Finance Expense Analysis, Excel & BI

I need a solid end-to-end analysis of a finance dataset that tracks expenses and costs. I have raw tables sitting in a SQL database and some scattered sheets in MS Excel; they all need to come together as one clean data model... (Budget: ₹12500 - ₹37500 INR, Jobs: Data Analysis, Data Modeling, Data Visualization, Database Administration, Excel, Microsoft Access, Power BI, SQL)