Apollo.io logo

Apollo.io

Enterprise · San Francisco, California, United States · 251–1,000 employees

EnterpriseB2BAutomationTechnologyInformation Technology & ServicesSAAS

About Apollo.io

Apollo.io is a sales intelligence platform that helps businesses find, engage, and convert leads at scale with a database of over 275 million contacts and 73 million companies.

Company Details

Headquarters
San Francisco, California, United States
Website
meetapollo.io
Industry
Enterprise
Employees
251–1,000 employees
Estimated Revenue
$50M–$100M
Founded
2015 (11 years)
LinkedIn
View company page

Frequently Asked Questions

Apollo.io operates in Enterprise, B2B, Automation, Technology, Information Technology & Services, SAAS.

Apollo.io is based in San Francisco, California, United States.

Apollo.io has 251–1,000 employees.

Apollo.io was founded in 2015.

Track whether Apollo.io visits your website and see intent signals in real time with DigitalPilot's visitor intelligence — try it free.

Other Enterprise Companies in California

Apple Cupertino · 100K+ employees Disney Burbank · 100K+ employees Google Mountain View · 100K+ employees Meta Menlo Park · 10,001+ employees ServiceNow Santa Clara · 10,001+ employees Intuit Mountain View · 10K–50K employees

See all Enterprise companies in California →

Is Apollo.io your ideal customer?

DigitalPilot tells you the moment a company like Apollo.io visits your website — no cookies, no forms — so your team can reach out while intent is warm.

Try it free Talk to sales

Company data last verified September 14, 2026.