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

Congress for New Urbanism

By Alyson Laura Sustainability Maven LEED AP BD+C, O+M Thirsty Third Thursdays (T3) is a local tradition for the Atlanta chapter of the Congress for New Urbanism, visit their website, here. This month, we met at Kronberg Wall Architect’s renovated church turned office in the Reynoldstown neighborhood. Principle, Eric Kronberg, entertained and empowered the audience […]
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Solar Trends in the Southeast

By Alyson Laura Sustainability Maven LEED AP BD+C, O+M Last month, Sustainable Investment Group (SIG) invited our longtime friend, Trey Gibbs, of Hannah Solar to share the latest trends of solar installation in the southeast with our team in the Atlanta office. There are some important sunset dates in solar rebates so I’m recapping the highlights […]
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