Bill.com

Leading cloud-based financial operations platform for SMBs, with strong market share in accounts payable/receivable automation and B2B payments in the United States.

Bill.com (NYSE: BILL) is a leading cloud-based financial operations platform designed primarily for small and mid-sized businesses. Founded in 2006 and headquartered in San Jose, California, the company automates accounts payable, accounts receivable, and cash flow management, enabling businesses to streamline financial workflows, manage payments, and gain visibility into their financial operations. The platform integrates with major accounting software such as QuickBooks, Xero, Sage Intacct, and NetSuite. Bill.com went public in December 2019 and has grown significantly through organic expansion and acquisitions. Its most notable acquisitions include Divvy (expense management and corporate cards, acquired 2021 for ~$2.5B) and Invoice2go (invoicing and payments for freelancers/SMBs, acquired 2021 for ~$625M). These acquisitions expanded its platform into broader SMB financial management territory. While Bill.com is not an AdTech company by nature, it appears in the ATDb lineage as an acquirer due to its acquisition of Invoice2go, which had some overlap with SMB marketing and billing tools used in adjacent digital commerce contexts. Its core market position is as a financial automation leader for SMBs, competing with Melio, AvidXchange, and Tipalti in the B2B payments space.