In today’s world, digital transformation enhancement in IT sector becomes crucial for efficient solutions in organizations. Institutions in public sector try to enrich its process solutions with additional products and services. On the other hand, especially in developing countries, there is a high tendency to obtain products with domestic resources in order to reduce financial expenses. Besides, it may be crucial for public and military institutions to develop IT products with domestic resources in order to preserve data security and privacy. Thus, there is a need to develop a reliable scale to measure nationality and domesticity of products. This study attempts to construct a methodology for determining country of origin of IT products. Suggested methodology was verified by interviews with experts in subject area.