Blog series

US Tax Series

Helping entrepreneurs understand US taxation, bookkeeping, compliance and financial management — from estimated taxes and entity choice to staying compliant as you grow.

US taxation & compliance 5 Articles
01
US Taxes·8 min read

Understanding Income Tax Nexus Rules for Multi-state Businesses in USA

Learn what income tax nexus means, what activities create nexus, how economic nexus works, and how Public Law 86-272 affects multistate businesses. A simple guide for business owners.

02
US Taxes·Compliance·6 min read

Federal vs. State Taxes in the U.S.: What's the Difference?

"If you're starting a business in the United States, you'll quickly hear two terms—federal taxes and state taxes. While both involve paying taxes to the government, they are collected by different authorities, follow different rules, and fund different public services.

03
Business Registration·US Taxes·Finance·5 min read

What Taxes Do Small Businesses Pay in the U.S.? A Beginner's Guide

Learn the different types of taxes that may apply to U.S. small businesses, including income tax, payroll tax, self-employment tax, sales tax, and excise tax. A simple guide for new business owners.

04
Business Registration·US Taxes·Finance·9 min read

What Is an EIN? A Complete Guide for First-Time Business Owners (2026)

Learn what an Employer Identification Number (EIN) is, who needs one, how to get an EIN, common mistakes to avoid, and why it's one of the first steps to building a successful US business.

05
US Taxes·Startup Finance·Finance·7 min read

LLC vs S Corporation vs C Corporation: Which Is Best for Your Business? (2026 Guide)

Confused between an LLC, S Corporation and C Corporation? Learn the tax differences, liability protection, ownership rules, and how to choose the best business structure for your small business.

More articles in this series are on the way — check back soon.