SmartWerk Blog
Freelance tips for the Netherlands
Practical guides on invoices, contracts, VAT and Dutch freelance admin.
Sham self-employment checklist 2025: how to protect yourself as a freelancer
Since 1 January 2025, the Dutch Tax Authority has been actively enforcing sham self-employment rules. Use this checklist to check whether your assignments are safe.
Read article →Filling in a service agreement: what must be included?
A service agreement (ZZP contract) must meet specific requirements. We walk through every mandatory clause point by point.
Read article →VAT returns as a freelancer: explained step by step
Filing quarterly VAT as a self-employed professional doesn't have to be complicated. This article explains every step in plain language.
Read article →Freelancing as an expat in the Netherlands: everything you need to know
Freelancing in the Netherlands as a foreign national? Here are the steps: KvK registration, BSN, VAT number, 30% ruling and invoicing in your own language.
Read article →Sending invoices as a freelancer: what must be included?
The Netherlands has legal requirements for invoices. Miss one and your invoice is invalid for VAT purposes. Here is the full mandatory checklist.
Read article →KvK registration as a freelancer: explained step by step
Registering with the Chamber of Commerce is the first step to becoming an official freelancer. Costs, documents and what to arrange next.
Read article →Starting as a freelancer in the Netherlands: complete 2026 checklist
Everything you need to start as a freelancer: KvK, BSN, VAT, insurance, rates and your first invoice.
Read article →Is a digital signature valid in the Netherlands?
Yes — a digital signature is valid for freelancer contracts. eIDAS, exceptions and best practices.
Read article →Calculating your freelance rate: how to set your hourly fee
Rate too low? No profit. Too high? No clients. Formula and example for finding the right hourly rate.
Read article →Non-paying clients as a freelancer: action plan and debt collection
One in five invoices is paid late. Reminder, formal notice, debt collection — step by step.
Read article →Model agreement for freelancers: what is it and when should you use it?
What a model agreement is, and why SmartWerk's template is not a Belastingdienst-approved model.
Read article →Hours criterion for freelancers: 1,225 hours and self-employed deduction
At least 1,225 hours per year for the self-employed deduction. What counts, what doesn't, and how to track your hours.
Read article →Self-employed deduction 2026: amount, conditions and tips
The self-employed deduction lowers your taxable profit. How much is it in 2026 and when do you qualify?
Read article →Small business scheme (KOR) for freelancers: no VAT under €20,000 turnover
Below €20,000 turnover you don't need to charge VAT. Benefits, drawbacks and how to apply for the KOR.
Read article →Income tax for freelancers: filing as a self-employed professional
Annual income tax return for freelancers: profit, deductions, SME profit exemption and deadlines.
Read article →SmartWerk vs eFaktura: who should use which? (3 personas)
Not a feature table: when eFaktura fits (field/app), when SmartWerk does (quote→invoice→reminder), and when to switch.
Read article →SmartWerk tools voor ZZP’ers
Facturen, contracten, calculators en vergelijkingen — alles op één plek.