Apollo
apollo.ioA defining prospecting plus outreach platform.
Alternatives
These products are placed in Lead enrichment & prospecting data alongside Clay. The order reflects how much of Clay’s category footprint each one covers. It is not a ranking, and no company can pay to appear here.
Back to the Clay record →A defining prospecting plus outreach platform.
A major compliance-focused B2B data provider.
The enterprise B2B data incumbent.
Category placement comes from the classifier and human review, not from a paid submission. A product missing from this page has either not entered the Niched research set or carries no category assignment yet. Absence is never evidence against it. Read the method or submit a missing product.