The development of digital technology has encouraged Micro, Small, and Medium Enterprises (MSMEs) to utilize e-commerce as a marketing strategy to expand market reach and improve business performance. The traditional weaving industry, as part of the creative industry sector, also has significant opportunities to utilize digital marketing in order to enhance business competitiveness. This study was conducted with the aim of analyzing the influence of e-commerce on the income improvement of Ulukarua Weaving House in Bambu Village, Mamuju Regency. This study employed a quantitative approach by utilizing secondary data in the form of business financial reports from the 2021–2025 period. The data were analyzed using descriptive analysis, simple linear regression analysis, correlation analysis, coefficient of determination analysis, and t-test. The findings indicated that the increase in e-commerce utilization costs was followed by an increase in annual income and net sales. These findings demonstrated that e-commerce utilization provided a positive contribution to income growth through market expansion, improved marketing effectiveness, and transaction efficiency. Therefore, e-commerce became one of the important factors in supporting the development of traditional weaving businesses in the digital era
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