This document provides a guide to data-driven sales prospecting. It discusses how sales prospecting has become more complex but also more crucial in today's business environment. It advocates adopting a data-driven approach to sales prospecting by leveraging different types of company data at each step, including defining the ideal customer profile, finding matching companies, tapping automation, personalized outreach, and evaluation. The document explains key concepts like firmographics, technographics, buying signals, and intent data that are important for a comprehensive understanding of company data to enable effective data-driven sales prospecting.