Valuation
$1B
2025 Revenue
$35M(Est.)
Customers
100
Funding
$156.5M
YOY
15.3%
Avg ACV
$349.8K
Team
318
Founded
2011
Siftscience Revenue, Valuation & Funding (2025)
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Siftscience Revenue
In 2025, Siftscience's revenue reached $35M. The company previously reported $30.3M in 2024. Since its launch in 2011, Siftscience has shown consistent revenue growth.
| Year | Milestone | Source |
|---|---|---|
| 2025 | Siftscience Hit $35m revenue in December 2025 | Estimated |
| 2024 | Siftscience Hit $30.3m revenue in October 2024 | Estimated |
| 2023 | Siftscience Hit $20.3m revenue in December 2023 | Estimated |
| 2021 | Siftscience Hit $17.2m revenue in January 2021 | |
| 2011 | Launched with $0 revenue |
Siftscience Valuation, Funding Rounds
Siftscience reached a $1B valuation in 2021, set during its Series E round.
Siftscience has raised $156.5M in total funding across 6 rounds, most recently a $50M Series E round in 2021.
| Year | Round | Amount | Valuation | % Sold | Source |
|---|---|---|---|---|---|
| 2021 | Series E | $50M | $1B | 5% | |
| 2018 | Series D | $53M | - | - | |
| 2016 | Series C | $30M | - | - | |
| 2014 | Series B | $18M | - | - | |
| 2013 | Series A | $4M | - | - | |
| 2011 | Seed Round | $1.5M | - | - |
Founder / CEO
Q&A
| Question | Answer |
|---|---|
| What's your age? | - |
| Favorite online tool? | - |
| Favorite book? | - |
| Favorite CEO? | - |
| Advice for 20 year old self | - |
Customers
Siftscience serves 100 customers.
Siftscience Employees & Team Size
Siftscience employs approximately 318 people as of 2026, down from 341 in 2024, including 63 sales reps that carry a quota. It serves 100 customers that rely on its solutions.
| Year | Milestone | Source |
|---|---|---|
| 2025 | Reached 318 employees (December 2025) | |
| 2025 | Reached 322 employees (November 2025) | |
| 2024 | Reached 341 employees (December 2024) | |
| 2024 | Reached 360 employees (October 2024) | |
| 2023 | Reached 360 employees (December 2023) | |
| 2023 | Reached 360 employees (September 2023) | |
| 2023 | Reached 314 employees (July 2023) | |
| 2023 | Reached 336 employees (January 2023) | |
| 2022 | Reached 339 employees (December 2022) | |
| 2022 | Reached 360 employees (January 2022) | |
| 2021 | Reached 365 employees (December 2021) | |
| 2021 | Reached 321 employees (August 2021) | |
| 2021 | Reached 175 employees (January 2021) |
Frequently Asked Questions about Siftscience
What is Siftscience's revenue?
Siftscience generates an estimated $35M in annual revenue.
Who founded Siftscience?
Siftscience was founded by Kris Nagel.
Who is the CEO of Siftscience?
The CEO of Siftscience is Kris Nagel.
How much funding does Siftscience have?
Siftscience raised $156.5M across 6 rounds.
How many employees does Siftscience have?
Siftscience has 318 employees.
Where is Siftscience headquarters?
Siftscience is headquartered in San Francisco, California, United States.
Compare Siftscience to the industry
Siftscience operates across multiple industries. Browse revenue, funding, and growth data for Siftscience in each sector below.
Data and Sources
All figures on this page are taken directly from interviews or are estimates from public sources and proprietary models. Not financial advice. Read full disclaimer.
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