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
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

Reverse Charge VAT Explained: What It Is & How It Works

Learn how reverse charge VAT helps shift tax reporting to the buyer, cut down on foreign registrations, and simplify global tax compliance.

Jennifer Dunn
10 Apr 2026
Indirect Tax

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
10 Apr 2026
Tools

Payroll Compliance Checklist for Accurate Payroll

This payroll compliance checklist walks through pre-payroll, payroll processing, and post-payroll steps to help teams stay compliant and audit-ready.

Nathan Collier
10 Apr 2026
Indirect Tax

DAC 7 Directive: What SaaS Platforms Must Know

DAC7 imposes new rules on digital platform operators. This guide breaks down who must report, what to collect, and how the right software can help.

Jennifer Dunn
10 Apr 2026
Indirect Tax

VAT in Canada: How GST, HST, and PST Really Work

Wondering how VAT works in Canada? Learn how GST, HST, PST, and QST apply to SaaS and digital sales, with province-by-province tax rules.

Ken Boyd
10 Apr 2026
Regional Guides

South Africa VAT Rules: Registration & Updates

South Africa VAT rules for SaaS companies: registration, rates, B2B vs B2C, reverse charge, and recent updates. All you need to know.

Jennifer Dunn
10 Apr 2026
Regional Guides

Customs Compliance: The Complete Guide for Global Businesses

Learn customs compliance basics: classification, origin, valuation. Avoid penalties, manage tariffs, and streamline trade with modern solutions.

Jennifer Dunn
10 Apr 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
10 Apr 2026
Indirect Tax

Quote-to-Cash 101: SaaS Billing and Payments

What is quote to cash? Learn how Q2C works from quote to payment. Improve accuracy, cash flow, and sales cycles with automation and AI tools.

Jennifer Dunn
10 Apr 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
10 Apr 2026
Indirect Tax

What Is a Digital Service Tax? (SaaS Guide)

Digital Service Taxes are rising. Learn which services DST applies to, where it’s enforced, and how Sphere helps SaaS teams automate compliance.

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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