Perkembangan teknologi informasi telah mengubah cara organisasi mengelola data dan proses bisnis, termasuk pentingnya sistem informasi akuntansi dalam menghasilkan laporan keuangan yang akurat. Menurut BPS (2022), indeks pembangunan teknologi informasi di Indonesia terus meningkat, mencerminkan adopsi teknologi yang signifikan. Di Pangkalan LPG Bendotretek, pencatatan dan pengelolaan stok serta laporan keuangan masih dilakukan secara manual, menyebabkan ketidakakuratan dan ketidakefisienan.

Penelitian ini bertujuan mengembangkan sistem informasi akuntansi berbasis website menggunakan metodologi Prototype untuk meningkatkan efisiensi operasional dan kualitas laporan keuangan. Metodologi ini dipilih karena memungkinkan partisipasi aktif pengguna dalam memberikan umpan balik selama proses pengembangan. Tahapannya meliputi analisis kebutuhan, pembuatan prototipe antarmuka, desain arsitektur dan komponen, serta implementasi dan pengujian sistem.

Hasil penelitian menunjukkan bahwa penerapan metodologi Prototype berdampak positif terhadap efisiensi dan kualitas sistem informasi akuntansi. Sistem yang dikembangkan meningkatkan akurasi dan relevansi laporan keuangan, mengurangi kesalahan pencatatan, dan mempercepat proses pelaporan. Mayoritas responden memberikan umpan balik positif terhadap sistem baru dalam hal akurasi, relevansi, dan kemudahan penggunaan. Kesimpulannya, pengembangan sistem informasi akuntansi berbasis Prototype mampu meningkatkan efisiensi operasional dan memberikan kontribusi positif bagi pertumbuhan bisnis Pangkalan LPG Bendotretek.

The development of information technology has transformed how organizations manage data and business processes, including the crucial role of accounting information systems in generating accurate financial reports. According to BPS (2022), Indonesia's information technology development index continues to rise, reflecting significant technology adoption. At Bendotretek LPG Depot, the manual recording and management of inventory and financial reporting result in inaccuracies and inefficiencies.

This study aims to develop a web-based accounting information system using the Prototype methodology to enhance operational efficiency and the quality of financial reports. This methodology is chosen for its ability to involve active user participation in providing feedback throughout the development process. The stages include needs analysis, user interface prototyping, architecture and component design, and system implementation and testing.

The research findings show that applying the Prototype methodology positively impacts the efficiency and quality of the accounting information system. The developed system improves the accuracy and relevance of financial reports, reduces recording errors, and speeds up the reporting process. Most respondents provided positive feedback on the new system regarding accuracy, relevance, and ease of use. In conclusion, developing an accounting information system based on the Prototype methodology can enhance operational efficiency and contribute positively to the business growth of Pangkalan LPG Bendotretek.