One Architecture & Urbanism (ONE) Employee Directory
Architecture and PlanningNew York, United States11-50 Employees
ONE Architecture & Urbanism (ONE) is a mid-sized architecture and urban planning practice with roots in Amsterdam, founded in 1995. The firm designs buildings, infrastructures, and urban environments, and works on planning initiatives worldwide, with a New York office established in 2015 to concentrate on planning and resilient design. It is described as an award-winning practice and emphasizes process alongside projects, operating in a collaborative manner where finance, organization, technology, culture, and policy/politics are integrated into its work. ONE’s client base includes cities, regions, and national bodies seeking long-term spatial and infrastructure planning solutions. Based in New York City, the company positions itself within the architecture and planning field as a practitioner addressing multi-scale urban challenges, while maintaining global reach. In 2025, ONE expanded its collaboration with Bjarke Ingels Group, reflecting ongoing involvement in New York’s urban master planning, including the Lower Manhattan project known as The BIG U.
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