Octobat - Octobat provides automated tax-compliance and accounting for digital businesses.
Avalara - Cut tax compliance costs, not corners. Avalara automates tax compliance and can help improve accuracy while reducing costs.
DATEV - DATEV data center offers services, such as data analysis, archiving, backup, printing,and sending reports.
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
TaxJar - TaxJar simplifies sales tax filing for eCommerce sellers.