Agile, successful companies focus on their core business and outsource complex, administrative functions – such as payroll and sales tax management – to the experts. Avalara can address your sales tax challenges with AvaTax. It’s the fastest, easiest, most accurate and affordable way to calculate sales tax; manage exemption certificates; file returns; and remit payments across multiple tax regions. Our tax decision engine determines rates based on 100,000+ taxability rules in 11,000+ taxing jurisdictions and instantly applies them to each transaction within your Magento shopping cart.

Please see the full extension documentation here for additional information and guidance with setup.