• 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

Creating Value through Sustainable Building

O’Brien & Company understands how a sustainable built environment adds deep, enduring value to every organization and project, regardless of the scale, stage, or scope.  We use holistic, practical thinking; a collaborative process; and deep technical knowledge to deliver the best economic, social, and ecological outcomes for our clients.

Make us an integrated member of your organizational, business, or project team to ensure you get the best results from every decision you make.


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