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 NagelFounder & 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
What is Siftscience's revenue?
GetLatka estimates Siftscience's revenue at about $35M a year (December 2025). The company hasn't published its own figure.
What is Siftscience's valuation?
Investors valued Siftscience at $1B in its April 2021 Series E.
How much funding has Siftscience raised?
Siftscience has raised $156.5M across six funding rounds. The latest was a $50M Series E in April 2021.
Is Siftscience publicly traded?
No. Siftscience is a private company, so its shares aren't traded on a stock exchange.
How many employees does Siftscience have?
Siftscience has 318 employees as of December 2025, according to LinkedIn.
Who is the CEO of Siftscience?
Kris Nagel is the CEO of Siftscience and founded the company in 2011.
Who founded Siftscience?
Kris Nagel founded Siftscience in 2011.
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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