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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
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

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
16 Dec 2025
AI
Tools

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
16 Dec 2025
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
16 Dec 2025
Regional Guides

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
13 Dec 2025
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
12 Dec 2025
Regional Guides

Top Payroll Tax Compliance Software Tools

Automate payrotoolsll tax filings and stay compliant globally. Compare top payroll tax software and learn how Sphere helps SaaS CFOs reduce audit risk.

Jennifer Dunn
02 Dec 2025
SaaS

How is VAT Calculated? Step-by-Step Guide

Learn how VAT is calculated step by step: formulas, examples, and how to account for input/output VAT. Perfect for SaaS teams and global sellers.

Jennifer Dunn
26 Nov 2025
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
26 Nov 2025
Indirect Tax

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
23 Nov 2025
Indirect Tax
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