E-Reporting in the EU: Digital Reporting Requirements
E-reporting sends transaction data straight to a tax authority, with no invoice involved. Here is how it works, which European countries require it, and what changes in 2030.
The Quaderno blog
E-invoicing in France: requirements and deadlines for the September 2026 mandate
France's B2B e-invoicing mandate starts on 1 September 2026. Here's who has to receive, who has to issue, what counts as an electronic invoice, and how the approved platforms work.
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.
E-invoicing in Portugal & Digital Reporting Requirements
Portugal e-invoicing & digital reporting rules apply to all B2G businesses and some others. Learn about how electronic invoices work, when it’s required & how to comply.
Merchant of Record: Pros, Cons & When to Use One for SaaS
Is a Merchant of Record (MoR) right for your business? Explore the pros, cons, and best use cases to see if this model fits your ecommerce strategy.
E-invoicing in Spain & Digital Reporting Requirements
Spanish e-invoicing & e-reporting rules apply to all B2B businesses. Learn about how electronic invoices work, when it’s required & how to comply.
How to maximize small business tax deductions for financial growth
Cut costs with smart tax deductions! Learn which expenses small businesses can deduct and how to maximize savings legally and easily.
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!
Finance Automation: How to optimize your financial workflows
Automate financial processes to save time, cut costs, and reduce errors. Streamline reporting and compliance for online businesses, SaaS, and ecommerce.
How does sales tax work on discounted goods?
Learn the complexities of applying sales tax to discounted products. From cash discounts to coupons, navigate the rules with this comprehensive guide.
How to set up automatic billing for your subscription business
Automate billing for your subscription business to cut errors, speed up payments, and scale smoothly. Learn how to streamline recurring invoices.
What Is VIES? VAT Information Exchange System Explained
Learn what the EU’s VIES (VAT Information Exchange System) is, how to validate VAT numbers, and why it’s essential for cross-border trade & compliance.
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.
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?
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!
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.
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.
“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.
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.
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.
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.