Amazon Pay - Amazon Pay is an online payment service that makes checkout on your site fast and secure for hundreds of millions of Amazon customers around the world.
TaxJar - TaxJar simplifies sales tax filing for eCommerce sellers.
PayPal - PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller
Thomson Reuters ONESOURCE - ONESOURCE tax software and solutions synchronize every aspect of your work and link international, country, state and local tax laws.
GoCardless - UK's leading online direct debit provider
Vertex Cloud - Vertex Cloud offers sales and use tax automation solutions.