S
Signal Messenger
Cybersecurity · Indianapolis, United States · Founded 2013
Encrypted communications application for android and ios that focuses on advancing secure communications MoreLess
Signal.org is a startup that operates in the digital communication market, offering a unique messaging platform with a strong focus on user privacy. It provides a simple, powerful, and secure messenger service that uses state-of-the-art end-to-end encryption, ensuring that no one, not even Signal itself, can read users' messages or listen to their calls. This privacy-focused approach is not an optional feature but is integrated into the very fabric of Signal's operations.
Signal's primary clientele includes individuals and groups who value their privacy and are looking for a secure way to communicate. This could range from everyday users to professionals who handle sensitive information. The platform offers features such as voice and video calls, group chats, and encrypted stickers, all without any long-distance charges.
Unlike many other tech companies, Signal operates as an independent nonprofit, meaning it is not beholden to any major tech companies and cannot be acquired by one. It does not generate revenue through ads or affiliate marketing, and it does not engage in any form of user tracking. Instead, its operations are funded by grants and donations from its user base and other supporters.
In summary, Signal.org is a privacy-centric messaging platform that offers secure, encrypted communication services to its users. It operates as a nonprofit, relying on grants and donations for funding rather than traditional revenue streams like advertising or data selling.
Keywords: Privacy, Messaging, Encryption, Nonprofit, Donations, Secure Communication, Independent, User-Friendly, No Ads, End-to-End Encryption.
Company overview
Signal Messenger company information
The essential company record, classifications and operating signals in one place.
- Status
- Operational
- Founded
- 2013
- Headquarters
- Indianapolis, United States
- Employees
- 108
- Open positions
- None listed
- Dealroom signal
- 77.9
Valuation & funding
Signal Messenger funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| ANGELOther financing | Feb 2018 | $50M | $200M | Brian Acton | ↗ |
Financials
Revenue and workforce over time
Available revenue and workforce history. Fields without reported data are omitted.
| Year | Revenue | Growth | Employees |
|---|---|---|---|
| 2026 | $14M | 0% | 108 |
| 2025 | $14M | 0% | 111 |
| 2024 | $14M | 0% | 89 |
| 2023 | $14M | +80% | 80 |
| 2022 | $7.5M | +87.5% | 70 |
| 2021 | $4M | +29% | 48 |
| 2020 | $3.1M | — | 35 |
Growth signals
Signal Messenger website traffic
Latest recorded traffic for Signal Messenger is 2.7M monthly website visits, up 3.8% over the last three months. Signal Messenger's team declined 2.7% over the past year.
Comparisons
Signal Messenger compared with similar companies
Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.
| Company | Headquarters | Status | Employees | Total funding | Valuation |
|---|---|---|---|---|---|
SIRIN LabsDevelops Solarin, an ultra-secure mobile phone, and FINNEY, an open source blockchain smartphone and all-in-one PC |
Schaffhausen, Switzerland | Closed | 9 | $97M | — |
Sure ErasureCybersecurity |
Israel | Operational | |||
MidoriMidori · A lightweight, fast, and free web browser |
Dossenheim, Germany | Operational | |||
OpenBazaarDecentralized cryptocurrency marketplace that enables its users to trade online |
Washington DC, United States | Operational | |||
Omera Digital SolutionsTransforming your vision into scalable digital reality |
Ethiopia | Operational | |||
GemnasiumGemnasium monitors software dependencies, notifies users of security updates or advisories, and automates open source code updates |
Quebec City, Canada | Acquired | |||
SuprmasvPrivate hacker-driven technology design studio |
Los Angeles, United States | Closed | |||
Fast ForwardProvides financial and human capital to help scale these technology solutions and maximize impact |
San Francisco, United States | Operational |
Talent graph
Signal Messenger's talent
Source: Dealroom Talent Intelligence.
Investors
1 investor on Signal Messenger's cap table
Sourced from Dealroom's funding and investor records.

Global footprint
Where Signal Messenger has talent and traffic
team presence
In the news
Latest news about Signal Messenger
Recent press, funding announcements, and product moves mentioning Signal Messenger — open to read from the original sources.
Market sentiment
What the market is saying about Signal Messenger
An AI-synthesized read of the highest-engagement posts about Signal Messenger on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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