Which world-famous architecture firm underwent a major rebranding in 2015, changing their logo from a distinctive red square to a minimalist black wordmark to reflect their evolution from a single visionary to a collaborative global practice?

Architecture firms are increasingly focused on brand value and identity in their design philosophy. Many renowned architectural studios have undergone significant rebranding to better reflect their evolving design principles and market positioning. This poll tests your knowledge of notable architectural brand transformations that shaped the industry's contemporary landscape.

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Foster + Partners
Zaha Hadid Architects
BIG (Bjarke Ingels Group)
Gensler