Hello there!
I am a professional accountant. I have read your requirement and have the following solutions for you:
1. Send me the huge folder to my place (India) or scan the invoices and then send it to me.
2. I am an expert in excel ad have accounting background too. I would to present the finest and easiest picture of your expenses for the budgeting.
For any queries, please feel free to ask.
Regards,
Yogesh