Calltree blog · Jun 2026
Company blog post discussing how AI agents are transforming customer support, emphasizing continuous optimization, multi-channel integration, and brand-aligned support.
Enterprise-grade AI support reps for call centers
Company research
Public company, workplace, funding, and market signals
Updated Jul 30, 2026
Overview
Calltree is a 2025-founded, San Francisco-based YC Winter 2025 startup that provides a fully managed AI operations team for enterprise customer support and contact centers. It trains custom AI on each client’s calls, documentation, and product data, then runs and monitors the system with a US-based human ops team to improve handle time, resolution rates, and cost per interaction.
Primary product
Fully managed AI operations for enterprise customer support and contact centers
Founded
2025
Headquarters
221 Kearny Street, Fifth Floor, San Francisco, CA 94108, United States
Team size
1-10
Industry
Technology, Information and Internet
Sub-industry
AI customer support and contact center automation
Offices
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