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OneSignal logo — The leading customer engagement platform, helping 1 in 4 app...

OneSignal

The leading customer engagement platform, helping 1 in 4 app publishers send 1.3T messages a year.

Founded 2014 United States San Mateo, United States 172 employees Series C Total: $84.13M Automation, Messaging +2

General Information

Company Name OneSignal
Founded Year 2014
Location United States San Mateo, United States
Employees 172
Industries Automation, Messaging, SaaS +1
Funding Stage Series C
Business Model SaaS, B2B, Platform
Revenue Model Subscription, Freemium, Usage Based
Social

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About OneSignal

OneSignal, founded in 2014, is positioned as the leading customer engagement platform, a claim bolstered by its impressive reach in the messaging industry. The company helps 1 in 4 app publishers send a staggering 1.3 trillion messages per year across various channels such as push notifications, email, SMS/RCS, and in-app messaging.

Headquartered in the United States, OneSignal operates primarily in the Automation, Messaging, SaaS, and Marketing sectors. Its robust platform is entrusted by top app publishers worldwide to improve customer onboarding, engagement, and retention at scale.

The company's growth and innovation capabilities drew significant attention, culminating in a Series C investment on 01 January 2023, led by ServiceNow. This investment underscores investor confidence in OneSignal's trajectory and market leadership. As growth in this sector continues to accelerate, OneSignal stands out as a pivotal player offering scalable solutions for customer engagement challenges.

Business keywords: push notifications, multichannel marketing, mobile marketing, customer retention, marketing automation, in-app messaging, email marketing, SMS/RCS messaging, developer tool, customer onboarding, personalized messaging

Services & Products

Mobile Push Notifications
Web Push Notifications
Email
In-App Messaging
RCS
SMS
Live Activities
Analytics

Target Customers

app publishers eCommerce platforms fintech companies mobile gaming developers news/media platforms

Funding Rounds & Investors (8)

View All
Funding Stage Amount Investors Lead Investors Date
Series C Undisclosed 1
ServiceNow
ServiceNow
01 Jan 2023
Series C $50.00M 4
SignalFire BAM Elevate Nimble Partners
SignalFire, BAM Elevate +2
01 Sep 2022
Round Undisclosed -
01 Apr 2021
Series B $25.00M 2
SignalFire Rakuten Capital
SignalFire, Rakuten Capital
01 Jul 2019
Series A $7.00M 6
SignalFire Rakuten Capital
SignalFire, Rakuten Capital +4
01 Aug 2017
Seed $2.00M 5
Y Combinator
Y Combinator, Rakuten +3
01 Apr 2015
Seed $130.00K 1
Y Combinator
Y Combinator
01 Sep 2011
Support Program Undisclosed 1
Y Combinator
Y Combinator
01 Jun 2011

OneSignal Alternatives & Competitors

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OneSignal vs
AiTrillion
AiTrillion United States

Engagement, Retention & Repeat Sales via Email, SMS, Web Push, Loyalty program, Reviews, Affiliate,...

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50 employees
Analytics, E-Commerce
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OneSignal vs
Apifon
Apifon Greece

Messaging platform for business, sales & audience growth.

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OneSignal vs
Acoustic
Acoustic United States

Built for modern lifecycle marketing

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FAQ About OneSignal

The leading customer engagement platform, helping 1 in 4 app publishers send 1.3T messages a year.
OneSignal was founded in 2014.
OneSignal is headquartered in San Mateo, United States.
OneSignal operates in Automation, Messaging, SaaS and Marketing. Its work centres on push notifications, multichannel marketing, mobile marketing and customer retention. Its customers include app publishers, eCommerce platforms and fintech companies.
OneSignal has a SaaS, B2B and Platform business model. Its revenue comes from Subscription, Freemium and Usage Based.
OneSignal has approximately 172 employees.
OneSignal has completed 8 funding rounds, raising a total of $84.13M. The latest funding stage is Series C.
OneSignal offers: Mobile Push Notifications, Web Push Notifications, Email, In-App Messaging, RCS, SMS, Live Activities, Analytics, Integrations.
Top alternatives and competitors to OneSignal include AiTrillion, Apifon, Acoustic, Omnisend, Notificare. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
OneSignal and AiTrillion are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Source: BounceWatch company record for OneSignal, https://bouncewatch.com/company/onesignal, updated 21 April 2026. When citing, please name BounceWatch and link this page.

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