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The Quaderno blog

  1. Qoodle throwing darts at a dartboard

    16 Best SaaS Marketing Strategies for Success in 2026

    The SaaS landscape is always changing. Here are the best SaaS marketing strategies for this year, explained with pros, cons and how-to instructions.

  2. Illustration of How Will Brexit Affect My Digital Business?

    How Will Brexit Affect My Digital Business?

    The recent Brexit vote in the UK raises many questions for the future of businesses. How will it impact your digital business?

  3. Illustration of Qoodle relaxing

    Which US States Hold "Sales Tax Holidays" and When Do They Hold Them?

    If you are a consumer in one of the states listed in this blog post, buying during a sales tax holiday can help you save money!

  4. Illustration of New Zealand with a big percentage symbol

    When to Charge New Zealand's GST on Digital Products

    New Zealand’s digital tax rate is 15% GST, but not all foreign businesses must charge GST, and not every time. It all depends on a certain sales threshold.

  5. Illustration of a book that is a calculator

    What’s my accountant talking about? Accounting jargon explained

    Lost in accounting jargon? This guide explains common terms in plain language so you can understand your accountant and stay in control.

  6. Illustration of “What the Finance?” with Martin Raißle of ChartMogul

    “What the Finance?” with Martin Raißle of ChartMogul

    Finance, accounting, and tax best practices from the personal experience of CFOs and finance directors from e-Commerce and, SaaS businesses around the world.

  7. Illustration of a worldmap with different jurisdictions marked

    What is a tax jurisdiction?

    Understand tax jurisdictions and why they matter. Learn how they impact sales tax, GST, and VAT collection, reporting, and compliance across regions.

  8. Illustration of a radar scanning the world for GST countries.

    What Is GST? Definition, Rates & Countries That Have It

    If you’re a remote seller, you may be asking what GST is and which countries have it. Here we explain the tax rates & thresholds for all GST countries.

  9. Illustration of USA with an EIN number

    What is an EIN and how do you get one?

    Read about what an EIN (Employer Identification Number) is and how to get one in this easy-to-follow guide.

  10. Illustration of the different elements of a supply chain

    What is a zero-rated supply?

    Confused by zero-rated supplies? Learn what they are, how they differ from exemptions, and what they mean for your tax reporting.

  11. 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.

  12. Illustration of coins at different heights

    What is a VAT registration threshold?

    Learn what tax registration thresholds are, how they apply worldwide, and when your business must register to stay tax compliant.

  13. illustration of a stamp

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

    Discover what a tax exemption certificate is, who qualifies, and how businesses can issue and manage them for tax compliance.

  14. Illustration of What is a Sales Tax (And Which States Have One)?

    What is a Sales Tax (And Which States Have One)?

    New to sales tax? Learn what sales tax is, how it works in different states, and what your online business must do to stay compliant.

  15. Illustration of a balance

    What Happens if You Don't Collect Sales Tax

    Ignoring sales tax can cost you big. Learn the risks of not collecting sales tax, including penalties, audits, and how to avoid them.

  16. Illustration of a US e-commerce on a laptop with a notification

    What are notice and report laws in the US?

    Notice & report laws require remote sellers to track use tax in some states. If you’re selling in the US, learn how to comply with notice and report rules!

  17. Illustration of Qoodle carrying the European flag with the text VAT

    How to get a VAT number in Europe

    Do you need a VAT ID number in Europe? Learn how to register, when it’s required, and how to stay compliant while selling across the EU.

  18. Illustration of Qoodle pushing a trolley

    How to handle sales tax for physical products around the world

    Selling physical goods? Learn how VAT, GST & sales tax apply globally, and discover tools to simplify compliance across multiple countries.

  19. Illustration of Qoodle explaning the differences between sales tax, VAT and GST

    Sales Tax vs VAT vs GST - Your Guide to Consumption Taxes

    What’s the difference between VAT, GST & sales tax? Learn how these taxes work worldwide and what your business must do to comply.

  20. Illustration of a building acting as a piggy bank with coins floating around it

    Use tax vs. Sales tax

    Use tax and sales tax are two different systems in some US states. Learn how use tax works and how you can comply with these rules.

  21. Illustration of How to use Dropbox accounting for your business

    How to use Dropbox accounting for your business

    Is tracking down and backing up your accounting documents a pain? With the combination of Quaderno and Dropbox accounting you’ll never lose an invoice again.