Both the firms will operate under a holding company, of which Toyota will own 66% and Dentsu 34%. The companies are scheduled to start operations in January 2021.

One of the companies will focus on improving Toyota's marketing strategy to create "exceptional customer trust," while the other will work on digital transformation and the use of data to improve customer relationships, Dentsu said.

(Reporting by Sakura Murakami; editing by Uttaresh.V)