DOSSIER · UPDATED 18 NOV 2025
Castle
A fully automated approach to account security that lets your good users shape the risk models.

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Claim it →- Founded
- 2015
- Headcount
- 23
- Open roles
- 2
- Last raised
- Series A · $9M
LEADERSHIP
Founders & key people
OPEN ROLES
Hiring at Castle
FUNDING
Capital raised
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LOCATIONS
Where they work
Castle Headquarters Location
San Francisco, CA, 94115
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