Castle
A fully automated approach to account security that lets your good users shape the risk models.

San Francisco, CA · Cambridge, MA
This is the record ChatGPT, Claude and Google read about Castle. Claiming it controls the source; answers update as assistants re-crawl.
- Founded
- 2015
- Headcount
- 23
- Open roles
- 2
- Last raised
- Series A

Where they work
Capital raised
How Castle builds
Hiring at Castle
Hiring team? Claim the profile to keep roles and the careers link accurate
Founders & key people
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