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Siena raises $17 million for shared AI customer-service agents

Siena announced a $17 million Series A led by York IE, bringing its stated total funding to $29.7 million. It plans to expand an Agent of Record system that shares customer context across support, shopping, social and voice agents. Customer counts and automation results in the release are company-selected claims, not independent market evidence.

Siena

Agent of Record

Funding & Deals

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1 source

Primary source · Siena · October 6, 2026

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