Since our founding, we have earned the brand trust and loyalty of our customers through long-lasting relationships and our commitment to them. Today, we serve a large, diverse and growing global customer base. Our customers include the majority of the Fortune 500, as well as a majority of the top 10 companies by revenue in multiple industries such as retail, technology and manufacturing, in addition to leading marketplaces. We have significant expansion opportunities with these customers driven by our growing product portfolio and geographic coverage.
We believe that the global commerce and compliance environments provide durable and accelerating growth opportunities for our business. We deliver comprehensive tax solutions that automate end-to-end indirect tax processes for enterprises and mid-market companies with complex tax operations. Our software includes tax determination, compliance and reporting, tax data management and document management tools fueled by our powerful and proprietary content database, which includes over 300 million data-driven effective tax rules supporting indirect tax compliance in more than 19,000 jurisdictions worldwide. We believe the total addressable market for solutions that enable global commerce and compliance is robust, global and growing.
(2) Based on information as of December 31, 2020.
Please reference Vertex Inc.'s filings with the Securities Exchange Commission.