Do US Companies Have a VAT Number?
Confused about VAT vs. sales tax? Learn why U.S. startups selling in the EU, UK, or Canada need to understand VAT rules, numbers, and registration triggers.
Arizona Sales Tax: TPT Rates, Rules & Compliance Guide
Arizona sales tax guide: TPT rates by city, exemptions, use tax, nexus rules, filing due dates, and compliance steps for businesses selling into Arizona.
E-Invoicing in Poland: A Complete How-To Guide
Prepare for e-invoicing in Poland with a clear KSeF timeline, technical requirements, exemptions, and a smarter way to connect invoices to VAT returns.
Indiana Sales Tax: Rates, Rules & Compliance Guide
Everything SaaS and digital businesses need to know about Indiana sales tax: rates, nexus rules, registration, filing, and remittance via INTIME.
Australia Sales Tax for SaaS Startups: Compliance Guide
Selling software to Australia? Understand your GST (Australia sales tax) obligations. This guide covers who must register, how to charge 10% GST, file with the ATO, and easily stay compliant via automation.
Preparing Your Business for E-Invoicing in Belgium
Belgium will require e-invoicing for B2B transactions by 2026. Learn the rules, timelines, and how to simplify compliance with automation.
Brazil Tax Reform: How It Impacts Global SaaS
Guide to Brazil tax reform for finance teams: understand new dual VAT taxes replacing ICMS, ISS, PIS/COFINS, and how AI compliance tools help adapt to changes.
Merchant of Record: Pros, Cons, Options
Merchant of Record (MoR) explained for SaaS: how it works, benefits, drawbacks, and alternatives like PSPs and Sphere’s tax compliance software.
Turkey Digital Services Tax: Complete Guide
Complete guide to Turkey's Digital Services Tax: 5% rate, thresholds, scope, compliance steps, and how it compares to other European DSTs.
Washington Sales Tax: Rates, Rules & Filing Guide
Understand Washington sales tax: the 6.5% state base rate, combined rates up to 10.25%, B&O tax, SaaS taxability, nexus rules, and 2026 filing deadlines
Maryland Sales Tax: Rates, Exemptions & Filing Guide
Complete guide to Maryland sales tax: 6% base rate, special rates, exemptions, nexus rules, and how to register and file via Maryland Tax Connect.
New Zealand GST Rate for SaaS (2026 Guide)
NZ GST rules explained for SaaS: 15% rate, when to register, filing steps, and how Sphere simplifies global tax compliance with automation.