blogs

Sphere's Global Compliance Blog

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

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
16 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

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
29 Jan 2026
Tools

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
27 Jan 2026
SaaS

Anrok vs Avalara: Key Differences Explained

Anrok vs Avalara explained for SaaS finance teams. Learn how each platform handles sales tax automation, pricing risk, and international growth.

Jennifer Dunn
17 Jan 2026
Tools

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
17 Jan 2026
Regional Guides

What Is Digital Tax Reporting? Global Rules Explained

Digital tax reporting is becoming mandatory. This guide covers key mandates, timelines, and how to automate compliance with Sphere’s AI-powered platform.

Jennifer Dunn
17 Jan 2026
Indirect Tax

10-Step SOX Compliance Checklist for Tech Companies

Learn how to build a SOX compliance program with internal audits, financial reporting, documentation, automation, and access controls.

Nathan Collier
17 Jan 2026
Indirect Tax

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
17 Jan 2026
Indirect Tax
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