Klaviyo vs RTB House: Revenue, Funding & Team Size Compared
Klaviyo generates $778M in revenue; RTB House generates $474.2M. Klaviyo is 1.6× bigger than RTB House by revenue. The table below compares Klaviyo and RTB House on funding, valuation, customers, team size and headquarters — every figure GetLatka has verified for each company.
| Company |  KlaviyoThis company |  RTB House |
|---|---|---|
| Revenue | $778M | $474.2M |
| Valuation | $9.2B | $7.1B |
| Funding raised | $678.5M | Not disclosed |
| Customers | 146K | Not disclosed |
| Team size | 2.9K | 1.2K |
| Cash flow | $1 | Not disclosed |
| Founded | 2012 | 2012 |
| HQ | Boston, United States | Warsaw, Poland |
Want the full dataset? GetLatka tracks revenue, funding and team history for thousands of SaaS companies, with charts, growth rates and founder interviews.
Klaviyo at a glance
Klaviyo generates $778M in revenue with 2.9K employees, headquartered in Boston, United States.
- Revenue
- $778M
- Valuation
- $9.2B
- Funding
- $678.5M
- Customers
- 146K
- Team size
- 2.9K
- Founded
- 2012
Klaviyo is an American technology company that provides a marketing automation platform, used primarily for email marketing and SMS marketing. It is designed to help grow businesses with personalized newsletters and automated emails.
RTB House at a glance
RTB House generates $474.2M in revenue with 1.2K employees, headquartered in Warsaw, Poland.
- Revenue
- $474.2M
- Valuation
- $7.1B
- Team size
- 1.2K
- Founded
- 2012
RTB House is a global marketing technology company that provides retargeting and programmatic advertising solutions for online businesses. The company was founded in 2012 and is headquartered in Warsaw, Poland, with offices in more than 30…
Other Klaviyo alternatives
Klaviyo competes with more than the companies on this page. Browse the full alternative lists to compare revenue, funding and team size across the category.
Klaviyo vs RTB House: frequently asked questions
Is Klaviyo or RTB House bigger?
Klaviyo is the bigger company by revenue, at $778M against $474.2M for RTB House.
How much revenue does Klaviyo make?
Klaviyo generates $778M in annual revenue with a team of 2.9K.
How much revenue does RTB House make?
RTB House generates $474.2M in annual revenue with a team of 1.2K.
How much funding has Klaviyo raised?
Klaviyo has raised $678.5M in total funding since it was founded in 2012.