SparkPost vs Whispir: Revenue, Funding & Team Size Compared
SparkPost generates $17.7M in revenue; Whispir generates $20.7M. Whispir is 1.2× bigger than SparkPost by revenue. The table below compares SparkPost and Whispir on funding, valuation, customers, team size and headquarters — every figure GetLatka has verified for each company.
| Company |  SparkPostThis company |  Whispir |
|---|---|---|
| Revenue | $17.7M | $20.7M |
| Valuation | $600M | $144.6M |
| Funding raised | $273.5M | $68.8M |
| Customers | 20K | 500 |
| Team size | 211 | 87 |
| Cash flow | $1 | Not disclosed |
| Founded | 2008 | 2002 |
| HQ | United States | Melbourne, Australia |
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SparkPost at a glance
SparkPost generates $17.7M in revenue with 211 employees, headquartered in United States.
- Revenue
- $17.7M
- Valuation
- $600M
- Funding
- $273.5M
- Customers
- 20K
- Team size
- 211
- Founded
- 2008
SparkPost is an email delivery and optimization platform.
Whispir at a glance
Whispir generates $20.7M in revenue with 87 employees, headquartered in Melbourne, Australia.
- Revenue
- $20.7M
- Valuation
- $144.6M
- Funding
- $68.8M
- Customers
- 500
- Team size
- 87
- Founded
- 2002
Bring together your SMS, voice messaging, email, social and more to communicate with your audiences from a single platform. Try Whispir for free for 14 days!
Other SparkPost alternatives
SparkPost competes with more than the companies on this page. Browse the full alternative lists to compare revenue, funding and team size across the category.
SparkPost vs Whispir: frequently asked questions
Is SparkPost or Whispir bigger?
Whispir is the bigger company by revenue, at $20.7M against $17.7M for SparkPost.
How much revenue does SparkPost make?
SparkPost generates $17.7M in annual revenue with a team of 211.
How much revenue does Whispir make?
Whispir generates $20.7M in annual revenue with a team of 87.
How much funding has SparkPost raised?
SparkPost has raised $273.5M in total funding since it was founded in 2008.
How much funding has Whispir raised?
Whispir has raised $68.8M in total funding since it was founded in 2002.