TaxJar - TaxJar simplifies sales tax filing for eCommerce sellers.
Avalara - Cut tax compliance costs, not corners. Avalara automates tax compliance and can help improve accuracy while reducing costs.
Quaderno.io - Quaderno for Stripe is the simplest way to bill your customers without programming a single line of code.
ProSeries - Try the #1 professional tax preparation software chosen by more than 62,000 pros. ProSeries helps you make a meaningful difference for clients and file returns fast.
Taxamo - SaaS solution for the new 2015 EU VAT rules
TurboTax Business - TurboTax Business is tax software that is designed for both small businesses and income taxes.