Avalara - Cut tax compliance costs, not corners. Avalara automates tax compliance and can help improve accuracy while reducing costs.
TaxSlayer.com - Tax preparation software and proud sponsor of Dale Earnhardt, Jr.
Taxamo - SaaS solution for the new 2015 EU VAT rules
GoSystem Tax RS - GoSystem Tax RS has unmatched web-based tax processing power, is scalable to needs, and is available in a secure online environment.
ComplyCube - Verify your customers in under 15 seconds anywhere in the world with a cutting-edge SaaS & API platform for Identity Verification and AML/KYC compliance.
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.