Announcing our $21M Series A led by a16z. Read more.
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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

Avalara Alternatives: Best Tax Compliance Software in 2025

Exploring Avalara alternatives? Compare the best tax compliance software for 2025, including tools for sales tax automation, global VAT, and transparent pricing.

Nick Rudder
20 Feb 2026
Tools

Australia Sales Tax for SaaS Startups: Compliance Guide

Selling software to Australia? Understand your GST (Australia sales tax) obligations. This guide covers who must register, how to charge 10% GST, file with the ATO, and easily stay compliant via automation.

Jennifer Dunn
20 Feb 2026
Regional Guides

AI Tools for Tax Professionals: Automate Smarter, Not Harder

See how AI is streamlining tax compliance in 2025. Discover top tools for automation, risk analysis, and global filings to find the best fit for your tax needs.

Jennifer Dunn
20 Feb 2026
AI
Tools

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
20 Feb 2026
Indirect Tax

Is SaaS Taxable in Colorado? A Simple Breakdown

Is SaaS taxable in Colorado? Learn how state and home rule city taxes work — and how to stay compliant.

Jennifer Dunn
20 Feb 2026
Regional Guides

Is SaaS Taxable in New York? Yes—Here’s Why

New York treats most SaaS subscriptions as taxable software. Learn about NY sales tax law for SaaS, including when to charge tax, how to register & file returns, and ways to stay compliant.

Jennifer Dunn
20 Feb 2026
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
20 Feb 2026
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
20 Feb 2026
Indirect Tax

Sales Tax Audit Triggers & How to Prepare

Facing a sales tax audit? This guide outlines triggers, processes, and tips to stay audit-ready with expert-backed automation and global compliance tools.

Jennifer Dunn
20 Feb 2026
Indirect Tax

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
20 Feb 2026
Indirect Tax

How Much Does Avalara Cost? Full Pricing Breakdown

How much does Avalara cost? See real pricing ranges, transaction fees, add-ons, and how Avalara compares to flat-rate alternatives like Sphere.

Jennifer Dunn
20 Feb 2026
Tools
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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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