IMImobile vs Sierra: Revenue, Funding & Team Size Compared
IMImobile generates $241.7M in revenue; Sierra generates $200M. IMImobile is 1.2× bigger than Sierra by revenue. The table below compares IMImobile and Sierra on funding, valuation, customers, team size and headquarters — every figure GetLatka has verified for each company.
| Company |  IMImobileThis company |  Sierra |
|---|---|---|
| Revenue | $241.7M | $200M |
| Valuation | $730M | $15.8B |
| Funding raised | $13M | $1.6B |
| Team size | 835 | 700 |
| Growth | Not disclosed | 100% |
| Founded | 1999 | 2023 |
| HQ | London, United Kingdom | San Francisco, United States |
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IMImobile at a glance
IMImobile generates $241.7M in revenue with 835 employees, headquartered in London, United Kingdom.
- Revenue
- $241.7M
- Valuation
- $730M
- Funding
- $13M
- Team size
- 835
- Founded
- 1999
IMImobile is a cloud communication software that helps users manage customer interactions at scale.
Sierra at a glance
Sierra generates $200M in revenue with 700 employees, headquartered in San Francisco, United States.
- Revenue
- $200M
- Valuation
- $15.8B
- Funding
- $1.6B
- Team size
- 700
- Founded
- 2023
Sierra is the conversational AI platform for businesses. We help companies elevate their customer experience with AI.
Other IMImobile alternatives
IMImobile competes with more than the companies on this page. Browse the full alternative lists to compare revenue, funding and team size across the category.
IMImobile vs Sierra: frequently asked questions
Is IMImobile or Sierra bigger?
IMImobile is the bigger company by revenue, at $241.7M against $200M for Sierra.
How much revenue does IMImobile make?
IMImobile generates $241.7M in annual revenue with a team of 835.
How much revenue does Sierra make?
Sierra generates $200M in annual revenue with a team of 700.
How much funding has IMImobile raised?
IMImobile has raised $13M in total funding since it was founded in 1999.
How much funding has Sierra raised?
Sierra has raised $1.6B in total funding since it was founded in 2023.