Sift

Sift is an AI-powered fraud prevention and risk-based authentication platform that helps digital businesses detect and prevent fraud in real-time. The company focuses on providing identity trust through advanced machine learning and user identity analysis. Sift processes approximately 1 trillion annual events from over 700 global brands, representing 1.6 billion digital citizens. This enables businesses to combat threats such as account takeover and payment fraud while minimizing annual fraud losses. The Sift Platform offers instant fraud detection and risk scoring throughout the customer journey, ensuring secure transactions without disrupting loyal customers. Sift also provides tiered Professional and Managed Services to support fraud teams, including dedicated customer success managers and ongoing optimization. With features like Triangulated Tuning, Sift enhances detection accuracy and helps businesses turn fraud prevention into a revenue advantage. The platform is utilized by notable brands like Poshmark, Swan Bitcoin, Harry’s, and Patreon to protect customers and drive growth.

Computer & Network Security San Francisco, United States Founded 2011 ~216 employees Private · Series C

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Employees
216
+1.9% in the 3 months to Sep 2026
Revenue / employee
$162K
Revenue ~$35M
Total funding
$276M
Last round Series C, Oct 2021
12-month attrition
23.5%
Tech: 12.7%
H1B sponsor
NA
Open jobs
1
Last 30 days

Headcount trend

Sift went from 243 employees in Oct 2024 to 216 in Sep 2026. Apr to Sep 2026: 24 people joined, 16 left.

Org structure

Headcount by department

Engineering89
Other32
Operations29
Sales25
Marketing11
Success11
Product7
Finance5

Salaries at Sift

All salaries

15 salary profiles in the US

Most reported roles

Pay by level, gender and ethnicity

Funding

  • Oct 2021 · Series C · $62M · Andreessen Horowitz, Geodesic Capital, Green Bay Ventures
  • Apr 2021 · Series E · $50M · Insight Partners, Stripes, Union Square Ventures
  • Oct 2019 · Series B · $52.5M · Green Bay Ventures, Andreessen Horowitz, New Enterprise Associates
  • Mar 2018 · Series D · $53M · Insight Partners, Stripes, Union Square Ventures
  • Jun 2016 · Series C · $30M · Insight Partners, Union Square Ventures, Spark Capital
  • May 2014 · Series B · $18M · First Round Capital, Union Square Ventures, Max Levchin
  • Mar 2013 · Series A · $4M · Founder Collective, First Round Capital, Glassdoor
  • Sep 2011 · Seed · $1.6M · Eden Ventures, Start Fund, Founder Collective
  • Oct 1999 · Series A · $2.5M
  • Jan 1998 · Seed · $1.2M

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Sift FAQ

How many employees does Sift have?

Sift has about 216 employees, up 1.9% over the 3 months to Sep 2026.

What is Sift's revenue per employee?

Sift makes about $162K in revenue per employee, based on $35M annual revenue and 216 employees.

How much does Sift pay?

6figr has 15 salary profiles for Sift in the US, with pay broken down by role, level, gender and ethnicity on the Sift salaries page. See Sift salaries

How much funding has Sift raised?

Sift has raised $275.6M in total funding; its latest round was Series C in Oct 2021.

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.