A computerized system and method for facilitating proposed factoring transactions between a funding source and a client in which the funding source advances funds to the client based on accounts receivable to the client by one or more customers on one or more invoices includes a computer program that receives instructions from a client to submit one or more invoices to a funding source for an advance of funds on accounts receivable on the chosen invoices and that provides access to invoice data to a funding source for determining whether the funding source will advance funds on the chosen invoices.