Customer.io vs Resend: Revenue, Funding & Team Size Compared
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Customer.io generates $100M in revenue; Resend generates $5M. Customer.io is 20× bigger than Resend by revenue. The table below compares Customer.io and Resend on funding, valuation, customers, team size and headquarters — every figure GetLatka has verified for each company.
| Company |  Customer.ioThis company |  Resend |
|---|---|---|
| Revenue | $100M | $5M |
| Valuation | $690M | Not disclosed |
| Funding raised | $40.3M | Not disclosed |
| Customers | 2.9K | Not disclosed |
| Team size | 250 | 22 |
| Founded | 2012 | 2023 |
| HQ | Portland, United States | San Francisco, United States |
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Customer.io at a glance
Customer.io generates $100M in revenue with 250 employees, headquartered in Portland, United States.
- Revenue
- $100M
- Valuation
- $690M
- Funding
- $40.3M
- Customers
- 2.9K
- Team size
- 250
- Founded
- 2012
Customer.io is a SaaS messaging and marketing automation platform founded in April 2012 by Colin Nederkoorn and a co-founder he met while working in New York. The company enables businesses to send targeted emails and other messages based…
Resend at a glance
Resend generates $5M in revenue with 22 employees, headquartered in San Francisco, United States.
- Revenue
- $5M
- Team size
- 22
- Founded
- 2023
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Other Customer.io alternatives
Customer.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.
Customer.io vs Resend: frequently asked questions
Is Customer.io or Resend bigger?
Customer.io is the bigger company by revenue, at $100M against $5M for Resend.
How much revenue does Customer.io make?
Customer.io generates $100M in annual revenue with a team of 250.
How much revenue does Resend make?
Resend generates $5M in annual revenue with a team of 22.
How much funding has Customer.io raised?
Customer.io has raised $40.3M in total funding since it was founded in 2012.