Sunbase, a US-based clean-energy software provider, has introduced ProposaFlow as a standalone proposal platform built around its satellite-based Solar Designer tool. The system generates 3D rooftop layouts, performs automated energy and subsidy calculations, and produces instant branded proposals supported by financing features. Sunbase has said that the platform reduces proposal preparation time by more than 70% and integrates with its CRM and workflow tools. Its integration with Sunbase’s CRM and workflow tools has strengthened sales efficiency and improved homeowner confidence through precise visualizations and financial modeling.