About Us

Your Partner in Sustainability:
At SIG, we believe in a world where every building is a testament to sustainability. We are here to help you turn your environmental goals into achievable milestones.

Our Story:
Our journey began with a simple mission: to bring sustainability services and education to the building and real estate industry. Over the years, we’ve grown and expanded, now serving the entire A.E.C. (architecture, engineering, and construction) marketplace. We’ve walked alongside countless clients, helping them transform their spaces and practices into models of sustainability.

photo of modern office interior with a living green wall

Services Tailored to Your Needs:

Think of us as your one-stop shop for sustainability. Our services are designed to help you achieve your goals through:

Sustainability Consulting: Tailored advice on sustainability practices, including LEED, WELL, and Fitwel certifications.

Energy Services: Strategies to improve energy performance and manage GHG emissions, ensuring operational efficiencies.

ESG Reporting: Development of comprehensive ESG reports that communicate your sustainability efforts to stakeholders effectively.

Training Programs: Equip your team with the knowledge and skills to implement impactful sustainable practices.

Engineering Solutions: Services such as energy modeling, decarbonization studies, and commissioning to enhance building performance.

Climate Investment Solutions: Assistance with green finance modeling and implementation, including tax credits, rebates, grants, loans, and more.

Our deep understanding of platforms like LEED, WELL, Fitwel, ENERGY STAR, and ESG Reporting Frameworks (GRESB, GRI, CDP) means we are well-equipped to support you, no matter where you are on your sustainability path.

To learn more about our full range of services, please visit our Expertise Page.

Our Commitment to Excellence:
At SIG, our awards and recognitions, such as being a LEED Proven Provider and an ENERGY STAR Elite Member, are a testament to our dedication to quality and results. These honors mean that you are partnering with a team that is consistently recognized for excellence in sustainability. When you work with us, you benefit from our proven track record of success and our commitment to helping you achieve your sustainability goals.

Your Trusted Partner:
We understand that sustainability can seem daunting, but with our team by your side, you’re never alone. Our mission is to help you navigate environmental risks and transform them into opportunities for growth and innovation.

What Our Clients Say:
“I have continued to recommend SIG’s work throughout my organization as our list of ESG initiatives grows over time and we garner support from various teams at Bridge to pursue a given initiative. We are very thankful for our Commercial Office’s team existing relationship with SIG which helped build a foundation for collaboration across other areas of the company.” – Isela Rosales, Managing Director, Global Head of Sustainability and Responsibility at Bridge Investment Group

Join Us on This Journey:
At SIG, sustainability is not just part of what we do—it is the essence of our mission. We are committed to building a better world through better buildings and innovative solutions. Together, we can create a sustainable future. Let us be the trusted partner you rely on for all your sustainability needs.


SIG’s Core Values

Quality of life

Quality of life

Support happiness and excellence

Quality of life

Environmental stewardship

Promote sustainability through global education and local community involvement

Quality of life


Create win-win opportunities that bring value through honesty

Quality of life


Develop enduring ties and bring enthusiasm to everyone we know

Our Locations

For more information about our services, or if you would like to schedule a LEED Exam Prep Class, please contact Asa Posner

Sustainable Investment Group (SIG) Atlanta Headquarters 1155 Mt Vernon Highway NE Suite 800 Atlanta, GA 30338


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