Insights

Strong Privacy Focus Signal Messenger's core emphasis on privacy and secure communication positions it as an ideal platform for organizations requiring confidential messaging solutions, including legal, medical, and financial institutions.

Innovative Quantum Security The company's recent advancements in quantum-resistant encryption, such as Triple Ratchet and PQXDH, demonstrate its commitment to cutting-edge security, appealing to organizations seeking future-proof messaging security.

Expanding Platform Capabilities Recent launches of Android features, Apple Watch apps, and secure backups indicate Signal's dedication to enhancing user experience across devices, creating opportunities for enterprise integrations and custom solutions.

Nonprofit Model Advantage As a nonprofit organization focused solely on privacy rather than profit, Signal offers a trustworthy option for organizations that prioritize ethical data handling and transparency, guiding potential partnerships.

Growing User Base Potential With millions of daily users and increasing feature set, Signal presents significant sales opportunities to organizations aiming to reach privacy-conscious consumers or integrate secure messaging into broader communication workflows.

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 March 2026, Signal Messenger has approximately 110 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.