Sierra, co-founded by former Salesforce co-CEO Bret Taylor and ex-Google PM Clay Bavor, announced that it has surpassed $100 million in annual recurring revenue with a team of just 17 employees. At the same time, the company introduced its next-generation autonomous AI workers designed to execute complex enterprise workflows. Official blog: Sierra Blog.

• Extreme efficiency: Sierra claims it reached $100M ARR faster than any enterprise software startup in history, attributing growth to its AI-driven development and minimal headcount.
• Autonomous workers: The new Sierra Workers can complete multi-step tasks — such as customer support resolutions, logistics operations, and service workflows — without human intervention.
• Enterprise adoption: Fortune 500 customers are already using Sierra’s agents in production, reporting major reductions in cost-to-serve and response time.
• Architecture: Sierra Workers chain reasoning, action plans, memory, tools, and real-time API interactions to deliver consistent outcomes at scale.
• Traction: Sierra’s rapid climb mirrors a new class of AI-native enterprise companies that scale revenue dramatically faster than traditional SaaS models.

Why it matters: Sierra’s combination of extreme ARR growth and ultra-small team size signals the arrival of the AI-native enterprise era, where many roles in customer operations, logistics, and support may be handled entirely by software agents — fundamentally rewriting SaaS economics.