Avalara is a software company that provides cloud-based tax compliance solutions. The company was founded in 2004 and is headquartered in Seattle, Washington. Avalara's software helps businesses manage sales tax, VAT, and other tax requirements. The company has over 20,000 customers and operates in over 100 countries. Avalara went public in 2018 and is listed on the New York Stock Exchange under the ticker symbol AVLR.