San Mateo, CA · Founded 2011 · Privately Held (backing)
Developer of a customer engagement and messaging platform designed to help businesses communicate with users across multiple channels. OneSignal is based in San Mateo, CA and was founded in 2011. Its last reported valuation was $266 million in Jan 2023. It has raised $84.3 million.
Last reported valuation
$266.0M
Oct 2026
Priced at
—
Total raised
$84.3M
Last round
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Cap table — not yet on record
OneSignal's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.
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·The complete investor list: 44 names
·Watch OneSignal: the Monday email on marks, rounds and moves
