Proof | 4,081 followers on LinkedIn. Your Impact Intelligence Platform - drive growth through the lens of social and environmental sustainability. | Proof is your Impact Intelligence Platform, the all-in-one sustainability solution for SMB CEOs. Proof offers a simple, effective, and intelligent ESG & Impact Measurement solution. The platform has built-in functionality to manage the entire sustainability stack, including setting metrics, collecting data, analyzing results, and publishing beautiful, impact & ESG reports to investors and stakeholders.