Sustainable Investment Group | A full-service national LEED solutions provider. LEED consulting, engineering, and training all in-house. Sustainable Investment Group
  • ENERGY STAR Partner of the Year 2018 logo over photo of atlanta skyline at piedmont park, ENERGY STAR, ENERGY STAR Partner of the Year

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 3rd party 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®, WELL®, Fitwel®, ENERGY STAR®, GRESB®, Green Globes®, Earth Craft®, and more!

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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, New York, NY, and San Francisco, CA, 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.

Energy 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.



SIG’s Top 10 ENERGY STAR Projects for 2018

1) 11 Madison Avenue, New York, NY Client: SL GreenENERGY STAR Score: 87SIG Engineer: Jeff Stewart Property Address:11 Madison AvenueNew York, NY 10010 2) Chandler Building, Charlotte, NC Client: Northwood OfficeENERGY STAR Score: 95SIG Engineer: Jeff Stewart Property Address:13860 Ballantyne Corporate PlaceCharlotte, NC 28277 3) Scripps Center, Cincinnati, OH Client: Mayerson CompanyENERGY STAR Score: 90SIG […]
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SIG’s Top 10 Projects for 2018

499 Park Avenue – New York, NY499 Park Avenue is a 28-story office multi-tenant office building designed by I.M. Pei and located on the highly desirable corner of Park Avenue and 59th Street in Manhattan. In October 2018, the Hines-managed building earned 61 points to achieve LEED EB Gold certification, bolstered by an ENERGY STAR score of 76, Renewable […]
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