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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
14 Dec 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
06 Dec 2025
SaaS

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
14 Dec 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
06 Dec 2025
SaaS

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

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
14 Dec 2025
Regional Guides

Manitoba Sales Tax (GST & RST): Complete Compliance Guide

Manitoba sales tax explained for SaaS: 5% GST + 7% RST, new 2026 cloud tax, registration, filing, and how Sphere simplifies compliance.

Jennifer Dunn
14 Dec 2025
Regional Guides

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
14 Dec 2025
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
14 Dec 2025
Regional Guides

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.

Jennifer Dunn
14 Dec 2025
Regional Guides

9 Best TaxJar Alternatives for Global Sales Tax Compliance

Frustrated with TaxJar? Compare the 9 top alternatives out there. Explore pricing, features, and find the best choice for your growing business.

Jennifer Dunn
14 Dec 2025
Tools

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
14 Dec 2025
Indirect Tax
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