the paper presents a contribution to construction of tools for decision making support in organisational system for uncertainty aspect. develop theory of risk assessment is based on the adapted fuzzy analytic hierarchy process(AHP). in decision making under uncertainty and consecutive appearing risk is devided into identified categories and factors of uncertainty. the basic method used in the numerical part of the evaluation is two pass Fuzzy AHP (applied: first for the importance and second for the uncertainty of risk factors). the process is based on determination of relations between particular risk categories and factors…….
key words: uncertainty factors, risk, estimation, fuzzy AHP Method, Three-Steps Systematic Approach, Deciding