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

Sales Tax Compliance for SaaS: What You Need to Know

SaaS companies face complex sales tax rules. This guide covers nexus, state SaaS taxability, international VAT/GST, and how Sphere automates compliance.

Jennifer Dunn
20 Feb 2026
Tools

Multi-Entity Accounting Software: 6 Best Tools

Learn which accounting platforms make multi-entity management easier. Compare Rillet, NetSuite, and others—plus how Sphere handles global tax.

Jennifer Dunn
20 Feb 2026
Tools

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
03 Jan 2026
Indirect Tax

Top 8 Leading Sales Tax Compliance Software in the US

Leading US sales tax compliance tools compared. Discover which software fits your SaaS or e-commerce needs, from automation to remittance.

Jennifer Dunn
03 Jan 2026
Tools

Best AI Accounting Software to Save Time and Stay Audit-Ready

Cut manual work with the best AI accounting software. Learn how CFOs automate bookkeeping and tax compliance to save time and improve accuracy.

Jennifer Dunn
16 Dec 2025
Tools

Top 8 Financial Reporting Tools for Modern CFOs

Upgrade your financial reporting with AI-driven tools leveraging automation, real-time dashboards, and integrated tax compliance, boosting accuracy and speed.

Jennifer Dunn
16 Dec 2025
Tools

What Is Import Tax & How Is It Calculated?

What is import tax? Learn how tariffs and customs duties affect goods, costs, and compliance. A must-read for SaaS, tech, and global businesses.

Jennifer Dunn
16 Dec 2025
Indirect Tax

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
16 Dec 2025
Indirect Tax

Top Customs Compliance Software for Global Companies

Learn how customs compliance software streamlines cross-border workflows, from automated declarations to tariff management, avoiding costly errors.

Jennifer Dunn
16 Dec 2025
Tools

Top 7 International Tax Compliance Software Platforms

Stay compliant across multiple jurisdictions with international tax compliance software that streamlines indirect tax, e-invoicing, and global reporting.

Jennifer Dunn
16 Dec 2025
Tools

TaxJar vs Avalara: Pros, Cons & Alternatives

Avalara or TaxJar? Explore sales tax automation, integrations, and pricing differences to choose the right compliance solution for your company.

Jennifer Dunn
16 Dec 2025
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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