Scanbot - Scanbot is a mobile app that allows you to use your device's camera as a document scanner. The app is capable of scanning a large number of source materials, and it can handle QR codes as well.
Xero - Xero is online accounting for your small business.
Scanner Pro - Scanner Pro turns your iPhone into portable scanner in your pocket.
Datamolino - Process all invoices without retyping. We turn your invoices into structured electronic documents, that you can import directly into your accounting system.
Genius Scan - On The Go.
DOKKA.com - The Future has Arrived: Accounting Process Automation