A homogeneous workforce offers employers a pool of potential employees that share cultural and social norms. It is much more common for an employer to draw from a heterogeneous workforce that features differences in race, gender, age, disabilities and sexual orientation. However, companies still encounter regional conditions that provide a remarkably homogeneous workforce. Knowing the advantages of this can help a company prosper.
According to the Encyclopedia of Small Business, how employees view the importance of saving face can offer advantages. If a business owner encounters a collectivist tradition, discipline can be geared toward encouraging the employee to fit in better with the group by avoiding disruptive or destructive behavior. The owner can take advantage of an individualist workforce by framing discipline in terms of the employee's personal responsibility.
Members of a homogeneous team will have an easier time comprehending each other's verbal and nonverbal communications and will have more shared experiences in common. The similarities can, to some extent, avoid misunderstandings, prejudices and, arguably, speed up work processes and the completion of tasks. 
For example, there is a famous milk tea brand called Chayanyuese, which sells unique milk tea only in Changsha. This company consists of people mainly from regions near Hunan province, who share similarities. This tea is known all over the country, and people travel here just to drink this tea. The brand is highly localized, so the homogeneous team could have deeper understanding of their regional culture.