While retaining your employee is always beneficial to the company because that employee is knows companies culture knows the work structure of the company and also knows how to get work done from people within the company which is not always easy for new employee to get used to. But that being said that’s not always the case first the company needs to evaluate the performance of the employee and what are significant contribution that person has made. Basically company needs to answer why they want to retain the employee and what qualities do they posses to retain them.
In industry other companies always keep on looking for good employees and have track on good people in other companies so they always look to lock this opportunity and if one company doesn’t do anything other company will definetly take them away.