GTM DATA SOURCES GUIDE 2026

Most GTM teams struggle with outbound not because their messaging is bad but because their data is incomplete, outdated, or simply the wrong type. When your data source does not match your workflow, every part of your outreach suffers. This guide removes the guesswork.

You will learn how each major data source category works and how to choose the right one for your stage, your goals, and your outbound motion. Everything inside is practical, clear, and ready to apply today.

Inside you will get:

• A simple explanation of all primary B2B data types

• Cost ranges, data freshness expectations, and accuracy considerations

• Practical use cases for outbound, sales, marketing, and operations

• Templates that show how to combine data sources for better results

• Evaluation criteria to help you choose the right provider for your workflow

Stop guessing which data source you need and start making decisions based on clarity and context. This guide will help you choose the right data with confidence.