Onesignal headquarters details
Location map
Open in Google MapsAll Onesignal office locations
| City | State / region | Country | Type |
|---|---|---|---|
| San Mateo HQ | California | United States | Headquarters |
About Onesignal
Onesignal (Private) is headquartered in San Mateo, California, United States. Founded in 2014, the company operates across 2 countries with approximately 121 employees worldwide.
Where is Onesignal's main office?
Onesignal's main headquarters office is located at 2850 S Delaware St 201, San Mateo, California 94403. This serves as the company's primary corporate address and is home to its executive leadership team.
Onesignal regional offices
Beyond its headquarters in San Mateo, Onesignal maintains 4 offices across 2 countries. Regional offices span 2 countries.
Onesignal contact information
The main switchboard for Onesignal headquarters can be reached at 4085060701. For investor relations, visit onesignal.com/investor-relations.
What does Onesignal do?
OneSignal, Inc. provides a customer engagement platform. The Company offers marketing tools including A/B testing, segment targeting, variable-substitution, localization, drip marketing, and conversion tracking solutions. OneSignal serves customers in the United States.
Frequently asked questions
Where is Onesignal headquarters?
Onesignal's headquarters is located at 2850 S Delaware St 201, San Mateo, California 94403, United States.
How many offices does Onesignal have?
Onesignal operates 4 offices across 2 countries as of 2026.
What is Onesignal's corporate address?
The official corporate address is 2850 S Delaware St 201, San Mateo, California 94403.
When was Onesignal founded?
Onesignal was founded in 2014 and has grown to employ approximately 121 people worldwide.
What is Onesignal's phone number?
The main phone number for Onesignal headquarters is 4085060701.