Avalara - Cut tax compliance costs, not corners. Avalara automates tax compliance and can help improve accuracy while reducing costs.
Stripe Atlas Taxes - Help file your business taxes
Taxamo - SaaS solution for the new 2015 EU VAT rules
Taxfyle - Stop doing your taxes, leave it to the professionals.
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.
neo.tax - automated R&D tax credits for startups = extra month of burn