Apollo.io is a privately held AI-powered go-to-market (GTM) platform that combines sales intelligence, prospecting, engagement, data enrichment, workflow automation, and revenue execution capabilities into a single platform. The company helps sales, marketing, and revenue teams identify prospects, engage buyers, manage pipelines, and close deals more efficiently while reducing reliance on multiple disconnected software tools.
Apollo was founded in 2015 by:
The company originally operated under the name ZenProspect before evolving into Apollo.io as it expanded from a prospecting tool into a comprehensive GTM platform.
The idea for Apollo originated from founder Tim Zheng's experience operating an earlier startup, where he encountered challenges with fragmented sales technologies and ineffective prospecting solutions. Apollo was built to unify prospecting data and sales execution within a single platform.
Apollo provides a broad range of capabilities that cover the entire sales cycle.
Apollo maintains one of the industry's largest B2B databases, including:
Key prospecting capabilities include:
Saved searches and account lists
Apollo provides built-in engagement tools such as:
Calling and dialer functionality
Apollo supports:
Historically, Apollo focused primarily on internal product development. However, it has increasingly used acquisitions to strengthen its GTM platform capabilities.
In 2026, Apollo acquired Pocus, a revenue intelligence platform specializing in identifying and prioritizing revenue opportunities using behavioral signals and CRM intelligence.
The acquisition added capabilities including:
The acquisition reflects Apollo's strategy of evolving from a sales engagement platform into a comprehensive AI-native revenue operating system
Apollo continuously expands its platform through new feature releases and AI enhancements.
Recent AI developments include:
Sales workflow assistance
Apollo has expanded automation capabilities through:
Data enrichment workflows
Newer conversation-focused capabilities include:
Apollo's culture centers around democratizing access to powerful sales and revenue technologies.
Apollo's stated mission is:
"Making world-class go-to-market accessible to everyone."
The company emphasizes:
Apollo has built one of the largest communities in the sales intelligence and GTM software market.
The company reports:
More than 100,000 paying customers
Apollo serves:
Business development teams
Publicly referenced customers include:
Apollo
By Apollo.io
