أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
The best approach for storing financial data is unavoidably the tabular storage or simply database oriented storage, one of the biggest problems companies run into is to rely on flat file reports making data hard or even impossible to analyze. The idea is to store data in a separate database, then use the data in customized reports of any kinds.
You can try linking a database to a python software - I saw various analysts use that for financial statements.