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Apollo.io
Apollo.io

Apollo.io

Series D

Apollo.io is an AI-powered go-to-market sales intelligence and engagement platform.

HQ
San Francisco, CA, US
Founded
2015
Accelerator
Y Combinator logoY CombinatorW16
Overview
Compare
Fundraising
Employees
News

Apollo.io provides an all-in-one AI-powered sales platform that combines a database of over 275 million B2B contacts across 70 million companies with tools for outbound prospecting, inbound qualification, and deal execution. Its integrated product suite includes AI-driven list building, multi-channel email sequencing, a built-in dialer, meeting scheduling, and CRM integrations with Salesforce and HubSpot.

Founded in 2015, the company serves more than 3 million users across over 600,000 companies globally, ranging from early-stage startups to enterprise teams. Its AI Assistant automates list building and personalized outreach, while the platform's unified data, sequencing, and execution approach differentiates it from standalone data providers or dedicated engagement tools.

Apollo.io - Products & Services

  • Apollo AI logo

    Apollo AI

    Apollo AI is an AI assistant automating list building, enrichment, and personalized outreach for GTM teams.

  • Apollo Outreach logo

    Apollo Outreach

    Apollo Outreach is a multichannel sales engagement platform with email sequencing, dialer, LinkedIn tasks, and AI-powered personalization built into Apollo.io.

  • Apollo Data logo

    Apollo Data

    Apollo Data is a B2B contact database with over 275 million verified contacts and company profiles.

Apollo.io - Similar Companies

Lusha logo

Lusha

Outreach logo

Outreach

SalesLoft logo

SalesLoft

ZoomInfo logo

ZoomInfo

zoominfo.com

LeadFuze logo

LeadFuze

leadfuze.com

Perfect Leads logo

Perfect Leads

StackLead logo

StackLead

Demandbase logo

Demandbase

B2B Rocket logo

B2B Rocket

b2brocket.ai

Intently logo

Intently

getintently.ai

LeadGenius logo

LeadGenius

leadgenius.com

Persana AI logo

Persana AI

persana.ai

SellScale logo

SellScale

sellscale.com

Autobound logo

Autobound

autobound.ai

SalesSift logo

SalesSift

salessift.com

Apollo.io - Quick Facts

Who are Apollo.io's competitors?

Companies similar to Apollo.io include SalesLoft, Outreach, Lusha and ZoomInfo.

When was Apollo.io founded?

Apollo.io was founded in 2015.

Where is Apollo.io's headquarters located?

Apollo.io's headquarters is located in San Francisco, CA, US.

When was Apollo.io's last funding round?

Apollo.io's most recent funding round was for $100M (USD) in August 2023.

How much has Apollo.io raised to-date?

As of Aug 29, 2023, Apollo.io has raised a total of $251.3M (USD).

How many employees does Apollo.io have?

Apollo.io has 1,600 employees as of Jan 1, 2026.

Apollo.io - Classification

Ownership
  • Private Equity
  • Venture Capital
Technology
  • AI
  • Machine Learning
Geographic Exposure
  • Global
Model
  • Platform
Revenue
  • Recurring
  • Software
  • Usage-based
Customer
  • Enterprises
  • SMB
Tags
  • Data
  • SaaS
NAICS
  • 513200Software Publishers
  • 510000Information
  • 513000Publishing Industries
  • 513210Software Publishers
SIC
  • 7300Business Services
  • 7370Computer Programming, Data Processing, And Other Computer Related
  • 7372Prepackaged Software