast experience base with hazardous terrain assessment, and design and construction of slope stabilization methods for steep slopes or seismic instability. Frequently, our professionals perform peer reviews in support of city-owned capital projects, operations, and maintenance.