The Quaderno blog

  1. illustration of a computer using a SaaS solution

    10+ Most Useful SaaS Tools for Businesses in 2025

    Explore useful SaaS tools and unlock the advantages for your online business, from communications to HR, marketing to taxes.

  2. Qoodle shows a diagram of how the Merchant of Record process works.

    Becoming a Merchant of Record marketplace: Why and Why Not

    Discover the pros and cons of becoming a Merchant of Record marketplace, focusing on risks, responsibilities, and alternative strategies.

  3. Illustration of difference of an excise tax from a sales tax

    How is an excise tax different from a sales tax?

    Compare excise tax vs. sales tax to learn the how an excise tax is different from sales tax in the US.

  4. Illustration of all the states in United States

    State-by-State Analysis: Sales Tax Compliance for Multistate Businesses

    Different rules for sales tax by state are hard to navigate when your business sells in multiple places! Learn how to stay tax compliant and save time.

  5. Illustration of Qoodle with a calculator

    Digital Taxes Around The World

    Comprehensive list of tax laws for digital products/services around the world. Learn which countries have VAT, Sales Tax, GST and other digital taxes.

  6. Illustration of Europe with VAT numbers

    What is a VAT number?

    A VAT number identifies your business in Value-added Tax systems, such as EU VAT. Here's how the number works and whether or not you need one.

  7. illustration of a stamp

    What is a tax exemption certificate (and does it expire)?

    Tax exemption certificates are a crucial part of tax compliance. But do tax-exempt certifications expire? Learn about what these certificates are and when you need to renew them.

  8. Illustration of a coin in transfer

    How the Central Electronic System of Payment Information (CESOP) affects online businesses

    The VAT CESOP Directive, or Central Electronic System of Payment Information, helps the EU enforce VAT rules. Here’s how it will affect remote sellers!

  9. Illustration of an invoice

    The Most Common Types of Invoices for Your Business

    Online businesses must keep track of specific digital documents to comply with accounting and tax rules. The most important place to start? Receipts.

  10. Image of Qoodle resting while some bots runs the benefits

    What is Automated Accounting? Benefits and Best Practices

    Learn more about automated accounting, how it can benefit your online business sales, and how to choose an accounting software.

  11. Image of Qoodle jumping with a resale certificate

    What is a resale certificate?

    A resale certificate or reseller’s permit allows your business to make tax-free purchases if you resell the goods. Here’s everything you need to know.

  12. Image of a border between countries and icons related to e-commerce

    Cross-border Ecommerce: How to do it right

    Learn how to execute cross-border ecommerce with tips on growth strategies, market advantages, and solutions for shipping, payments, and tax compliance.

  13. Illustration of qoodle automating the invoice generation

    How to Automate Your Invoices

    Discover how to automate invoices for your business to save time and reduce errors. No more manual invoices or data entry!

  14. Illustration of Qoodle verifying some VAT numbers

    How to check if a company is VAT registered

    Learn how to check if a company is VAT registered in countries around the world by using VAT lookup tools or tax compliance automation software.

  15. Illustration of europe

    The Rise of Digital Reporting Requirements in the EU

    Digital reporting requirements in the EU address the e-commerce boom and VAT gap. Here's what you need to know.

  16. Illustration of How Digitalization Will Completely Transform Taxes.png

    Digitalization of Taxes: How to Improve Business Efficiency and Compliance

    Discover how tax digitalization improves business efficiency, reduces errors, and ensures compliance. Learn actionable steps to modernize your tax processes.

  17. Illustration of How To Price Your Product With Success.jpeg

    How to price your product: A step-by-step guide

    Learn now how to price your product with success according to the experts.

  18. A hook with a credit card

    What Are Chargebacks and How Businesses Can Prevent Them

    Online businesses run an increased risk of chargebacks. Learn how to minimize the effects of a chargeback on your business.

  19. Illustration of The Advantages and Disadvantages of Pricing SaaS Products Inclusive of Taxes.png

    Should You Include Taxes in Your SaaS Pricing? Pros & Cons

    Find out when you should include taxes in the price of your SaaS product and when you should omit them.

  20. Illustration of Do I Really Need To Adjust My Invoicing For Each Country I Do Business In?.png

    Intro to Cross-Border Invoicing and How To Stay Compliant

    Is your business invoicing the right way? We’ve got some tips for making sure you’re compliant.

  21. Illustration of Digital Nomads: Have You Set Your Business Up In Hong Kong?.png

    Hong Kong Tax Guide for Digital Nomads

    Digital business registered in Hong Kong? You need to know about these tax law changes.