Archibald Williams’ Stuart Archibald departs

April 16, 2024 9:41

Stuart Archibald, one half of the founding duo of independent agency Archibald Williams, has departed to launch a new agency model, CA.5, in Sydney and London.

Described as offering clients as “alternative model to the traditional agency structure and approach”, CA.5 will be powered by some of the “world’s best” data, planning, creative and tech practitioners.

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Lauren McNamara

Lauren McNamara is a freelance journalist. She previously spent three years at Mumbrella, most recently as the associate editor. She left her staff role in August 2025.