Avalara - Cut tax compliance costs, not corners. Avalara automates tax compliance and can help improve accuracy while reducing costs.

Braintree - An all-in-one solution to accept, process, and split payments in your mobile app or online - from small business to large enterprise.

TaxJar - TaxJar simplifies sales tax filing for eCommerce sellers.

Corefy - Payment Orchestration Platform — Integrating payment providers and acquirers globally to bring a unified communication, control, and management interface.

Thomson Reuters ONESOURCE - ONESOURCE tax software and solutions synchronize every aspect of your work and link international, country, state and local tax laws.

Sage Payment Solutions - Sage offers anytime, anywhere payment processing.