Which renowned architecture firm underwent a major rebranding in 2015, changing its name from SOM (Skidmore, Owings & Merrill) to a simplified acronym while introducing a new minimalist logo?

Test your knowledge of how architecture firms have evolved their branding and visual identities over time. Many leading architecture practices have undergone significant rebranding efforts to better position themselves in an increasingly digital and global marketplace. This poll explores a notable rebranding case that changed the face of a major architectural practice.

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Foster + Partners, which rebranded from 'Foster Associates' with a new geometric logo representing interconnected spaces
None - SOM has maintained its original name and visual identity since its founding in 1936, making it one of the most stable architectural brands
Gensler, which dropped 'M. Arthur Gensler Jr. & Associates' for a simplified wordmark with a distinctive red square
Perkins&Will, which removed the space between words and added an ampersand to modernize its identity along with a new abstract symbol