A system and computer-implemented method for automating data warehousing processes is provided. The system comprises a code generator configured to generate codes for Extract, Transform and Load (ETL) tools, wherein the codes facilitate the ETL tools in extracting, transforming and loading data read from data sources. The system further comprises a code reviewer configured to review and analyze the generated codes. Furthermore, the system comprises a data migration module configured to facilitate migrating the data read from the data sources to one or more data warehouses. Also, the system comprises a data generator configured to mask the data read from the data sources to generate processed data. In addition, the system comprises a Data Warehouse Quality Assurance module configured to facilitate testing the read and the processed data. The system further comprises a reporting module configured to provide status reports on the data warehousing processes.