The article deals with the situation in the area of social services in Slovak Republic and general concept of the evaluation from the perspective of diff erent authors. It also defines the objectives of the evaluation, types of evaluation and different kinds of assessment. Article is also focused on evaluation of social services as an important part of social work. It describes theoretical concepts, which have signifi - cant impact on the evaluation of social services in practise. Article also describes the „evaluation tree“, which branches represent diff erent focuses and orientations of many authors of evaluation theories.
