Business Manager Salary. (United States). The national average salary for Business Managers is $58K per year; Capital One Financial Corp pays the most in this field, though, offering a median salary of $122K.Raytheon Co., Apple Computer, Inc, and Alliance Residential Company LLC also offer top salaries for Business Managers.usiness Manager Salary. (United States). The national average salary for Business Managers is $58K per year; Capital One Financial Corp pays the most in this field, though, offering a median salary of $122K.