Tallinn, Estonia · Founded 2018 · Privately Held (backing)
Developer of a security platform designed to protect web hosting ecosystems from malicious traffic and cyber threats. Blackwall is based in Tallinn, Estonia and was founded in 2018. Its last reported valuation was $491 million in Jan 2025. It has raised $60.1 million.
Last reported valuation
$491.1M
Oct 2026
Priced at
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Total raised
$60.1M
Last round
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Cap table — not yet on record
Blackwall'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: 12 names
·Watch Blackwall: the Monday email on marks, rounds and moves
