Sustainable Investment Group - A sustainability consulting firm that provides environmentally focused solutions

Our Services

LEED Training & Education

SIG provides comprehensive training on a wide range of sustainability topics. We have developed many standard training courses and provide customized programs to meet the objectives and interests of your specific audience.


Learn how SIG helps grow the green building industry through education and training

Green Building Consulting

With offices in Atlanta, GA, Boulder, CO, Minneapolis, MN and New York, NY, SIG is a green building consulting firm whose team members bring years of experience in LEED, design-build commercial construction, real estate development, business efficiencies, and eco training.

Learn more about our LEED consulting services

Technical Services

SIG has in-house Technical Services Staff that hold credentials like PE, CxA, CEM, CPMP, LEED AP, and more. Our engineers have extensive Retro-Cx, LEED prerequisite, Energy Audit, and Energy Star experience.



Learn more about technical services

Development Trends: Agriburbia and Sportopia

By Alyson Laura Sustainability Maven LEED AP BD+C, O+M Residential development is no longer isolated to boring suburbs lacking basic services like sidewalks and public space. Residents now have diverse options like organic farms or sports stadiums within steps of their front doors. What’s driving these new styles of mixed-use development? Urban planners have long […]
Read More »

LEED Certification at SIG HQ

By Tim Peterson Sustainability Analyst Intern, Sustainable Investment Group (SIG) Sustainable Investment Group’s (SIG) headquarters is no typical office space. There are no cubicles or partitions; just an open-office space that breathes in the outdoors through floor to ceiling windows. They stretch the full length of the office’s southern wall, bathing the room in natural light. […]
Read More »
Stay informed by joining our e-mail list: