Apollo.io vs Callbox Inc.: Revenue, Funding & Team Size Compared
Apollo.io generates $150M in revenue; Callbox Inc. generates $150.3M. Callbox Inc. and Apollo.io are close to the same size by revenue. The table below compares Apollo.io and Callbox Inc. on funding, valuation, customers, team size and headquarters — every figure GetLatka has verified for each company.
| Company |  Apollo.ioThis company |  Callbox Inc. |
|---|---|---|
| Revenue | $150M | $150.3M |
| Valuation | $1.6B | Not disclosed |
| Funding raised | $251.3M | Not disclosed |
| Customers | 5K | Not disclosed |
| Team size | 800 | Not disclosed |
| Growth | 50% | Not disclosed |
| Founded | 2015 | 2004 |
| HQ | San Francisco, United States | Encino, United States |
Want the full dataset? GetLatka tracks revenue, funding and team history for thousands of SaaS companies, with charts, growth rates and founder interviews.
Apollo.io at a glance
Apollo.io generates $150M in revenue with 800 employees, headquartered in San Francisco, United States.
- Revenue
- $150M
- Valuation
- $1.6B
- Funding
- $251.3M
- Customers
- 5K
- Team size
- 800
- Founded
- 2015
Apollo.io is a sales engagement and prospecting platform that helps businesses generate leads and grow their sales pipeline. Their platform provides users with access to a database of millions of business contacts, which can be searched…
Callbox Inc. at a glance
Callbox Inc. generates $150.3M in revenue, headquartered in Encino, United States.
- Revenue
- $150.3M
- Founded
- 2004
Callbox is a worldwide recognized leader in B2B Lead Generation powered by AI and human expertise, having been one of the top lead generation experts for the past many years. With a team of over 700 marketing professionals and a massive…
Other Apollo.io alternatives
Apollo.io competes with more than the companies on this page. Browse the full alternative lists to compare revenue, funding and team size across the category.
Apollo.io vs Callbox Inc.: frequently asked questions
Is Apollo.io or Callbox Inc. bigger?
Callbox Inc. is the bigger company by revenue, at $150.3M against $150M for Apollo.io.
How much revenue does Apollo.io make?
Apollo.io generates $150M in annual revenue with a team of 800.
How much revenue does Callbox Inc. make?
Callbox Inc. generates $150.3M in annual revenue.
How much funding has Apollo.io raised?
Apollo.io has raised $251.3M in total funding since it was founded in 2015.