Reconcile statements and invoices with Claude Cowork

They used Claude Cowork to line up bank transactions with invoices and export the results into Excel.

Done with Claude Coworkยท Intermediate

What they did
They gathered a monthly bank statement and several invoices in one local folder, then gave Claude Cowork a single instruction for the whole job. The agent cleaned up merchant names, sorted spending into categories, found invoice matches for transactions, marked anything without a bill, created a formatted Excel spreadsheet, and proposed uniform names for the invoice files.
How it went
It identified the records correctly, renamed the invoices neatly, and marked every transaction that lacked an invoice. The author said it saves them about an afternoon each month. They only tested a few invoices.
Tips
Try it first on a small, low-risk set of files, since Cowork can access local documents directly. Review the proposed matches and filename changes before using it on a full month.

Try it yourself with Claude Cowork

Please look through [folder path], which contains a bank statement file and invoice documents. Normalize the vendor names, organize each expense into a category, and match the invoices to the corresponding transactions. Create an Excel workbook that includes the matched items, transactions without invoices, and invoices that do not link to any transaction. Before changing any file names, list the new names you want to use and wait for my approval. If anything is ambiguous, ask me before continuing.

Fill in the [brackets]. Agents can make mistakes, so review anything before it is sent, paid or deleted.

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