ING Office is a free Android application developed by ING Usługi dla Biznesu S.A. It falls under the category of Business & Productivity, with a subcategory of Finance. The application offers three services, including Invoicing, Independent Accounting, and the ING Accounting Office. It allows users to issue and send invoices to contractors from anywhere, and even register clients who do not have an account with ING Bank. Invoicing and Independent Accounting are dedicated to sole proprietorships and companies, while the accounting office at ING provides full HR payroll services and is dedicated to companies that settle accounts with the use of full accounting books.

The application offers several benefits, including convenient login through biometric recognition, easy invoicing, professional documents, a full picture of the company's finances and payment control, immediate sending of invoices, no more rewriting documents, your document database, contractors and products in one place, compliance with the letter of the law, and guaranteed security. Clients of the ING Accounting Office can also submit sales invoices, cost invoices, and HR documents to the ING KsięgowośćOnline application using the ING Office application. The application is compatible with Android 13.0 and is a must-have for businesses looking for an efficient and secure way to manage their finances.