This study aims to analyze the influence of investment, financing, and MSMEs on the economic growth of Medan City from 2017 to 2022. It is a quantitative research study conducted through library research and reference studies. Data collection methods include questionnaires and documentation studies. The data analysis involves validity and reliability tests, classical assumption tests, t-tests (partial), F-tests (simultaneous), regression analysis, and coefficient determination. The results indicate that investment, financing, and MSMEs play significant roles in the economic growth of Medan City. Investment contributes 14.1% to economic development by enhancing infrastructure and technology, which supports the industrial sector and creates job opportunities. Financing, with a 99.1% contribution, facilitates business access to capital, improves efficiency, production capacity, innovation, and supports economic diversification. Although MSMEs contribute only 1.9%, they are crucial for the local economy by providing employment and reducing poverty. Supportive pro-MSME policies are essential for their growth. Overall, these three variables contribute 97.5% to the economic growth of Medan City's community between 2017 and 2022, underscoring their key roles in driving local economic development.