Apollo.io
Sales engagement + 275M-contact database + AI assistant. 1M+ users at SMB + mid-market companies.
- Location
- San Francisco, United States
- Raised
- $251M+
- Stage
- Series D
- Founded
- 2015
- Category
- SaaS
- Funding
- VC-backed
- Team
- 501-1000
Funding figures as of Jul 2025 · not independently verified
Founders of Apollo.io
- Tim Zheng
- Ray Li
- Roy Chung
Investors backing Apollo.io
- Bain Capital Ventures
- Sequoia
- Tribe Capital
Frequently asked questions
What does Apollo.io do?
Sales engagement + 275M-contact database + AI assistant. 1M+ users at SMB + mid-market companies.
Where is Apollo.io based?
Apollo.io is based in San Francisco, United States.
When was Apollo.io founded?
Apollo.io was founded in 2015.
How much has Apollo.io raised?
Apollo.io has raised $251M+ in their Series D round as of Jul 2025.
Who founded Apollo.io?
Apollo.io was founded by Tim Zheng, Ray Li, Roy Chung.
Who has invested in Apollo.io?
Apollo.io is backed by Bain Capital Ventures, Sequoia, Tribe Capital.
How Apollo.io would pitch themselves
● Editorial01Target customer
SMB + mid-market sales teams (1-200 reps) priced out of ZoomInfo + Salesloft, doing outbound prospecting + sales engagement.
02Problem they solve
ZoomInfo + Salesloft + Outreach charge $20K+ per seat. SMB sales teams can't afford the legacy GTM stack. Founders + early sales hires need 1 platform for everything.
03Key differentiator
All-in-one — data + engagement + analytics + AI auto-prospecting at 1/5 the price of ZoomInfo. Product-led growth (free 200K-contact tier).
04Go-to-market strategy
Bottom-up self-serve (free tier converts to paid). Direct mid-market sales. Strong content marketing (B2B sales playbooks). Channel partnerships with HubSpot.