Insights

Strong Market Presence Silent Circle maintains a focused presence in the enterprise security sector with an emphasis on privacy solutions for mobile communications, signaling opportunities to target organizations prioritizing data confidentiality and mobile security.

Innovative Product Portfolio The company’s recent launch of Blackphone and GoSilent Server highlights their commitment to developing cutting-edge secure devices and infrastructure, suggesting potential for sales of specialized security hardware and integrated software solutions to security-conscious clients.

Rich Expertise & Credentials Co-founders like Phil Zimmermann and Jon Callas bring industry-recognized expertise, creating a strong value proposition for enterprise clients seeking trusted security partnerships, and opening opportunities for premium consulting or tailored security services.

Funding & Revenue Potential With $50M in funding and revenue estimates between $1M and $10M, Silent Circle has growth potential and market traction that can be leveraged to upsell advanced security solutions or expand into new verticals requiring high-assurance communications.

Industry Recognition Awards and nominations, such as recognition in Cyber Defense Magazine and Last Gadget Standing, position Silent Circle as an innovative leader, paving the way for partnership and enterprise sales targeting organizations seeking reputable and cutting-edge security providers.

Silent Circle Tech Stack

Silent Circle uses 8 technology products and services including Linkedin Insight Tag, Modernizr, PHP, and more. Explore Silent Circle's tech stack below.

  • Linkedin Insight Tag
    Analytics
  • Modernizr
    Javascript Libraries
  • PHP
    Programming Languages
  • Yoast SEO
    Search Engines
  • HSTS
    Security
  • Cloudflare Bot Management
    Security
  • Bootstrap
    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
49%
First.Last@silentcircle.comJohn.Doe@silentcircle.com
1%
FLast@silentcircle.comJDoe@silentcircle.com
49%
First.Last@silentcircle.comJohn.Doe@silentcircle.com
1%

Frequently Asked Questions

Where is Silent Circle's headquarters located?

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Silent 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?

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You can contact Silent Circle's main corporate office by phone at . 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?

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Silent Circle's official website is silentcircle.com and has social profiles on LinkedIn.

What is Silent Circle's SIC code NAICS code?

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Silent Circle's SIC code is 8748 - Business Consulting Services, Not Elsewhere Classified NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Silent Circle have currently?

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As 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?

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Silent Circle operates in the IT Services and IT Consulting industry.

What technology does Silent Circle use?

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Silent Circle's tech stack includes Linkedin Insight TagModernizrPHPYoast SEOHSTSCloudflare Bot ManagementBootstrapAddToAny.

What is Silent Circle's email format?

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Silent 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?

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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?

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Silent 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
SIC Code
8748 - Business Consulting Services, Not Elsewhere Classified
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2012
Employees
51-200

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.

  • $1M$10M

    Silent Circle's revenue is estimated to be in the range of $1M$10M

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.

  • $1M$10M

    Silent Circle's revenue is estimated to be in the range of $1M$10M

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