Insights

Enterprise privacy Target Silent Circle's growing interest in secure communications by offering enterprise-grade privacy solutions that extend beyond their hardware offerings, focusing on secure messaging, voice, and data protection for employees, partners, and customers.

Secure devices Leverage their history with Blackphone and mobile security by proposing managed secure mobile environments, enterprise mobility management, and customized security baselines for large workforces.

Strategic partnerships Explore co-sell opportunities with government and federal contracting channels, given past collaborations and their emphasis on compliant, fit-for-purpose IT solutions for public sector clients.

Cyber defense alignment Position integrated GoSilent Server and firewall capabilities as a platform for secure enterprise networking, with emphasis on threat prevention, data leakage protection, and regulatory compliance.

Growth and funding leverage With sizable funding and mid-market revenue, target strategic customers in finance, healthcare, and critical infrastructure that require high-assurance privacy and robust incident response services.

Silent Circle Tech Stack

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

  • Linkedin Insight Tag
    Analytics
  • Django Cross Site Request Forgery protection
    Middleware Software
  • Python
    Programming Languages
  • PHP
    Programming Languages
  • HSTS
    Security
  • Cloudflare Bot Management
    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

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.

How much revenue does Silent Circle generate?

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As of July 2026, Silent Circle's annual revenue is estimated to be $10M - $25M.

What is Silent Circle's NAICS code?

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Silent Circle's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Silent Circle have currently?

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As of July 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.Vp Of Sales Americas At Silentcircle: P. G.. 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 TagDjango Cross Site Request Forgery protectionPythonPHPHSTSCloudflare Bot ManagementZURB FoundationAddToAny.

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 July 2026, Silent Circle has raised $130M 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 logo

Silent Circle

IT Services and IT ConsultingMaryland, United States51-200 Employees

Silent Circle operates in IT services and IT consulting, focusing on enterprise privacy through a platform that combines devices, software, and services for secure communications. Its stated aim is to be a trusted provider of private, secure communications, delivered without compromise. Based in Columbia, Maryland, the company was co-founded by security experts Mike Janke, Phil Zimmermann, and Jon Callas, reflecting a pedigree in encryption and secure technology.

Its customer base comprises enterprises and their partners and customers seeking privacy in a mobile-first environment, addressing privacy concerns in modern communications. It sits within the IT services and security/privacy space, emphasizing enterprise privacy and the protection of mobile communications. In April 2025, Silent Circle launched Blackphone, a secure Android device offering encrypted voice, text, and data, demonstrating ongoing product development in its secure communications platform.

Section iconCompany Overview

Phone number
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2012
Employees
51-200

Section iconFunding & Financials

  • $130M

    Silent Circle has raised a total of $130M of funding over 3 rounds. Their latest funding round was raised on Jul 15, 2016 in the amount of $50Mas a series_c.

  • $10M - $25M

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

Section iconFunding & Financials

  • $130M

    Silent Circle has raised a total of $130M of funding over 3 rounds. Their latest funding round was raised on Jul 15, 2016 in the amount of $50Mas a series_c.

  • $10M - $25M

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

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