Siftsciencerevenue, valuation & funding
E-commerce Fraud Protection SoftwareSan Francisco, CaliforniaFounded 2011CEO Kris Nagel
Siftscience is fraud prevention and risk management platform.
Siftscience revenue
Siftscience has not published its revenue. GetLatka estimates it at about $35M a year (December 2025).
All 4 revenue readings, with sources
| As of | Revenue | Source |
|---|---|---|
| Jan 2021 | $17.2M | – |
| Dec 2023 | $20.3MEST. | GetLatka estimate |
| Oct 2024 | $30.3MEST. | GetLatka estimate |
| Dec 2025 | $35MEST. | GetLatka estimate |
– source not recorded
Siftscience valuation
Siftscience is privately held, so there is no Siftscience stock to buy. Investors valued it at $1B in its April 2021 Series E.
Siftscience funding rounds & investors
Siftscience has raised $156.5M across six rounds since 2011. The latest was a $50M Series E in April 2021.
| Date | Round | Raised | Valuation |
|---|---|---|---|
| Apr 2021 | Series E | $50M | $1B |
| Mar 2018 | Series D | $53M | – |
| Jul 2016 | Series C | $30M | – |
| May 2014 | Series B | $18M | – |
| Mar 2013 | Series A | $4M | – |
| Sep 2011 | Seed | $1.5M | – |
| Total raised | $156.5M |
Siftscience competitors
Siftscience competes most directly with Riskified, Signifyd and Forter.
Riskified
Signifyd
ForterSiftscience CEO, founders & employees
Kris Nagel founded Siftscience in 2011 and runs it as CEO. Siftscience has 318 employees (December 2025, LinkedIn), down from 341 a year earlier.
- Kris NagelCo-founder & CEO
BoardLee Senderov, Ron Shah, Saagar Kulkarni, Albert Wenger, Jeff Lieberman
All 13 headcount readings, with sources
| As of | Employees | Source |
|---|---|---|
| Dec 2025 | 318 | |
| Nov 2025 | 322 | |
| Dec 2024 | 341 | |
| Oct 2024 | 360 | |
| Dec 2023 | 360 | |
| Sep 2023 | 360 | – |
| Jul 2023 | 314 | – |
| 2023 | 336 | – |
| Dec 2022 | 339 | |
| 2022 | 360 | – |
| Dec 2021 | 365 | |
| Aug 2021 | 321 | – |
| Jan 2021 | 175 | – |
Siftscience FAQ
How much money does Siftscience make?
Siftscience has not published its revenue. GetLatka estimates about $35M a year (December 2025).
How much is Siftscience worth?
Companies don't publish a net worth. The closest figure is Siftscience's valuation: $1B, set in Apr 2021.
Who owns Siftscience?
Siftscience is privately held by its founders, employees and investors.
Is Siftscience publicly traded?
No. Siftscience is a private company, so its shares are not listed on a stock exchange.
How much funding has Siftscience raised?
$156.5M across 6 rounds; the latest was a $50M Series E in April 2021.
Who is the CEO of Siftscience?
Kris Nagel, a co-founder.
Who founded Siftscience?
Kris Nagel, in 2011.
How many employees does Siftscience have?
About 318 as of December 2025 (LinkedIn).
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How this page is sourced
7 from public sources · 3 estimates. Founder figures link to the second they were said; public figures name their source; estimates are marked EST. and say whose they are. Not financial advice.
Updated Dec 22, 2025Data disclaimerReport a correctionClaim this profileRun Siftscience? Join the podcast