Data Enrichment
Last updated March 25, 2026
Data enrichment is the process of appending additional firmographic, demographic, and technographic data to existing lead records from external sources.
Data enrichment adds missing information to lead and contact records by pulling data from external providers. This includes company details like revenue, employee count, and technology stack, plus contact details like direct phone numbers, verified emails, and job titles. AI-powered enrichment tools like Clay waterfall multiple data providers to maximize coverage, while platforms like Clearbit and ZoomInfo provide real-time enrichment from their own databases.
Related Terms
Frequently Asked Questions
What is waterfall enrichment?
Waterfall enrichment queries multiple data providers in sequence for each record, using the first successful result. Clay pioneered this approach by connecting 75+ providers to maximize data coverage.
How accurate is enriched data?
Accuracy varies by provider and data type. Email accuracy is typically 90-95% from top providers. Phone number accuracy is lower at 70-85%. Company data like revenue and employee count can be directional rather than exact.
How much does data enrichment cost?
Costs range from free tiers with limited credits to enterprise pricing. Apollo offers free enrichment, Clearbit is free through HubSpot, and Clay starts at $134 per month with credits.