Signal Signalrevenue & funding

Sveavägen 34, Stockholm, SwedenFounded 2016

Signal Signal rebranded and is now All Ears. See All Ears' profile →

allears.ai LinkedInUpdated Nov 2, 2026

Annual revenue: $5.2M; Dec 2025 · Company Website
Total raised: $6.5M; 2 rounds
Employees: 27; Dec 2025
Customers: 70

Signal Signal revenue

Signal Signal's annual revenue was $5.2M in December 2025 (Company Website).

$2M

$4M

–

$1.5M

$2.8M

$3.6M

–

$5.2M

2016…2017–2020212022202320242025

ReportedFounded 2016 at $0; every reading has its own bar

All 4 revenue readings, with sources

As of	Revenue	Source
Jun 2021	$1.5M	Company Website
Jun 2022	$2.8M	Company Website
Jun 2023	$3.6M	Company Website
Dec 2025	$5.2M	Company Website

Signal Signal funding rounds & investors

Signal Signal has raised $6.5M across two rounds since 2017. The latest was a $6M funding round in November 2021.

Date	Round	Raised	Source
Nov 2021	Venture	$6M	Press & News
Sep 2017	Venture	$503.7K	–
	Total raised	$6.5M

Interviews with Tor Rauden Källstigen

Nathan Latka has interviewed Signal Signal once, speaking with Tor Rauden Källstigen. Each figure links to the second it was said.

Watch

January 2019 · Tor Rauden Källstigen, Co-Founder

How Signal Signal Reached 70 Customers on €4,000 Average Annual Contract Value in 2019 (Interview with Co-Founder Tor Rauden Källstigen)

Cash flow-20K a month (burn; currency not stated, he prices in EUR)Watch at 7:09
Customers70Watch at 2:06
Average contract€4,000 a yearWatch at 1:00
Gross churnBetween 15% and 20% a yearWatch at 4:24
Employees12Watch at 1:18

Read the interview Watch

Signal Signal competitors

Signal Signal competes most directly with Twilio, Bird (Formerly MessageBird) and Plivo. It is the smallest of the four by revenue.

Company	Revenue	Funding	Employees	Customers	Founded
Twilio	$5.1B	$607.2M	6,468	34K	2008
Bird (Formerly MessageBird)	$900M	$1.1B	165	15K	2011
Plivo	$70M	$2.1M	247	70K	2011
Signal Signal	$5.2M	$6.5M	27	70	2016

Signal Signal CEO, founders & employees

Tor Rauden Källstigen and Håkan Waara founded Signal Signal in 2016. Jonas Lönnquist is CEO. Signal Signal has 27 employees (December 2025, Company Website).

Jonas LönnquistCEO
Tor Rauden KällstigenCo-founder
1 interview
Håkan WaaraCo-founder & CPTO

–

20192020–242025

ReportedOne figure per year; a reported figure wins over an estimate

All 2 headcount readings, with sources

As of	Employees	Source
Dec 2025	27	Company Website
2019	12	Tor Rauden Källstigen on cameraWatch at 1:18

Signal Signal FAQ

Is Signal Signal still in business?

Yes. Signal Signal now operates as All Ears.

What is Signal Signal's revenue?

Signal Signal's annual revenue was $5.2M in December 2025, according to the company's website.

How much funding has Signal Signal raised?

Signal Signal has raised $6.5M across two funding rounds. The latest was a $6M funding round in November 2021.

How many employees does Signal Signal have?

Signal Signal has 27 employees as of December 2025, according to the company's website.

Who founded Signal Signal?

Tor Rauden Källstigen and Håkan Waara founded Signal Signal in 2016.

How this page is sourced

6 said on camera · 6 from public sources. Founder figures link to the second they were said; public figures name their source; estimates are marked EST and say whose they are. Not financial advice.

Updated Nov 2, 2026Data disclaimer Report a correction Claim this profile