Avalara - Cut tax compliance costs, not corners. Avalara automates tax compliance and can help improve accuracy while reducing costs.
TaxJar - TaxJar simplifies sales tax filing for eCommerce sellers.
Taxamo - SaaS solution for the new 2015 EU VAT rules
Octobat - Octobat provides automated tax-compliance and accounting for digital businesses.
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.
Thomson Reuters ONESOURCE - ONESOURCE tax software and solutions synchronize every aspect of your work and link international, country, state and local tax laws.