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blogs

Sphere's Global Compliance Blog

Find regional guides, tax developments and thought leadership at the intersection of AI and tax here

Building TRAM | The World’s First Tax Review and Assessment Model

Sphere's AI-native tax research system that interprets global indirect tax rules, builds product taxonomies, and automates taxability and rate determinations.

Alex Bowcut
23 Nov 2025
AI

Sphere Raises $21M Series A Led by Andreessen Horowitz

Sphere secured a $21M Series A led by a16z to build the first AI-native cross-border compliance engine, meeting rising demand for scalable global tax solutions.

Nick Rudder
18 Nov 2025
Announcements

What Is a Tax Exempt Certificate?

What is a tax exempt certificate? Learn how SaaS companies use them, who qualifies, and how to stay compliant across U.S. states and beyond.

Jennifer Dunn
20 Feb 2026
Indirect Tax

What Is a VAT/GST ID? Global Tax Guide for SaaS

Do you need a VAT or GST ID for global SaaS sales? This guide covers registration, verification, and compliance tips every CFO should know.

Jennifer Dunn
20 Feb 2026
SaaS

VAT Registration Dubai: FTA Guide for SaaS & Digital Businesses

VAT registration in Dubai explained: thresholds, TRN, EmaraTax steps, input tax, and compliance tips for SaaS and global digital businesses.

Jennifer Dunn
20 Feb 2026
Regional Guides

TaxJar vs Vertex: Feature-by-Feature Breakdown

Compare TaxJar vs Vertex on automation, pricing, integrations, and support. Discover which sales tax solution best fits your SaaS business.

Jennifer Dunn
20 Feb 2026
Tools

South Korea VAT Guide for Digital Services

Your guide to South Korea VAT for digital service providers. Step-by-step tips on registration, filing, invoices, and reverse charge rules.

Jennifer Dunn
20 Feb 2026
Regional Guides

South Africa VAT Rules: Registration & Updates

South Africa VAT rules for SaaS companies: registration, rates, B2B vs B2C, reverse charge, and recent updates. All you need to know.

Jennifer Dunn
20 Feb 2026
Regional Guides

Saskatchewan Sales Tax (GST & PST): 2025 Compliance Guide

Saskatchewan sales tax explained: 5% GST + 6% PST, SaaS, registration, filing, and how Sphere automates compliance for global software companies.

Jennifer Dunn
20 Feb 2026
Regional Guides

Taiwan Sales Tax: Complete VAT Guide for SaaS

How does Taiwan sales tax apply to U.S. SaaS? We cover the 5% rate, key exemptions, e-invoicing rules, and what automated compliance solutions you can choose.

Jennifer Dunn
20 Feb 2026
Regional Guides

Reverse Charge VAT Explained: What It Is & How It Works

Learn how reverse charge VAT helps shift tax reporting to the buyer, cut down on foreign registrations, and simplify global tax compliance.

Jennifer Dunn
20 Feb 2026
Indirect Tax

Sales Tax in Norway: Your Guide to VAT Compliance

Navigate sales tax in Norway with our expert guide to VAT. Learn about rates, registration (VOEC vs. VAT Register), and compliance for your global business. Simplify your tax obligations.

Jennifer Dunn
20 Feb 2026
Regional Guides

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.

Jennifer Dunn
20 Feb 2026
Regional Guides

New Zealand GST Rate for SaaS (2025 Guide)

NZ GST rules explained for SaaS: 15% rate, when to register, filing steps, and how Sphere simplifies global tax compliance with automation.

Jennifer Dunn
20 Feb 2026
Regional Guides

SaaS Sales Tax by State: What Every Business Must Know

Learn how SaaS sales tax works in the US, where it applies by state, and how to stay compliant with AI-powered automation from Sphere.

Jennifer Dunn
20 Feb 2026
SaaS
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End-to-end compliance automation for sales tax, VAT, and GST. 100+ regions. One platform. Built by 50 people who believe the compliance cost of every transaction should be zero.

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