Vitruvian Partners has acquired a majority stake in Smartling, an AI-powered translation platform, from Battery Ventures for undisclosed terms. Smartling CEO Bryan Murphy will remain in his role. The investment will fund agentic localization tools and API-first platform integrations.

Smartling serves more than 1,000 global brands, translating billions of words a year across websites, apps and marketing content. The company has been named to Fast Company's Most Innovative Companies list for two consecutive years. Vitruvian Partners, with over $20 billion in active funds, previously backed Darktrace, Hinge Health and Wise.