Baltic Seaports are a part of the sustainable global transport infrastructure. The main competitors of the Baltic countries in Baltic Sea region are the ports of Lithuania, Latvia, and Estonia. The ports of all three Baltic States are important transit corridors, connecting not only East and West, but also South and North. Periodical investments, modernization, and the construction of new terminals allow the Port of Klaipeda to successfully compete with neighbouring ports and strive for leadership positions. Thus, the aim of our study is to investigate the competitive environment of the Baltic Sea region. We use systematization, grouping, summarization of the scientific literature, data collection, comparison, financial analysis, and capacity calculation. The main results show that the Port of Klaipeda, a seaport on the eastern Baltic coast, is an important hub of the East-West (IXB) transport corridor, connecting roads and sea routes in this direction. With the accession of new members, including Lithuania, to the EU in 2004, the Baltic Sea became the internal Sea of the Union. Many Baltic seaports belong to the same system and organizations (ESPO, BPO). EU ports policy provides them with equal requirements for security, transport regulation, environmental protection, anti-air pollution, and sustainable development. The results obtained enable exploration perspectives. This includes a feasibility study for port development and attracting new investment from foreign capital markets in the Baltic Sea region.

In a rapidly changing technology world, companies need to conform to their customers’ expectations if they wish to remain competitive in the marketplace. New products, services, processes, marketing, management, and organizational innovation can all be tools to keep companies competitive. Research and development (R&D) expenditure is a critical component in the development of a design process. According to the scientific literature, corporate governance and financial performance can be essential variables with a significant impact on the innovation process. By acting transparently and honestly with all stakeholders (employees, suppliers, customers, creditors, government, community), companies can ensure and enhance the economic sustainability of the whole country through efficient management of financial resources and work toward high value-added innovation. Therefore, the aim of this work was to analyze whether corporate governance and financial performance affect the development of corporate innovation investments and, at the same time, the sustainability of the country’s economy. Additionally, this research proposes a methodology for integrated assessment of corporate innovation investments in the context of economic sustainability, aimed at companies and countries for more efficient investment in innovation and sustainable development outcomes. The object of the research was corporate innovation investment intensity as the driver for economic sustainability. An evaluation methodology for integrated assessment of corporate innovation investment can be used as an instrument for the stimulation of business innovation and strategic development of a country’s economy. The evaluation methodology of integrated assessment of corporate innovation investments can be utilized to evaluate different companies and governments. Evidence-based empirical calculations show that synchronized corporate governance and financial performance influence the intensity of corporate innovation investments in the context of economic sustainability.