2026年3月27日Sierra、日本発のAI企業「OPERA TECH」を買収本日、Sierraは東京を拠点とするエンタープライズAI企業、株式会社OPERA TECHを買収したことを発表いたします。
2025年11月5日Sierra Agent OS 2.0: from answers to memory and actionAt Sierra Summit, we unveiled the future of AI agents: a single agent that works across every channel, learns from every interaction, and builds real customer relationships. With eight new products, including Agent Studio 2.0 and the Agent Data Platform, Sierra is turning the promise of AI-powered customer experience into reality.
2026年3月25日Agents as a ServiceSierra is reimagining software for the agent era—where you simply describe the outcome, and intelligent agents build, execute, and continuously improve the work for you. Meet Ghostwriter, the agent that creates and optimizes other agents, turning your ideas into production-ready customer experiences without clicks, code, or complexity.
2026年2月6日Year two in reviewSierra is heading into year three with over $150M in ARR, powered by rapid adoption from some of the world’s largest companies. The growth reflects a simple idea: when AI is built around real jobs to be done (not experiments), even the biggest enterprises can see meaningful impact fast.
2025年11月5日Introducing Agent Data Platform Sierra’s first-of-its-kind Agent Data Platform (ADP) gives agents memory, context, and intelligence — turning every interaction into a human, personalized experience. Powered by Agent OS, ADP helps companies move from answering questions to anticipating needs.
Sierra acquires Fragment in FranceWe are excited to announce the acquisition of Paris-based Fragment, which helps businesses scale their operations using AI, freeing up employees to focus on higher value work. 2026年4月23日
The AI-native interviewWe’ve redesigned our engineering interview process from the ground up.2026年4月22日
Eric Eyken-Sluyters joins Sierra as President of Field OperationsWe are excited to announce that Eric Eyken-Sluyters will be joining Sierra to lead our global Sales, Sales Engineering, and Partnerships teams.2026年4月1日
Sierra、日本発のAI企業「OPERA TECH」を買収本日、Sierraは東京を拠点とするエンタープライズAI企業、株式会社OPERA TECHを買収したことを発表いたします。2026年3月27日
No worries vs please hold: Sierra comes to AustraliaWe're excited to share that we are opening an office in Sydney, Australia, where we'll partner with leading companies to deliver faster, more human customer experiences.2026年3月23日
All about the agent: Sierra launches in SpainSierra is already working with a number of the biggest businesses in Spain to build better, more human experiences with AI. We’re excited to build deeper partnerships as we open our office in Madrid.2026年3月12日
Year two in reviewSierra is heading into year three with over $150M in ARR, powered by rapid adoption from some of the world’s largest companies. The growth reflects a simple idea: when AI is built around real jobs to be done (not experiments), even the biggest enterprises can see meaningful impact fast.2026年2月6日
Sierra and Stellarus: Advancing a new model for AI-powered healthcare member experienceSierra is partnering with Stellarus to help health plans like Blue Shield of California deploy AI agents.2026年1月12日
Building in FranceSierra is expanding to France, where we'll help leading companies—from luxury houses to aerospace innovators—deliver exceptional customer experiences with AI.2025年12月15日