Freelancers › Belgium
Freelancing in Belgium: forms and documents you need
Official starting points in Belgium for registering, paying tax and issuing invoices — and fillable freelancer templates that work in any country.
Official sources in Belgium
FormSphere does not resell official forms. These links go to the authority's own site, where the current version is published. Checked 2026-10-17.
- FPS Economy: starting a businessEnterprise number and registration
- FPS FinanceTax and VAT
Good to know in Belgium
- Independents need an enterprise number via an enterprise counter and affiliation with a social insurance fund.
Six-step starter checklist
- 1. Choose how you will workDecide whether you work as a sole trader / self-employed person or through a company in Belgium. The official links above explain the options and what each requires.
- 2. Register your activityRegister with the business or trade register and the tax authority in Belgium if required. Do this before you send your first invoice.
- 3. Check tax and VAT / sales taxFind out when you must register for VAT or sales tax, how often you report income, and which social contributions apply to freelancers in Belgium.
- 4. Agree the work in writingUse a services agreement and, where the client shares sensitive material, an NDA. Fill in the governing law that applies to your deal.
- 5. Invoice correctlyCheck the mandatory content of an invoice in Belgium (numbering, tax IDs, VAT wording) and keep copies for the legally required period.
- 6. Track income, expenses and timeA simple timesheet and monthly income and expense tracker make tax time and client disputes much easier.
Freelancer Kit documents to start with
Original, country-neutral templates. Set the governing law to Belgium (or the client's country) and add your tax details.
Questions
Do I need a written contract as a freelancer in Belgium?
A written agreement is widely used because it records scope, price, deadlines and who owns the work. Whether specific clauses are required depends on the law in Belgium and on your client, so check the rules that apply to you.
Are the FormSphere templates legal advice?
No. They are general-purpose, country-neutral templates. You choose the governing law, currency and tax wording. For anything important, ask a qualified adviser in your country.
Does FormSphere sell official government forms?
No. For official registration and tax forms in Belgium this guide links to the authority's own site, where the current version is published.
Can I fill the documents in without printing?
Yes. The Freelancer Kit documents are fillable AcroForm PDFs that work in a normal PDF reader.
Other country guides
This guide is a starting point, not legal or tax advice. Rules change; check the authority's current page before acting.