SUMMARY Rasa Kairienė Improvement of Entrepreneurship of Small Sales Businesses Master’s studies final thesis, 67 pages, 10 figures, 11 tables, 47 references, 2 appendices, in Lithuanian. KEY Words: businessman, entrepreneurship, human capital, small sales companies, external factors, internal factors. Object of investigation: businessmen of Radviliškis District small sales companies in 2003–2005. Subject of investigation: businessmen entrepreneurship. Aim of the work: to analyse entrepreneurship of small sales companies, to show ways of its improvement and to prepare entrepreneurship pattern. Tasks: 1) To ground entrepreneurship and related concepts. 2) To find out the entrepreneurship of the small sales companies of Radviliškis District. 3) To disclose reasons, creating obstacles for entrepreneurship of small sales companies, and to provide entrepreneurship improvement measures. 3) After having performed analysis, to prepare entrepreneurship pattern. Methods of investigation: synthesis and analysis of economic literature, sociologic questioning and interviewing methods, logical and graphical modelling methods. By studying literature about businessmen entrepreneurship and performing practical investigation, entrepreneurship of small sales companies’ businessmen was established, factors, impeding the entrepreneurship, stated, ways to improve entrepreneurship shown, entrepreneurship improvement patterns suggested.