The Doctoral Thesis is devoted to the field of strategic management in sustainable competitive advantage creation to achieve maximum competitive advantage in the market, improve strategy planning process and provide recommendations on value added management. The present Doctoral Thesis covers the role of strategic fit for a company competitiveness and is based on the fit between strategy and the proportion of organisational and environmental compatibility. The company with optimal strategic fit would have a superior performance when compared to other companies. During the research, the author has investigated the industrialisation impact on the manufacturing company development, the role of intellectual capital in competitive advantage of a modern manufacturing company, conducted analysis of both post-industrial society characteristics and organisation development theory. The author has elaborated the quantitative conceptual model for evaluation of competitive advantages based on manufacturing company’s value creation. Manufacturing companies' strategic development could be reinforced through optimisation of strategic fit in order to achieve sustainable development. The author' developed integrative model of strategic fit is enhancing the growth opportunities for manufacturing companies within manufacturing industry.