Silent Circle
Silent Circle is a cybersecurity company specializing in Email & Messaging Security, founded in 2012 and headquartered in Geneva, Switzerland. It has raised $130M in equity across 3 priced rounds and is privately held.
updated Oct 11, 2026
Latest Silent Circle news and company activity
What Silent Circle did, dated — selected moves from the record, one per kind, newest first.
- Jan 2018RecognitionColumbia cybersecurity company Silent Circle is a finalist at CES' Last Gadget Standing
- Feb 2017Exec changeIntroducing Silent Circle's New Chief Executive Officer, Gregg Smith
- Jul 2016Funding roundSilent Circle Announces $50 Million in Series C Funding
- Dec 2015Product launchSilent Circle Unleashes The Software And Cloud-Portion Of Its Enterprise Privacy Platform
Silent Circle funding
Silent Circle has raised $130M in priced equity. Its most recent round was a Series C in July 2016. It has 3 funding rounds on record: Series A, Series B, and Series C. 4 investors are on record, including Santander Bank and Undisclosed.
- Equity raised
- $130M3 priced rounds
- Last round
- Series CJul 2016
Silent Circle competitors
Competitors of Silent Circle include Mobile Moat, CommuniTake Technologies, and Adyta. 15 more are in the platform, with overlap scoring.
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The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobslive postings, hiring pace, role mix
- Tech stackframeworks, clouds, security
