This Is the Perfect Number of In-Office Days Needed to Keep Employees Engaged and Productive, According to a New Study PwC’s three-month study of its employees revealed how many days of in-office work it takes for a company to run smoothly. Previous Article UPS Is Laying Off 20,000 Employees and Closing Over 70 Locations: 'Reduce Cost' Next Article Why Gen Z is Ditching Old Online Platforms for More Control