Sierra Technologies
San Francisco, California, United States · Artificial Intelligence, information technology & services, Software · 128 employees
Sierra Technologies is an AI startup co-founded by Bret Taylor and Clay Bavor that focuses on developing a conversational AI platform for businesses. Founded in 2023, it provides an AI 'agent' to automate various tasks, including customer service and voice calls. The company emphasizes core values such as trust, craftsmanship, and customer obsession. Its platform is designed to enhance customer in
Funding history
- Funding Round — $350.0M — Sep 2025
- Funding Round — $175.0M — Oct 2024
Recent signals
- Sep 05, 2025: Raised $350.0M
- Mar 06, 2025: Sierra Appoints Rachel Whetstone as Chief Communications Officer
- Nov 15, 2024: ADT Partners with Sierra to Deploy AI for Customer support
- Oct 29, 2024: Raised $175.0M
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