Sustainable Investment Group

Sustainable Investment Group (SIG) is a national LEED solutions provider. You can trust us to help you achieve your highest sustainability goals, especially as they pertain to LEED. As a LEED Proven Provider® our methods for documenting and earning LEED credits have been perfected over time and are trusted by the USGBC. We are truly experts as our team has collectively worked on over 400 LEED projects and 50 Million SF of commissioning, retro-commissioning, energy auditing, and energy modeling projects. What this means for you is that you will not miss any credits due to improper documentation or inexperience, and most importantly we can help you with every aspect of your LEED project. Most companies do not offer both LEED consulting and the engineering services required for some of the prerequisites and credits each project must earn, but we do. As a bonus, we have expertise in training professionals like yourself how to pass your LEED exams. We are a full-service LEED and green building consulting firm.

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

LEED 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

From Coast-to-Coast, SIG’s 2016 Earth Week

SIG started our Earth Week a little early when Michael Cichetti and Andrew Cheek supported Georgia State | Perimeter College’s Earth Day Expo on Friday, April 15th at their Clarkston campus. There was great attendance as many students got extra credit from their professors by attending the expo and writing reports about what they learned. Booths […]
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Earth Day: Recommendations for Tenant Engagement

Friday, April 22nd, 2016 is the 46th Earth Day Trees for the Earth Level 1: Occupant Awareness via Communication: Send an email to tenants each morning of Earth Week with a different tip or trick for living green. SIG can provide additional content if requested. Highlight green projects in the building so that tenants become […]
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