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Signal Sciencesrevenue, acquisition & funding

Web Application Firewalls (WAF)Culver City, CaliforniaFounded 2014

Signal Sciences was acquired by Fastly.

Signal Sciences is the fastest growing web application security company in the world. With its award-winning next-gen WAF and RASP solution, Signal Sciences protects more than 40,000 applications and over a trillion production requests per month.

signalsciences.comLinkedInUpdated Aug 10, 2026
Annual revenue
$15.1M
Aug 2020
Owner
Fastly
Date not on record
Total raised
$61.7M
4 rounds
Employees
109
Dec 2020

Signal Sciences revenue

Signal Sciences' annual revenue was $15.1M in August 2020, its last figure before Fastly bought it (source not recorded).

$0
$5M
$10M
$15M
$15.1M
2020
ReportedOne figure per year; a reported figure wins over an estimate
As ofRevenueSource
Aug 2020$15.1M–

– source not recorded

Who owns Signal Sciences

Fastly owns Signal Sciences. The date and price of the deal are not on record.

Signal Sciences funding rounds & investors

Signal Sciences has raised $61.7M across four rounds since 2014. The latest was a $35M Series C in February 2019.

DateRoundRaised
Feb 2019Series C$35M
May 2017Series B$15M
Feb 2016Series A$9.7M
May 2014Seed$2M
Total raised$61.7M

Signal Sciences CEO, founders & employees

Andrew Peterson founded Signal Sciences in 2014 and led it as CEO. Signal Sciences had 109 employees (December 2020), down from 151 a year earlier.

0
50
100
150
106
151
109
201820192020
ReportedOne figure per year; a reported figure wins over an estimate

Team mix (Dec 2020): 28 engineers, 44 in sales, 1 in marketing

All 5 headcount readings, with sources
As ofEmployeesSource
Dec 2020109–
Aug 2020100–
Jun 2020155–
Dec 2019151–
Dec 2018106–

Signal Sciences FAQ

What was Signal Sciences' revenue?

Before Fastly bought it, Signal Sciences' annual revenue was $15.1M in August 2020 (source not recorded).

Who owns Signal Sciences?

Fastly owns Signal Sciences.

How much funding has Signal Sciences raised?

Signal Sciences raised $61.7M across four funding rounds before Fastly bought it. The last was a $35M Series C in February 2019.

How many employees does Signal Sciences have?

Signal Sciences had 109 employees in December 2020.

Who founded Signal Sciences?

Andrew Peterson founded Signal Sciences in 2014.

How this page is sourced

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 Aug 10, 2026Data disclaimerReport a correctionClaim this profileRun Signal Sciences? Join the podcast