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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
10 Apr 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
10 Apr 2026
SaaS

Sales Tax Software for SaaS: How to Choose the Right Platform

Sales tax software for SaaS companies to automate registration, real-time tax calculation, filing, remittance, and global VAT and GST compliance.

Jennifer Dunn
10 Apr 2026
SaaS

How Nexus Tax Software Helps You Stay Sales Tax Compliant

Nexus tax software gives SaaS companies real-time visibility into sales tax nexus, tax liability, and registration requirements across states.

Jennifer Dunn
10 Apr 2026
Tools

CESOP Reporting: PSP & SaaS VAT Compliance Guide

Learn how CESOP reporting impacts PSPs and SaaS CFOs in 2024. Understand EU cross-border payment rules, XML formats, and VAT fraud compliance.

Jennifer Dunn
10 Apr 2026
Indirect Tax

Does Japan Have Sales Tax? How to Simplify Your Japan Tax Obligations

Learn all about Japan’s sales tax system—JCT. Understand rates, what’s taxed, and how it compares to sales tax in other countries.

Jennifer Dunn
10 Apr 2026
Regional Guides

Expanding Globally: How to Get a VAT Number

Expanding internationally? Learn how to get a VAT number for your SaaS or digital product business. Our expert guide covers VAT registration steps, key concepts like OSS and reverse charge, and how Sphere simplifies global VAT compliance.

Jennifer Dunn
10 Apr 2026
Regional Guides

Global Expansion Benefits & How to Stay Compliant

Global expansion gives SaaS companies a larger customer base and revenue streams. Learn how to capitalize on these benefits and manage global tax compliance.

Jennifer Dunn
10 Apr 2026
SaaS

Indonesia VAT Rates and Registration Explained

A practical guide to Indonesia VAT for digital companies, covering VAT rates, exemptions, registration schemes, and compliance risks.

Jennifer Dunn
10 Apr 2026
Regional Guides

Mexico IVA Guide: Rates, Exemptions, Filing

Selling digital services in Mexico? Understand IVA tax registration, invoicing, refunds, and how to stay compliant and grow into LATAM without admin overload.

Jennifer Dunn
10 Apr 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
10 Apr 2026
SaaS

Singapore GST Rules for Digital Businesses

Learn how to register, file, and stay compliant with Singapore GST. Designed for SaaS companies selling into Singapore.

Jennifer Dunn
10 Apr 2026
Regional Guides

VAT Refund: Step-by-Step Guide for US Businesses

Explore the VAT refund process for B2B companies in the USA. Get tips on eligibility, documentation, and automation with Sphere’s tax compliance platform.

Jennifer Dunn
10 Apr 2026
Indirect Tax
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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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