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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

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
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 Registration Dubai: FTA Guide for SaaS & Digital Businesses

VAT registration in Dubai explained: thresholds, TRN, EmaraTax steps, input tax, and compliance tips for SaaS and global digital businesses.

Jennifer Dunn
16 Dec 2025
Regional Guides

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 Vertex: Feature-by-Feature Breakdown

Compare TaxJar vs Vertex on automation, pricing, integrations, and support. Discover which sales tax solution best fits your SaaS business.

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

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
16 Dec 2025
Indirect Tax

South Korea VAT Guide for Digital Services

Your guide to South Korea VAT for digital service providers. Step-by-step tips on registration, filing, invoices, and reverse charge rules.

Jennifer Dunn
16 Dec 2025
Regional Guides
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