AiSDR Inc.

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.

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%.

1. Send deeply researched, high converting sales outreach | AiSDR
2. About AiSDR | Team, vision, mission, what we stand for & more
3. AiSDR case study | A Fortune 500 company scaled outbound with 8000+ emails using AiSDR
4. AiSDR Inc.