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Gathering insights about Silent Circle…

Silent Circle Tech Stack

Silent Circle uses 8 technology products and services including Linkedin Insight Tag, Django Cross Site Request Forgery protection, PHP, and more. Explore Silent Circle's tech stack below.

  • Linkedin Insight Tag
    Analytics
  • Django Cross Site Request Forgery protection
    Middleware Software
  • PHP
    Programming Languages
  • Python
    Programming Languages
  • Cloudflare Bot Management
    Security
  • X-XSS-Protection
    Security
  • ZURB Foundation
    UI Frameworks
  • AddToAny
    Widgets

Media & News

Silent Circle's Email Address Formats

Silent Circle uses at least 1 format(s):
Silent Circle Email FormatsExamplePercentage
FLast@silentcircle.comJDoe@silentcircle.com
98%
First.Last@silentcircle.comJohn.Doe@silentcircle.com
2%

Frequently Asked Questions

Where is Silent Circle's headquarters located?

Minus sign iconPlus sign iconSilent Circle's main headquarters is located at 7134 Columbia Gateway Drive Columbia, Maryland 21046 United States. The company has employees across 4 continents, including North AmericaEuropeAsia.

What is Silent Circle's phone number?

Minus sign iconPlus sign icon You can contact Silent Circle's main corporate office by phone at
+1-202-499-****
. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Silent Circle's official website and social media links?

Minus sign iconPlus sign iconSilent Circle's official website is silentcircle.com and has social profiles on LinkedIn.

What is Silent Circle's NAICS code?

Minus sign iconPlus sign iconSilent Circle's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Silent Circle have currently?

Minus sign iconPlus sign iconAs of February 2026, Silent Circle has approximately 51 employees across 4 continents, including North AmericaEuropeAsia. Key team members include Chief Marketing And Strategy Officer: J. K.Vice President - Financial Planning & Analysis: F. O.Vice President Sales: J. R.. Explore Silent Circle's employee directory with LeadIQ.

What industry does Silent Circle belong to?

Minus sign iconPlus sign iconSilent Circle operates in the IT Services and IT Consulting industry.

What technology does Silent Circle use?

Minus sign iconPlus sign iconSilent Circle's tech stack includes Linkedin Insight TagDjango Cross Site Request Forgery protectionPHPPythonCloudflare Bot ManagementX-XSS-ProtectionZURB FoundationAddToAny.

What is Silent Circle's email format?

Minus sign iconPlus sign iconSilent Circle's email format typically follows the pattern of FLast@silentcircle.com. Find more Silent Circle email formats with LeadIQ.

How much funding has Silent Circle raised to date?

Minus sign iconPlus sign icon As of February 2026, Silent Circle has raised $50M in funding. The last funding round occurred on Jul 15, 2016 for $50M.

When was Silent Circle founded?

Minus sign iconPlus sign iconSilent Circle was founded in 2012.

Silent Circle

IT Services and IT ConsultingMaryland, United States51-200 Employees

Silent Circle is a recognized innovator in enterprise privacy delivered through a revolutionary platform of devices, software and services. Our mission is to be the world’s most trusted secure communications company by delivering privacy without compromise. We enable enterprises to regain privacy with their employees, partners and customers in a mobile first world where privacy is nearly extinct. 

Silent Circle was co-founded by Mike Janke, security expert and former Navy SEAL; Phil Zimmermann, co-founder of PGP, developer of the ZRTP protocol and 2015 inductee into the Internet Hall of Fame; and Jon Callas, creator of Apple's whole disk encryption software and co-founder of PGP Corporation.

Section iconCompany Overview

Headquarters
7134 Columbia Gateway Drive Columbia, Maryland 21046 United States
Phone number
+1-202-499-****
Website
silentcircle.com
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2012
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $50M

    Silent Circle has raised a total of $50M of funding over 3 rounds. Their latest funding round was raised on Jul 15, 2016 in the amount of $50M.

  • $10M$25M

    Silent Circle's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $50M

    Silent Circle has raised a total of $50M of funding over 3 rounds. Their latest funding round was raised on Jul 15, 2016 in the amount of $50M.

  • $10M$25M

    Silent Circle's revenue is estimated to be in the range of $10M$25M

Company Leadership

  • Stylized image of a person
    J. K.
    Chief Marketing And Strategy Officer
    Phone icon
    Mobile Phone
  • Stylized image of a person
    F. O.
    Vice President - Financial Planning & Analysis
    Phone icon
    Mobile Phone
  • Stylized image of a person
    J. R.
    Vice President Sales
    Phone icon
    Mobile Phone
  • Stylized image of a person
    P. G.
    Vp Of Sales Americas At Silentcircle
    Phone icon
    Mobile Phone
  • Stylized image of a person
    C. M.
    Owner
    Phone icon
    Mobile Phone

Employee Directory

  • Stylized image of a person
    J. R.
    Vice President Sales
    Phone icon
    Mobile Phone
  • Stylized image of a person
    P. G.
    Vp Of Sales Americas At Silentcircle
    Phone icon
    Mobile Phone
  • Stylized image of a person
    R. V.
    Executive Vice President Of Global Sales
    Phone icon
    Mobile Phone
  • Stylized image of a person
    S. W.
    Vice-President
    Phone icon
    Mobile Phone
  • Stylized image of a person
    C. L.
    Director - West Coast Sales
    Phone icon
    Mobile Phone

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