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. 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

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.



3rd Time’s The Charm

Tesla Model 3 Review   Elon Musk, Co-founder, CEO, and Product Architect of Tesla Motors has a dream to make performance electric vehicles (EVs) affordable for the average family.  Near the end of 2017, he plans to do just that with the release of Tesla’s Model 3.  In an interview in Norway on April 21st, 2016, […]
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Bike to Work

Bike to Work May 20th! By Alyson Laura Sustainability Maven LEED AP BD+C, O+M After the pollen of Spring’s first blooms settle, another rite of Spring visits the streets – Bike to Work Day.  If you’ve ever thought about reducing your personal carbon footprint with a human-powered commute, May is the month. You will be supported by […]
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