Top 50% vertical AI efficiency trophy

Sierra: #29 of 83 by ARR per employee

Sierra is ranked #29 of 83 vertical AI companies on Vertical Velocity with $249K ARR per employee. The company is #6 in Other AI and is tracked as part of the vertical AI efficiency benchmark.

Company metrics

  1. Overall rank #29 of 83
  2. Category rank #6 in Other AI
  3. ARR per employee $249K/emp
  4. Estimated ARR $150M
  5. Headcount 603
  6. Headquarters San Francisco, CA

What the company does

Sierra builds AI-powered customer experience agents that handle conversations across voice, chat, and digital channels for consumer-facing brands. The platform serves large consumer companies in retail, telecom, and financial services that need to deliver personalized, always-on customer support at scale. Sierra's agents are designed to go beyond scripted chatbots by understanding nuanced customer intent and taking actions like processing returns, updating accounts, and resolving billing issues autonomously. Founded by former Salesforce CEO Bret Taylor and former Google executive Clay Bavor, the company has rapidly scaled to a $10B valuation.