To find the right service provider in a tendering process, it is first of all essential to make the current costs and requirements transparent. Important aspects are a detailed analysis of existing requirements, responsibilities, procedures and agreements with outside contractors. In addition, the actual needs should be determined and cross-checked against purchased services. Experience shows that this analysis can often be conducted more objectively by an external third party. The main reason for this is that external experts are less involved in company policy and therefore less susceptible to influence.