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About Us

Learn all about us in this short two-minute video!

CEO and Co-Founder of Sustainable Investment Group (SIG), Charlie Cichetti, provides an overview of SIG – a green building consulting firm headquartered in Atlanta, GA. SIG also has offices in Boulder, CO, Minneapolis, MN, New York, NY and San Francisco, CA.

SIG’s Mission:

Improving the built environment to inspire stewardship of the natural environment.

SIG’s Purpose:

SIG exists to create leaders in resource responsibility, cultivate enriching relationships, celebrate each other’s successes, and leave the world a better place than we found it.

SIG’s Vision:

SIG will be the premier sustainability resource for ALL aspects of commercial real estate.

Who We Are

Green building consultants a group photo of the SIG team - sustainable investment group's employees and team members

Sustainable Investment Group LLC (SIG) was founded to deliver sustainability services and education to the building and real estate industry. We provide LEED consulting, LEED training, and Technical services from our offices in Atlanta, GA, Boulder, CO, Minneapolis, MN and New York, NY.

Sustainability is not a side line for us, it is our primary focus. It is the core of our mission. We believe that sustainability is the only way forward. So do the biggest and most influential real estate companies. Just ask them, many of them are clients of ours. They know that making green improvements is good for the environment and good for business. All of our clients have become repeat customers. Making your buildings more sustainable in their operations will help you qualify for more contracts and attract better tenants.

SIG is a dedicated and experienced team, including design, construction, property management, and real estate professionals. We approach every project with an eye to how we can improve it for the people who use it, the efficient use of resources and capital, and the impact it will have on the community and the world.

We offer LEED training nationally and internationally, so we are always up to date on the latest sustainability developments and requirements. We are industry leaders because sustainability is all we do, we live it everyday. Our energetic and passionate team has a wealth of knowledge and experience and really believes in the work we do. We’re inspired about our role in the green building movement and we’re fun to work with.

When you leave your mark on the world what will it look like?

Work with us to make the built environment better for the people who use it, better for the community, and better for the planet.

SIG’s Core Values:

Support happiness and excellence

Promote sustainability through global education and local community involvement

Create win-win opportunities that bring value through honesty

Develop enduring ties and bring enthusiasm to everyone we know


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