Invoice Assistant is an effective invoicing program. The most important functions of the application include the ability to create database security copies, display information about current exchange rates online, a calendar, the ability to run multiple companies or the handling of a correspondence book. Additional advantages of the Invoice Assistant is the ability to add a separate numbering for companies, verify the correctness and location of:

NIP, bank account numbers, REGON postcodes, VAT invoice issuance, pro-forma invoice (possibility of sending by e-mail, corrective invoice, purchase invoice, bills, receipts, KP, KW, RR, Margin, Export, Internal, MP. The program quickly searches for documents or contact details. Invoice assistant The invoice is addressed to small businesses or people running a business.