TaxJar - TaxJar simplifies sales tax filing for eCommerce sellers.
Thomson Reuters ONESOURCE - ONESOURCE tax software and solutions synchronize every aspect of your work and link international, country, state and local tax laws.
Vertex O Series - Centralize and streamline indirect tax management across the enterprise.
Taxamo - SaaS solution for the new 2015 EU VAT rules
Taxify - Taxify is a sales tax platform for eCommerce.
Octobat - Octobat provides automated tax-compliance and accounting for digital businesses.