Evaluation system of employees, business partners or group of co-workers should not be underestimated. For sure you want to have a clear vision if every unit of the whole works well. If it does not it is necessary to find out the causes and implement the remedy. Nowadays, there is a wide range of possibilities how to start with evaluation. You can create your own evaluation system or to rely on experienced tactics and procedures. Co-workers can be evaluated individually or aggregated to achieve the general overview. It depends on your company and field of business.