With their flexible structures that can easily adapt to change, start-up companies have become the cornerstone of the entrepreneurial ecosystem in today's economy. In the economic competition between countries, start-up companies in the country are of great importance. When the related literature’s examined, it’s seen that Turkey has not been investigated in a satisfactory form in terms of the condition on start-up firms. Given the worldwide prevalence and importance of these firms, such research is considered essential for Turkey. The aim of this study is to present exploratory knowledge on start-up firms which has been established and operating in Turkey. Hence, 5,504 start-up companies in Turkey are examined in terms of variables such as the sector in which they operate investment types and the demographics of investors. As a result of the study, As result of the research, it was found that startup investors are mostly graduated from foreign universities, the number of male investors is higher than female investors, the number of startups has increased in the 2000s, there is a concentration of startups in the e-commerce and manufacturing sector, most of the startups continue to operate and the majority of investment types are the seed. The study is thought to be beneficial for all stakeholders from researchers to practitioners.