Blackwall Hits $2.2B Valuation After Raising $100M in Series C

WHO:

Techmeme - Blackwall is an Estonia-based web traffic security company.

TechCrunch - Blackwall builds security and filtering tools for websites and web traffic.

Techmeme - AVP led Blackwall’s Series C.

WHAT:

Techmeme - Blackwall raised $100 million in a Series C at a $2.2 billion valuation.

TechCrunch - Blackwall raised $100 million at a $2.2 billion valuation, quadrupling its valuation.

Techmeme - Blackwall previously raised $49.2 million in a Series B.

TechCrunch - The company’s tools help websites address growing bot and AI traffic.

WHERE:

Techmeme - Blackwall is based in Estonia.

WHY:

TechCrunch - Blackwall raised the funding to continue building security and filtering tools that help websites grapple with growing bot and AI traffic.

Techmeme - Blackwall’s tools are designed to secure web traffic for hosting providers.

(UPDATED October 21, 2026 00:41 UTC)

Estonia-based web security company Blackwall has raised $100 million in a Series C funding round led by AVP, valuing the company at $2.2 billion and quadrupling its valuation. The company builds security and filtering tools for websites and hosting providers. The funding will support further development of tools to help websites manage growing bot and AI traffic.