Sustainable Investment Group | A full-service national LEED solutions provider. LEED consulting, engineering, and training all in-house. Sustainable Investment Group

Sustainable Investment Group (SIG) | National LEED Solutions

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. So trusted in fact, we are the only consultants to have our own LEED Volume program. We have worked on over 400 LEED projects and 50 Million SF of commissioning, retro-commissioning, energy auditing, ENERGY STAR, and energy modeling projects. 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 on how to pass your LEED exams and save energy at your property. We are a full-service LEED and green building consulting firm offering our clients support with LEED®, ENERGY STAR®, GRESB®, Green Globes®, Earth Craft®, and more!

Our Services

LEED Training

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.


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.

LEED Engineering

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.



The History of ENERGY STAR

ENERGY STAR was once an unfamiliar program in the United States. However, it is now the international standard for energy efficient consumer products. It was launched in 1992 by the Department of Energy and Environmental Protection Agency (EPA). Since its creation, the program has been adopted in numerous countries such as Canada, the European Union, […]
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GREENBUILD 2016: Iconic Green

At GREENBUILD 2016, we will celebrate the icons of our industry in the iconic city of Los Angeles, CA. As the largest international conference and expo on sustainable building, GREENBUILD brings together leaders in the industry as well as professionals and experts that specialize in green building. Throughout the event there are opportunities to listen to speakers, […]
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