<![CDATA[Abstract: Vinta Manullang Store is a business engaged in the sale of clothing for men, women, and children. In today's digital era, the implementation of Customer Relationship Management (CRM) strategies plays an important role in building and increasing customer loyalty. Along with the development of technology, the implementation of Electronic Customer Relationship Management (E-CRM) is increasingly needed to manage customer interactions more effectively. This study aims to implement the application of E-CRM in terms of increasing the efficiency of customer data management and strengthening relationships with customers. This study uses a case study method with a qualitative approach, which is carried out through interview techniques and observations of the system being run. Based on the results of the study, it can be seen that the implementation of E-CRM allows faster and more accurate product information synchronization, facilitates online transactions, and increases customer interaction through review features and direct communication. Thus, this system contributes to increasing customer satisfaction, loyalty, and the effectiveness of vinta manullang store operations.Keywords: customer relationship management (CRM); sales; customer loyalty; clothing; toko vinta manullangAbstrak: Toko Vinta Manullang merupakan bisnis yang bergerak di bidang penjualan pakaian untuk pria, wanita, dan anak-anak. Di era digital saat ini, penerapan strategi Customer Relationship Management (CRM) memainkan peran krusial dalam membangun dan meningkatkan kesetiaan pelanggan. Seiring dengan perkembangan teknologi, implementasi Electronic Customer Relationship Management (E-CRM) semakin diperlukan untuk mengelola interaksi pelanggan secara lebih efektif. Penelitian ini bertujuan untuk menganalisis penerapan E-CRM dalam hal meningkatkan efisiensi pengelolaan data pelanggan serta memperkuat hubungan dengan pelanggan. Penelitian ini menggunakan metode studi kasus dengan pendekatan kualitatif, yang dilaksanakan melalui teknik wawancara dan observasi terhadap sistem yang sedang dijalankan. Berdasarkan hasil penelitian, dapat diketahui bahwa penerapan E-CRM memungkinkan penyampaian informasi produk lebih cepat dan akurat, mempermudah transaksi online, serta meningkatkan interaksi pelanggan melalui fitur ulasan dan komunikasi langsung. Dengan demikian, sistem ini berkontribusi terhadap peningkatan kepuasan pelanggan, loyalitas, serta efektivitas operasional toko vinta manullang.Kata kunci: customer relationship management (CRM); penjualan; loyalitas pelanggan; pakaian; toko vinta manullang]]>
