The Quaderno blog

  1. Illustration of Should Every Online Seller Collect Sales Tax?

    Should Every Online Seller Collect Sales Tax?

    If you sell products online in the US, you need to be concerned about sales tax. Use this Quaderno guide to see if you need to collect and file sales taxes.

  2. Illustration of VAT, WooCommerce and Sales Tax gears

    How to set up Sales Tax/VAT if you are selling on WooCommerce

    Learn here which is the easiest solution to set up Sales Tax and VAT, if you are selling on WooCommerce. Automatic tax calculation and return-ready tax reports.

  3. Illustration of Digital sales in the EU: Which e-commerce platforms comply with VAT?.png

    Digital sales in the EU: Which e-commerce platforms comply with VAT?

    If you’re selling digital goods in the EU yo need to know which e-commerce platforms comply with EU VAT. This is a quick guide to learn it.

  4. Illustration of the Sales Taxes for SaaS Products in the US

    Sales Taxes for SaaS Products in the US

    Running a SaaS in the US? Learn where and when to collect sales tax, and how to stay compliant without slowing down your growth.

  5. Illustration of No taxation without representation: Sales tax agents around the world.png

    No taxation without representation: Sales tax agents around the world

    No taxation without representation. Find out in which countries you need to appoint a sales tax representative for digital goods and services.

  6. Group of stars representing the different U.S. states.

    US Sales Tax on Digital Products: State-by-State Guide

    Sales tax on digital goods by state is tricky. Which states have sales tax? What's taxable? Learn everything here.

  7. Canadian leaf with a percentage

    Tax Information for Canadian Startups: A Complete Guide

    The tax situation for Canadian startups is confusing, especially if you have an online business that sells globally. Find what you need to know about it.

  8. Illustration of Sales receipts for even easier accounting

    Sales receipts for even easier accounting

    Sometimes a full invoice is total overkill, asking a lot of your customers. For times like this, we give you: sales receipts!

  9. What should a SaaS income statement look like

    What should a SaaS income statement look like in 2026?

    Building the financial statements for a SaaS business is unique. Learn how to structure a SaaS income statement for your company.

  10. Illustration of GST in India for its burgeoning digital economy

    GST in India for its burgeoning digital economy

    India’s digital tax laws can be complex for everyday entrepreneurs. Learn how to apply India GST to SaaS & e-commerce products.

  11. Illustration of Qoodle putting out a bonfire with a bucket of water and money

    What is burn rate in SaaS and how to reduce It

    Learn what a burn rate is and how a SaaS business can viably manage it to yield profits. Don’t forget to get your Free SaaS Burn Rate Modeling Spreadsheet.

  12. Illustration of two countries sending out invoices

    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.

  13. Quaderno, TaxJar, Avalara, and Stripe Tax logos — tax compliance software comparison for online businesses

    Quaderno vs TaxJar vs Avalara vs Stripe Tax: Which Wins?

    Comparing TaxJar, Avalara, Stripe Tax, and Quaderno for your online business? We break down features, pricing, and limitations so you can choose with confidence.

  14. Quaderno logo talking about tax reports

    Quaderno Tax Reports: your one-step tax prep

    Quaderno’s instant tax reports show exactly how much sales tax, VAT & GST your business collected and paid, so you can file tax returns in minutes.

  15. Illustration of Quaderno is one of the first to join new Stripe partner program.png

    Quaderno is one of the first to join new Stripe partner program

    Benefit from the combination of Quaderno’s automatic tax compliance with Stripe’s seamless payments platform.

  16. Illustration of Quaderno Connect: Introduction to our tax engine’s APIs

    Quaderno Connect: Introduction to our tax engine’s APIs

    If you need a more technical explanation on how Quaderno Connect works and how it could help you in your business, keep on reading!

  17. Illustration of Quaderno Connect: Add great tax solutions to your platform or marketplace.png

    Quaderno Connect: Add great tax solutions to your platform or marketplace

    Marketplaces and platforms can provide tax management for merchants easier than ever with Quaderno Connect, a seamless API that works in the background.

  18. Illustration of The Quaderno and Square integration takes your store to the next level.png

    The Quaderno and Square integration takes your store to the next level

    Quaderno offers a seamless integration with Square. Now you’ll have an automatic sales tax compliance system built into your business!

  19. Illustration of Qoodle holding two boxes in front of a European store

    OSS or IOSS? EU VAT One-Stop Shop rules for e-commerce

    Selling in the EU? Learn how OSS & IOSS VAT schemes simplify cross-border tax compliance for ecommerce and digital businesses.

  20. Origin-based sales tax to destination-based sales tax

    Origin-based sales tax vs. Destination-based sales tax

    Origin vs. destination based sales taxes are important for online businesses to keep in mind. Here's how the different rules apply across the 50 states!

  21. Illustration representing an ecommerce

    Marketplace tax laws around the world in 2026

    Following the rise of tax laws for e-commerce platforms, we’ve created a comprehensive list of every country and jurisdiction in the world with marketplace tax laws.