Retell has achieved $60M in ARR as of 2025, growing rapidly from $5M at the start of the year.
This impressive growth represents a 1100% year-over-year ARR increase, fueled by thousands of companies adopting its AI-powered voice agents for sales, customer support, and logistics.
Backed by Y Combinator, Alt Capital, and others, the company operates with a lean team of 40 employees and is recognized as one of the fastest-growing voice AI startups.
Retell aims to expand further by building a modern CX platform that fully automates contact center operations with intelligent AI workers capable of managing and optimizing interactions autonomously.
The company has earned accolades such as being listed on the a16z Top 50 AI Apps and Brex's Fast-Growing Software Vendors of 2025.