Enhance VAT Accounting Spreadsheet

The current workbook no longer mirrors the way we trade. Two additional business accounts have recently been opened and they must sit alongside the original entities in one file so I can see a clear, consolidated picture and calculate our joint VAT without manual tweaks... (Budget: £20 - £250 GBP, Jobs: Accounting, Data Analysis, Data Entry, Data Management, Excel, Excel Macros, Finance, Financial Analysis)