 SEATTLE--BUSINESS WIRE--Avalara, Inc. NYSE: AVLR, a leading provider of tax compliance automation for businesses of all sizes, today announced financial results for its fourth quarter and fiscal year ended December 31, 2020. In the fourth quarter, year-over-year revenue growth was 35 and year-over-year calculated billings growth was 38, capping off an outstanding finish to our fiscal year 2020. For the full year, we delivered half a billion in revenue, up 31 year-over-year as well as re 