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Sustainable Investment Group | Bronze Sponsor


A Leader in Green Building

Recognized as a leader in the green building movement, SIG is a LEED Proven Provider, USGBC Gold Level Member, WELL Enterprise Provider, IWBI Keystone Member, and ENERGY STAR Partner of the Year – Sustained Excellence.

We have provided sustainability solutions for new and existing Class A Office, Mixed-use, Residential, Industrial, Healthcare, Educational, Retail, and Event/Entertainment properties. Our clients enjoy a one-stop solution for all their green initiatives. Our consulting department has experience with LEED, WELL, Fitwel, GreenGlobes, BREEAM, and many other sustainability platforms. Our Engineering department provides ENERGY STAR and city ordinance benchmarking, ASHRAE Level I-III Energy Audits, Fundamental + Enhanced Commissioning (Cx), Retro-Commissioning (RCx), Ongoing Commissioning, and Energy Modeling.

Finally, we provide clients ancillary services including portfolio wide energy performance tracking and corporate sustainability reporting such as GRESB, GRI, and CDP. To date, our team of professionally credentialed and licensed consultants and engineers have successfully delivered 400 LEED projects totaling 80M SF, over 160 Energy Studies totaling 70M SF, over 60 Energy Modeling projects totaling over 10M SF, and over 30 Commissioning/Retro-Commissioning projects totaling over 15M SF.

Full-Service Sustainable Building Consulting

Sustainable Investment Group, LLC (SIG) is a full-service sustainable building consulting firm that provides environmentally focused solutions to design, construction, and real estate operations professionals to support a high level of performance, value, and quality in the built environment. SIG offers LEED, WELL, and Fitwel Consulting, New and Existing Building Commissioning, Energy Modeling, Energy Audits, ENERGY STAR benchmarking and verifications, ESG Reporting, and other technical services. SIG also helps grow the green building industry through education and training, having helped over 12,000 professionals across the U.S. prepare for their LEED and WELL AP exams.


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Get in touch with our Team:

Sustainable Investment Group | Website

SIG Headquarters

1151 Mount Vernon Highway NE, Suite 800

Atlanta, Georgia 30338

Asa Posner | | 612.567.2019

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