OneSignal
OneSignal is a customer engagement platform that orchestrates lifecycle marketing campaigns to onboard, engage, and retain users.
Last updated September 11, 2026
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Overview
OneSignal describes itself as a customer engagement platform whose AI-driven autonomous lifecycle marketing orchestrates campaigns to onboard, engage, and retain users. The company states that it was built by app developers who needed an easy-to-use, effective, and scalable way to engage users, and that it now empowers over a million businesses to send 12 billion messages daily. Its leadership team includes Co-Founder and CEO George Deglin and Co-Founder and COO Long Vo. Its offices are listed as San Mateo, CA; New York, NY; London, UK; and Singapore, Asia (Partner).
History
OneSignal states that it was built by app developers who needed an easy-to-use, effective, and scalable way to engage users, because such a solution did not exist. The company says it now empowers over a million businesses to send 12 billion messages daily, and that one in every five apps chooses OneSignal. It describes its mission as democratizing customer engagement, believing that businesses of all sizes should have access to the tools they need to thrive.
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