This article presents the process of constructing a new method to measure competencies of people aiming to establish their own company. On the basis of literature study concerning competencies, statements considering general and specific competencies, substantial when establishing economic activity were generated. On the next stage the statistical analysis of research results was made using elementary version of method -180 people from six European countries: Belgium, France, Poland, Hungary, United Kingdom and Italy were tested. As a result 'ASTRA-STARTER' method was developed. It consists of 53 statements, grouped in eight scales. Reliability of particular scales ranges between 0,59 and 0,93. Method can be used for comparative research of different groups, starting new venture. Thanks to six language versions it can be used in countries of European Union mentioned earlier. It can also be used as a helping tool to design training for people starting economic activity.