This publication relates to the subject of shaping and maintaining high competitiveness and innovation by businesses, with particular emphasis on the SME sector in the Baltic Sea Region. It is divided into three parts. The first part includes the discussion of women's economic activity and their participation in the creation and strengthening of the competitive position of companies. The second part is devoted to problems related to the ageing of population in the Baltic Sea Region countries and the potential socio-economic impact of this fast growing process. The deliberations contained in the second part refer also to the possibilities and conditions for realizing the potential of seniors in the development of competitiveness and innovation of enterprises. The third part is a fragmentary overview of achievements related to the factors of competitiveness and innovation of modern enterprises. The papers, that were presented at a international conference 2013 at the Gdansk University of Technology, are printed in English.