Investigation of the Effectiveness of the Introduction of the Quality Management System According to the ISO 9001 Standard in Transport Companies: Slovakia Case Study

The ISO 9001 standard is the most widespread in world that sets requirements for a quality management system. Thousands of companies around have implemented system according to 9001, and there are many reasons why they decided implement this their companies. main goal paper determine impact introduction on performance selected sample transport after its successful implementation as strategic step achieve better competitiveness. 17 was investigated through use financial analysis, regression, correlation analysis tools. first significant finding indicators, such profitability assets, sales, size company, age company companies, showed positive difference average values period obtaining certification when compared without certification. Further investigation situation already had place revealed all indicators acquired 2020 during COVID-19 pandemic, which could also be due fact kept customers.