Apollo.io vs ZoomInfo

ZoomInfo has 43x Apollo.io's headcount on LinkedIn (3,506 vs 82 employees). Both are headquartered in the United States. Apollo.io lists 1 office location, ZoomInfo lists 9. Both list lead generation, sales intelligence and sales engagement as specialities.

Key facts for Apollo.io and ZoomInfo from the Enrich Layer Company API.

Side by side

FactApollo.ioZoomInfo
Employees823,506
Company size501 to 1,000 employees1,001 to 5,000 employees
IndustrySoftware DevelopmentSoftware Development
HeadquartersSan Francisco, California, USVancouver, Washington, US
Company typePrivately HeldPublic Company
Office locations19
LinkedIn followers146,903294,278

Shared specialities

  • lead generation
  • sales intelligence
  • sales engagement
  • conversation intelligence

Apollo.io company profileZoomInfo company profile

Apollo.io vs ZoomInfo FAQ

As of 2026-10-05, ZoomInfo is bigger, with 3,506 employees compared with 82 at Apollo.io.
Apollo.io vs ZoomInfo | Enrich Layer