Insights

Innovative Security Features Signal Messenger’s recent launch of advanced cryptographic solutions such as Triple Ratchet, PQXDH, and Sparse Post-Quantum Ratchet highlights its commitment to maintaining cutting-edge security. This focus on quantum-resistant encryption presents opportunity to partner with organizations seeking top-tier privacy technology.

Expanding Platform Compatibility The rollout of features across Android, iOS, Desktop, and now Apple Watch indicates Signal’s strategy to provide seamless, cross-device private messaging. This opens avenues for sales in device integration and peripheral security solutions.

Growing User Base and Market Penetration With millions of daily users and integration into various messaging platforms, Signal’s expanding reach signifies an increasing demand for secure communication tools — a prime target for enterprise security, compliance, and privacy enhancement products.

Nonprofit Mission Advantage As a nonprofit focused solely on privacy, Signal offers partnership opportunities for privacy-conscious organizations, educational institutions, and human rights groups seeking secure messaging solutions aligned with their values.

Strong Technical Infrastructure Utilizing advanced open-source security protocols and a robust tech stack, Signal is positioned as a leader in privacy technology. Developing complementary security and infrastructure products can leverage their trusted reputation in the privacy domain.

Signal Messenger Tech Stack

Signal Messenger uses 8 technology products and services including SQLite, LottieFiles, Google Workspace, and more. Explore Signal Messenger's tech stack below.

  • SQLite
    Database
  • LottieFiles
    Design
  • Google Workspace
    Email
  • Font Awesome
    Font Scripts
  • Moment.js
    Javascript Libraries
  • jQuery
    Javascript Libraries
  • Java
    Programming Languages
  • X-UA-Compatible
    Web Tools And Plugins

Media & News

Signal Messenger's Email Address Formats

Signal Messenger uses at least 1 format(s):
Signal Messenger Email FormatsExamplePercentage
First@signal.orgJohn@signal.org
74%
Last@signal.orgDoe@signal.org
17%
FirstLast@signal.orgJohnDoe@signal.org
6%
First.L@signal.orgJohn.D@signal.org
3%

Frequently Asked Questions

Where is Signal Messenger's headquarters located?

Minus sign iconPlus sign icon
Signal Messenger's main headquarters is located at 3000 16th Street San Francisco, California United States. The company has employees across 6 continents, including North AmericaAsiaEurope.

What is Signal Messenger's official website and social media links?

Minus sign iconPlus sign icon
Signal Messenger's official website is signal.org and has social profiles on LinkedIn.

What is Signal Messenger's SIC code NAICS code?

Minus sign iconPlus sign icon
Signal Messenger's SIC code is 4812 - Radiotelephone Communications NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Signal Messenger have currently?

Minus sign iconPlus sign icon
As of February 2026, Signal Messenger has approximately 107 employees across 6 continents, including North AmericaAsiaEurope. Key team members include Chief Technology Officer: E. K.Chief Product Officer: R. S.President Of Signal: M. W.. Explore Signal Messenger's employee directory with LeadIQ.

What industry does Signal Messenger belong to?

Minus sign iconPlus sign icon
Signal Messenger operates in the Technology, Information and Internet industry.

What technology does Signal Messenger use?

Minus sign iconPlus sign icon
Signal Messenger's tech stack includes SQLiteLottieFilesGoogle WorkspaceFont AwesomeMoment.jsjQueryJavaX-UA-Compatible.

What is Signal Messenger's email format?

Minus sign iconPlus sign icon
Signal Messenger's email format typically follows the pattern of First@signal.org. Find more Signal Messenger email formats with LeadIQ.

When was Signal Messenger founded?

Minus sign iconPlus sign icon
Signal Messenger was founded in 2013.

Signal Messenger

Technology, Information and InternetCalifornia, United States51-200 Employees

Privacy is possible. Signal Messenger makes it easy.

At Signal, our goal is to develop open source privacy technology that protects privacy rights, promotes free expression and enables secure global communication. 

We believe that private messaging should be simple and ubiquitous. Signal combines state-of-the-art security and end-to-end encryption with the features that users expect in a modern messaging application. Millions of people use Signal every day to speak freely, and a growing list of organizations have integrated the open source Signal Protocol into messaging platforms that support billions of users.

Working on Signal is an opportunity to become part of a diverse group of people who are passionate about privacy. As a nonprofit organization, Signal Messenger is uniquely positioned to focus on its mission in an environment where users will always come first. Our team is growing quickly, and we encourage candidates from a diverse set of backgrounds to apply.

workwithus@signal.org

Section iconCompany Overview

Headquarters
3000 16th Street San Francisco, California United States
Website
signal.org
SIC Code
4812 - Radiotelephone Communications
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2013
Employees
51-200

Section iconFunding & Financials

  • $25M$50M

    Signal Messenger's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    Signal Messenger's revenue is estimated to be in the range of $25M$50M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.