Atlassian Corporation, a leader in team collaboration and productivity software, has entered into a definitive agreement to acquire The Browser Company, creators of the Dia and Arc browsers, as announced on September 4, 2025. This strategic move aims to redefine the browser experience for knowledge workers by integrating AI and SaaS capabilities, enhancing productivity and security in the workplace.
Atlassian to acquire The Browser Company for $610 million in cash.
Acquisition aims to create Dia, an AI-powered browser for knowledge work.
Dia will optimize SaaS apps, enhancing workflows for knowledge workers.
Features AI skills and personal work memory to connect apps and tasks.
Built with trust and security to protect company data.
Deal expected to close in Atlassian’s Q2 FY2026, pending approvals.
Atlassian, known for powering over 80% of Fortune 500 companies with its collaboration tools, is set to acquire The Browser Company for $610 million in cash. The acquisition, announced on September 4, 2025, will combine Atlassian’s expertise in team productivity software with The Browser Company’s innovative browser technology, particularly the Dia and Arc browsers. This partnership aims to deliver an AI-powered browser tailored for knowledge workers, addressing the limitations of current browsers designed for general consumer use rather than workplace efficiency.
Today’s browsers, built before the SaaS and AI revolutions, lack the context needed to support knowledge workers who juggle multiple workflows across tabs. The collaboration between Atlassian and The Browser Company will transform Dia into the ultimate AI browser for work, optimizing SaaS applications like email, project management, and design tools. “Today's browsers weren't built for work, they were built for browsing,” said Mike Cannon-Brookes, Atlassian’s CEO and co-Founder. “By combining The Browser Company’s passion for building beloved browsers with our two decades of understanding how knowledge workers operate, we see a huge opportunity to transform the way work gets done.”
Dia will integrate AI skills and personal work memory to connect apps, tabs, and tasks, streamlining workflows for knowledge workers. With over 2.3 million monthly active users of Atlassian’s AI capabilities, growing 50% quarter-over-quarter, the company is well-positioned to scale this vision. The browser will prioritize trust and security, ensuring company data remains protected. “For laptop workers, your browser is where your job actually happens,” said Josh Miller, The Browser Company’s CEO and co-founder. “Teaming up means we can move faster, dream bigger, and focus on building an AI browser for work that people genuinely love to use.”
The $610 million cash deal, funded from Atlassian’s balance sheet, is expected to close in the second quarter of Atlassian’s fiscal year 2026, pending regulatory approvals. The acquisition is not anticipated to materially impact Atlassian’s financials in FY2026 or FY2027. With Atlassian’s reach to over 300,000 customers and The Browser Company’s millions of browser users, the partnership is poised to bring Dia to a global audience, redefining productivity for knowledge workers.
This acquisition marks a significant step toward integrating AI and SaaS to create a browser that empowers knowledge workers, combining Atlassian’s enterprise expertise with The Browser Company’s innovative approach to browser design.
Atlassian unleashes the potential of every team. A recognized leader in software development, work management, and enterprise service management software, Atlassian enables enterprises to connect their business and technology teams with an AI-powered system of work that unlocks productivity at scale. Atlassian’s collaboration software powers over 80% of the Fortune 500 and 300,000+ customers worldwide - including NASA, Rivian, Deutsche Bank, United Airlines, and Bosch - who rely on our solutions to drive work forward.
The Browser Company of New York (BCNY) is the team behind Dia and Arc — both bold небо new takes on the web browser – that have amassed millions of users. The Verge called Arc "a new way of using the internet" and the Chrome replacement they had been waiting for, while The New York Times described Dia as a new type of AI browser that "makes generative A.I. more accessible to the mainstream." Since 2020, BCNY has been striving to make our days online more human, more powerful, and more futuristic.
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