# Silent Circle: Information technology & services, Columbia, United States

> Silent Circle: Silent Circle is a secure communications and enterprise privacy company that specializes in encrypted voice, messaging, video, and...

Source: https://millionrounds.com/startup/silent-circle (Millionrounds; every figure on the page links to its filing or article)

United States · [Information technology & services startup](https://millionrounds.com/companies)

# Silent Circle

Silent Circle is a secure communications and enterprise privacy company that specializes in encrypted voice, messaging, video, and file-sharing tools for both mobile devices and desktops.

Funding reported Last round: Series C

Information technology & services Columbia, United States

Company summary

- **Founded:** 2012 14 years old
- **Team:** 25 11 to 50 people
- **Funding reported:** $130M in dollars
- **Last round:** Series C Jul 2016

How sure we are

- ✓ **Listed** We know it exists and what it does
- 2 **Funding reported** A company dataset reports a raise
- 3 **Observed** A filing or a dated announcement confirms a round

No round for Silent Circle has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology)

## About Silent Circle

Silent Circle is a secure communications and enterprise privacy company that specializes in encrypted voice, messaging, video, and file-sharing tools for both mobile devices and desktops.

Founded in 2011 or 2012, the company operates as a private entity with headquarters in Switzerland and Washington, DC/Columbia, Maryland. Silent Circle aims to help individuals, businesses, and governments communicate privately in environments where data surveillance is a concern, serving users in over 130 countries. The company offers a range of services, including Silent Phone for secure calling and messaging, Silent Text for encrypted messaging, video teleconferencing, and secure file transfer tools. Additionally, Silent Circle provides Silent Manager, a web-based console for user management, and GoSilent, a portable VPN firewall solution. Their enterprise mobile security stack combines devices, software, and services to enhance security for organizations. Silent Circle serves a diverse clientele, including enterprise, business, and government sectors, with deployments in demanding networking environments worldwide. The founders of Silent Circle are Mike Janke, Phil Zimmermann, and Jon Callas.

## What company datasets say Silent Circle raised

Funding, as reported

Reported in all **$130M** in dollars

Rounds **3**

Last round **Series C**

Last round size **$50M**

Last round date **Jul 2016**

Investors listed **3**

## The company, in detail

What they build

Known for

health care security service hipaa compliance security information and event management (siem) integration file transfer security policy enforcement active directory integration information technology & services financial services enterprise privacy platform finance privacy & trust simplicity information technology encrypted communications

Built with from their website

Amazon SES Google Tag Manager Amazon CloudFront Viewport Meta Google Play Amazon Simple Email Service Google Font API Microsoft Exchange Microsoft 365 Apps & Services Mobile Friendly

+8 more

Open Graph Amazon Route 53 Apple iOS Django Amazon AWS Python Microsoft Exchange Online HSTS

- **Sector:** Information technology & services
- **Industry code:** NAICS 541512, 51321, SIC 7375, 7371, 7372
- **Region:** Maryland
- **Revenue:** $9.5M a year, as listed
- **Full record:** [Every detail in the company directory](https://millionrounds.com/directory/silent-circle)

## Information technology & services in United States

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