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Sustainable Investment Group (SIG)

Atlanta  |  Boulder  |  Los Angeles  |  Minneapolis  |  New York  |  San Francisco | Washington, D.C.

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“Working with SIG for the last three years has been a great experience that has resulted in an exceptional working relationship, improved building operational performance, and, through their guidance, becoming the world’s largest LEED certified convention center.”

Timothy Trefzer
Sustainability Manager
Georgia World Congress Center Authority
Atlanta, GA

SIG is your one-stop shop for all sustainability needs when building a partnership with the environment so please contact us now for a free consultation. Let us help guide your progress and design win-win solutions for people, the planet, and your profit.

As the premier sustainability resource in North America, SIG can be trusted to bring you up to speed on the latest emerging trends. We make it our priority to master new rating systems and bring you the most streamlined professional services to enhance your built environment.

Sustainable Investment Group’s Most Popular Services:
• ASHRAE Energy Audits
• Commissioning and Retro-Commissioning
• Energy Benchmarking (Local Law) Compliance
• Energy Modeling
• ENERGY STAR Benchmarking and Verification
• Feasibility Study / Gap Analysis
• Fitwel Building Certification
• LEED Consulting (New Construction and Existing Buildings)
• LEED Volume Certification
• Well Building Certification

Got a great idea, and not sure how to execute it? We love solving those problems. If evolving your commercial property into a sustainable oasis is part of your vision, SIG will be your best partner. We’ll get you the training you need, layout a path for success, and crunch all the numbers.

For more information about how you can design, build, and operate your buildings greener, please contact Asa Posner at We look forward to working with you!