• Green Building

    Expert consulting using integrated design, rating system project management, quality assurance, and sustainable operations support

  • Programs, Planning & Policies

    Sustainable guidelines and strategies for governments, businesses and non-profits

  • Education & Training

    Training and educational products on green building and sustainability from experts with real-world experience


O’Brien & Company is a proud sponsor of the EMERGE Leadership Project. We invite you to GIVE BIG! on Tuesday, May 5th, and help EMERGE earn matching dollars with The Seattle Foundation. Your donation will help advance sustainable building and development through emergent leadership practice.



O’Brien & Company is a Washington certified Women Business Enterprise (WBE) and a federally certified Small Business Enterprise (SBE) and Disadvantaged Business Enterprise (DBE).