AiSDR Inc.
AiSDR is a San Francisco-based SaaS startup offering an AI sales agent for deeply researched and high-converting automated omni-channel outreach that feels human.
Last updated September 2, 2026
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Overview
AiSDR Inc. is a San Francisco-based SaaS startup that provides an AI sales agent for automated, omni-channel outreach. The company claims to have 250+ clients and reports metrics such as 1-3 demos booked per 100 leads and a 7.1% average reply rate across campaigns. It was part of Y Combinator's S23 cohort and raised a $3M seed round in September 2023.
History
AiSDR got into Y Combinator with just the prototype. Before any production code was written, the team signed 20 paid pilots worth more than $200k. In September 2023, after Demo Day, AiSDR raised a $3M seed round led by Y Combinator, Flyer One Ventures, SID Venture, and others. Revenue hit $500k ARR, customers grew to 50, and MoM growth reached 65%. In H2 2024, key releases included deep-search intent signals, LinkedIn messages automation, and website-visitor tracking. In Q1 2025, monthly client-booked meetings rose 37%.
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