All of these factors add up to increased hours. The average number of hours spent at work by quality professionals is 47. Ninety-one percent of those surveyed work more than 40 hours a week. Two thirds of the almost 1,400 people surveyed say that the time they spent in the work place is close to 50 hours a week. More than 300 people work in excess of 50 hours per week. As compared to last year, 33% worked more hours than they did the year before.