Onesignal

Provider of platform unifying push notifications, email, SMS, and in-app messaging

placeSan Francisco, California, United States calendar_todayFounded 2011 groups163 employees language onesignal.com

Registered entities

Reputation

Customer rating 2.9 / 5 across 26 reviews.

Social engagement

Social engagement: 11.7K social following, 7 posts in the last 12 months — below the industry typical range.

Investor mix

15 investors on record; lead investors include Y Combinator, HubSpot, BAM Elevate, SignalFire.

Investor typeCountShare
Venture capital1173%
Other / undisclosed427%

Recent activity

2 Jul 2026
Event
Webinar on Marketing Marketing
29 Jun 2026
Event
webinar on user churn with RCS
23 Jun 2026
Event
SMS campaign discussion with Andrea Martin, Product Manager at Ualett
Coming soon