Sierra reports $400M+ ARR and develops Poppy agent-control standard
Sierra says its annual recurring revenue exceeded $400 million, with more than $150 million added in Q3 alone, and that it now works with almost half of the Fortune 50. The company also says it is developing Poppy, an open standard for fine-grained control over how personal agents interact with brands, with more than 50 enterprises involved. Sierra additionally says Ghostwriter enabled a large US retailer to move from its first meeting to a live agent in 27 days.
Sierra's $400 million-plus ARR milestone and reported participation among large enterprises indicate substantial commercial adoption of enterprise AI agents, while Poppy could establish shared rules for brand-facing agent interactions.
We launched Sierra just over two and a half years ago. This week, we hit $400M+ in ARR, adding over $150M+ in ARR in Q3 alone. That’s more ARR in one quarter than we generated all of last year. More importantly, our growth is accelerating: we took six months to double from $100M to $200M ARR, and only five months to double from $200M to $400M.
This growth is driven by a number of different factors, including:
- The increasing ambition of our customers — while being some of the largest and most heavily regulated businesses in the world, they’re pushing to do more with their agents, faster.
- A step change in what agents can do — moving from one-and-done support conversations to interactions that last weeks or months and drive revenue.
- The ease of building and improving agents with Ghostwriter — this month a large US retailer ($40B+ in revenue) went from first meeting to live agent in 27 days.
Looking toward 2027, we’re excited to help businesses — we now work with almost 50% of the Fortune 50 — answer the big questions they’re facing. How do I turn our AI investments into measurable returns? Are personal agents an opportunity or a threat? What’s my competitive advantage when everyone has access to the same intelligence?
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