Agentic Customer Experience Platform Sierra Raises $950M

The company, which serves 40 percent of the Fortune 50, is valued at more than $15 billion.

Written by Ashley Bowden
Published on May. 05, 2026
robot agent depiction
Image: Shutterstock
REVIEWED BY
Rose Velazquez | May 05, 2026

Sierra, a San Francisco company enabling AI-powered customer experiences, recently announced a $950 million round of funding led by Tiger Global and GV. The company, which works to help businesses leverage applied AI to drive impact at scale, is valued at over $15 billion following its latest raise.

The company supports enterprise transformation in conjunction with the deployment of AI agents. Since agentic technology has enabled the digitization of phone conversations, Sierra is developing solutions to allow agents to manage customer relationships by anticipating their needs, resolving issues and driving sales.

Organizations, including several companies on the Fortune 50 list, leverage agents built on Sierra’s platform to power customer interactions across insurance, home lending, banking, healthcare, telecommunications and retail. These companies have deployed AI-powered experiences for claims processing, mortgage origination, subscription management and more.

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