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OneSignal
What Does OneSignal Do?
OneSignal is a market-leading customer engagement messaging solution, empowering businesses to deliver personalized and timely notifications across mobile push, web push, email, SMS, and in-app channels. Trusted by over 2 million developers and marketers, OneSignal helps companies of all sizes to improve user retention, drive conversions, and build stronger customer relationships through its easy-to-use platform and robust APIs.
Where Is OneSignal's Headquarters?
HQ Function
The San Mateo headquarters serves as the primary center for OneSignal's executive leadership, product development, engineering, sales, marketing, and core operational teams.
Notable Features:
Modern, open-plan office space designed to foster collaboration and innovation, located in the vibrant tech ecosystem of San Mateo. Amenities support a productive and engaging work environment.
Work Culture:
OneSignal's HQ fosters a dynamic, customer-centric, and collaborative work culture. Employees are encouraged to innovate, take ownership, and contribute to a fast-paced environment focused on solving customer engagement challenges.
HQ Significance:
Strategically located in Silicon Valley, the San Mateo headquarters serves as the central hub for OneSignal's strategic decisions, product innovation, and access to top talent and industry partnerships.
Values Reflected in HQ: The headquarters design and atmosphere reflect OneSignal's core values of customer obsession, innovation, transparency, and teamwork, creating an environment conducive to building leading-edge technology.
Location:
OneSignal supports a global customer base across 190+ countries, with millions of developers and marketers utilizing its platform. Its services are delivered through a robust cloud infrastructure, complemented by strategic regional offices in North America (San Mateo, New York), Europe (London), and APAC (Singapore) for localized sales, support, and market development. The platform itself is designed for global reach, supporting multiple languages and time zones to help businesses effectively connect with their users worldwide.
Street Address:
2850 S Delaware St #201
City:
San Mateo
State/Province:
CA
Country:
USA
Where Else Does OneSignal Operate Around the World?
London, United Kingdom
Address: WeWork, 70 Wilson St, London EC2A 2DB, United Kingdom
To provide localized support and expand OneSignal's footprint across the diverse markets within EMEA, ensuring tailored engagement solutions for regional businesses.
New York, NY, USA
Address: WeWork, 1450 Broadway, New York, NY 10018, USA
To strengthen OneSignal's presence in a major US business hub and provide dedicated support and strategic partnerships for clients in the Eastern Time Zone and surrounding areas.
Singapore
Address: WeWork, 21 Collyer Quay, Singapore 049320
To cater to the rapidly expanding digital market in APAC and offer localized engagement solutions and support for businesses looking to connect with users in this diverse region.
Buying Intent Signals for OneSignal
Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.
Who's Leading OneSignal? Meet the Executive Team
As of April 2025, OneSignal' leadership includes:
Who's Investing in OneSignal?
OneSignal has been backed by several prominent investors over the years, including:
What Leadership Changes Has OneSignal Seen Recently?
Over the past year, OneSignal has strengthened its leadership team with key strategic hires, notably in finance and people operations, to support its continued growth and market expansion. No major executive departures have been publicly announced during this period.
New Appointments:
What Technology (Tech Stack) Is Used byOneSignal?
Discover the tools OneSignal uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
OneSignal Email Formats and Examples
OneSignal primarily uses the email format [first]@onesignal.com. This is the most common and publicly observable pattern for company employees, including leadership. While other formats might exist internally for specific purposes, this format has a high probability of successful delivery for outreach.
[first]@onesignal.com
Format
george@onesignal.com
Example
90%
Success rate
What's the Latest News About OneSignal?
Business Wire • May 7, 2024
OneSignal Announces New EU Hosting, Advanced Analytics, and Journeys Features to Power Smarter Customer Engagement
OneSignal launched new capabilities including EU data hosting, advanced analytics, and enhanced Journeys features. These updates aim to provide customers with more control over data, deeper insights into campaign performance, and more sophisticated ways to automate customer communication workflows, particularly benefiting their European user base....more
ACCESSWIRE • February 27, 2024
OneSignal Recognized in G2’s 2024 Best Software Awards
OneSignal has been prominently featured in G2's 2024 Best Software Awards, earning recognition across multiple categories including #1 Best Software in Marketing & Digital Advertising Products. This acknowledgment is based on authentic user reviews and highlights OneSignal's leadership in Mobile Marketing, Push Notification Software, and Customer Data Platform (CDP) spaces, reflecting strong customer satisfaction and market presence....more
OneSignal Blog / TechCrunch • June 28, 2022
OneSignal Lands $50M Series C to Help Devs Add Messaging Features to Apps
OneSignal announced a $50 million Series C funding round led by Addition, with participation from existing investors Rakuten Ventures, SignalFire, Y Combinator, and General Catalyst. This funding aims to accelerate product development, expand its global reach, and further empower developers to build effective customer messaging experiences....more
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