DayNine (acquired by Accenture) | 6,056 followers on LinkedIn. Accenture’s Workday practice, Accenture DayNine, focuses on all phases of Workday deployment. Our mission is to help global organizations transform their employee experience and financial management systems to better navigate change and drive growth. Accenture DayNine was formed in 2016 when two leading Workday services practices joined to form the largest certified workforce in the Workday ecosystem.