The Quaderno blog

  1. Qoodle working on the computer

    10 Financial Tips for Online Creators

    Discover 10 essential financial tips for online creators, from managing taxes and expenses to automating invoicing and building long-term financial security.

  2. Illustration of a group of gears with the dollar symbol

    Finance Automation: How to optimize your financial workflows

    Finance automation is a game changer for online businesses, SaaS & e-commerce. Here’s how to optimize finance processes to save time and reduce error.

  3. Illustration of Qoodle with small robots notifying about some alerts

    How to remind clients to pay: payment reminder messages

    Payment reminder messages, especially when automated with the right tools, can work wonders for your cash flow, productivity, and profitability.

  4. Illustration of a laptop with an awning

    Building Your 2025 Ecommerce Growth Strategy: The Ultimate Guide

    We serve some of the best ecommerce brands on the market, and we’re sharing the 10 most successful strategies that we’ve handpicked to help your business grow too!

  5. 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.

  6. 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.

  7. 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.

  8. 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.

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    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.

  10. 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!

  11. 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.

  12. 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.

  13. 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.

  14. 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.

  15. 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.

  16. 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.

  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. Quaderno handles sales tax

    Quaderno Product Changelog

    Product changelog for Quaderno's tax compliance and billing automation software. Check the updates and improvements released each month!

  19. Qoodle surfing

    What is drop surfing?

    Drop surfing is a vendor analysis tactic for dropshipping e-Commerce businesses. Low-cost suppliers mean higher profit margins. Learn about drop surfing!

  20. Illustration of Qoodle with a pricing table

    How to set up automatic billing for your subscription business

    Automatic invoices and automated billing help subscription businesses grow. Find out what automated billing is, its benefits, and how to set it up successfully.

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    Cash Flow Planning for SaaS Business

    Your liquidity is your business is life-blood. Ensure present and future success through good cash flow planning. Download your free cash flow template.