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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
26 Nov 2025
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
26 Nov 2025
SaaS

Is There Sales Tax in Dubai? VAT Rules Explained

Curious about sales tax in Dubai? Learn how VAT works, what’s taxed, and how it affects businesses and shoppers in the UAE.

Jennifer Dunn
26 Nov 2025
Regional Guides

Tariff vs Tax vs Import Duties: Impact on SaaS and AI Companies

Understand tariff vs tax and their impact on SaaS and AI companies. Learn how they affect costs, compliance, and how to simplify global growth.

Jennifer Dunn
26 Nov 2025
Indirect Tax

TaxJar vs Avalara: Pros, Cons & Alternatives

Avalara or TaxJar? Explore sales tax automation, integrations, and pricing differences to choose the right compliance solution for your company.

Jennifer Dunn
26 Nov 2025
Tools

Vertex vs Avalara: Which Tax Tool Fits You Best?

Vertex and Avalara are the key legacy players in the sales tax compliance space, but with that legacy comes high prices, technical debt, and outmoded ways of doing business.

Jennifer Dunn
26 Nov 2025
Tools

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
26 Nov 2025
Regional Guides

Is It Illegal Not to Refund Sales Tax? Here’s the Answer

Learn what the law says, when businesses must return sales tax, and what to do if you’re denied a refund.

Jennifer Dunn
26 Nov 2025
Indirect Tax

Global SaaS 101: What Is Transfer Pricing?

What is transfer pricing for SaaS? Learn arm’s length rules, OECD/IRS methods, docs, and risks, plus tools to scale compliance across tax jurisdictions.

Jennifer Dunn
26 Nov 2025
Indirect Tax

Exemption Certificate Management for SaaS

Understand the full process of exemption certificate management and how automation helps SaaS companies simplify tax compliance and stay audit-ready.

Jennifer Dunn
26 Nov 2025
Indirect Tax

Do I Charge Sales Tax to International Customers?

Should you charge sales tax to international customers? Get clear answers on VAT, GST, reverse charge, and how to stay compliant with Sphere.

Jennifer Dunn
26 Nov 2025
Indirect Tax

Form 10F (India): Avoid Double Taxation – Complete Guide

Form 10F India is a tax form for non-residents to claim DTAA benefits and avoid double taxation on Indian income. Learn who needs to file, required documents, filing steps, and consequences of non-compliance.

Jennifer Dunn
26 Nov 2025
Indirect Tax

E-Invoicing Regulations: What to Know

E-invoicing mandates are accelerating worldwide—and U.S.-based SaaS companies can’t afford to ignore them. Learn key compliance requirements, global rollout timelines, and how automation helps you stay ahead of penalties and delays.

Ken Boyd
26 Nov 2025
Regional Guides
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