SPN [business ecology] provides sustainable design consulting services from feasibility and ROI studies through implementation phases of real estate projects. We develop and optimize site, envelope, water, energy and materials solutions, and create effective marketing strategies that communicate the value of sustainable design. Our services include developing LEED-certified buildings for clients. Our team has certified over twenty LEED projects at the Silver, Gold and Platinum level. We work closely with owners and their project teams to develop and maintain sustainable buildings and portfolios that deliver superior returns on investment.