One-Off Freelance Project in the Netherlands: Must You Register with KVK?

Do you need to register with KVK for a one-off freelance project in the Netherlands?

Usually not. A truly one-off freelance project often does not require KVK registration, because KVK expects business activity to be regular, independent, and done for a commercial fee. But a large one-off activity can still require registration, and a project that quickly becomes repeat work, client acquisition, or ongoing trading can cross the line into a business.

Browse the [Knowledge Hub](/knowledge-hub) for more freelancer accounting guides. For KVK, the key question is not nationality but whether the activity looks like a real business. KVK says registration generally fits people who independently sell services or goods, charge a commercial price, and do so regularly for parties beyond family or friends. A single invoice does not automatically create a business, but repeated work often does.

KVK also uses extra signals when the answer is not obvious: time and money invested, regular work, multiple clients, and freedom to organise the work yourself. That means an expat doing a single short project may stay outside KVK, while an expat who starts marketing services, buying tools, and lining up multiple clients will usually need to register.

• One client, one short assignment, no repeat plan: often no KVK registration.
• Repeat assignments over several months: registration risk rises quickly.
• Own pricing, own schedule, and own marketing: stronger business signal.
• Investment in software, ads, or equipment: stronger business signal.
• Multiple clients or active client outreach: stronger business signal.

How is income taxed if you do not register with KVK?

If you do not qualify as an entrepreneur for income tax, the payment is often taxed as income from other work (inkomsten uit overig werk). Belastingdienst explicitly includes one-off activities in that category. You must still report the income in your tax return, and some directly related costs can still be deducted, but entrepreneur tax facilities do not apply.

For income tax, Belastingdienst looks at profit expectation, independence, capital, time spent, client base, visibility in the market, and entrepreneurial risk. If those factors are too weak, the activity is not treated as business profit. Instead, a one-off lecture, one-off consulting task, or other isolated paid activity can fall under income from other work.

In 2026, the practical difference is material. You do not get entrepreneur facilities such as the zelfstandigenaftrek of EUR 1,200 or the startersaftrek of EUR 2,123. You still calculate profit by subtracting allowable costs from income, but the tax treatment is narrower and the main entrepreneur deductions are unavailable.

Can you still have VAT obligations without KVK registration?

Yes. Belastingdienst says a person can be an entrepreneur for VAT even when that person is not an entrepreneur for income tax. That means a one-off or limited freelance activity may still create VAT obligations. The practical result depends mainly on whether VAT applies to the service and whether your annual turnover stays at EUR 2,200 or below, or reaches the KOR ceiling of EUR 20,000.

If you are not required to register with KVK and your annual turnover is at most EUR 2,200, the small-business registration threshold can apply. In that case you do not have to register as a VAT entrepreneur, you do not charge VAT, and you do not file VAT returns. Once turnover goes above EUR 2,200, you may need to register with Belastingdienst even without KVK registration.

If you are a VAT entrepreneur with Dutch turnover up to EUR 20,000 per calendar year, the small businesses scheme (KOR) may remove the need to charge VAT and file regular VAT returns. But KOR also blocks input VAT recovery on costs and investments. For a one-off project with meaningful setup costs, that trade-off needs checking before you opt in.

When should you register even if the work starts with just 1 project?

You should register once the facts show a real business rather than an isolated side activity. The strongest signals are regular work, investment of time or money, active search for multiple clients, and freedom to decide how the work is done. A long assignment for only 1 client can also create a separate employment-status risk instead of supporting a freelance position.

KVK specifically warns that regular work matters more than the label on the contract. KVK also notes that large one-off activities can still need registration. Belastingdienst adds that the total facts and circumstances determine whether work is employment, business, or something else. That is why the safest approach is to reassess quickly after the first paid project instead of waiting until year-end.

Single-client work needs extra care. KVK says that working for 1 client over a longer period makes salaried employment more likely, and Belastingdienst says opdrachtgever and opdrachtnemer must assess all facts together. The longer the project, the more control the client has, and the less commercial risk you bear, the weaker the freelance position becomes.

• Register when you start doing work regularly instead of once.
• Register when you begin marketing to the public or pitching new clients.
• Register when you invest meaningfully in tools, ads, insurance, or a website.
• Recheck status when 1 client becomes your only client for a long period.
• Recheck status when the client controls hours, place, method, or supervision.

What costs and deadlines matter in 2026 if you do register?

In 2026, a KVK registration costs EUR 85.15. After registration, KVK forwards your details to Belastingdienst, so you do not register separately for normal Dutch tax startup cases. If VAT returns apply, quarterly 2026 deadlines are 30 April, 31 July, 31 October, and 31 January 2027. Missing the practical setup window can create avoidable compliance stress for a very small project.

The first planning decision is whether a very small assignment is worth the fixed setup burden. Registration costs EUR 85.15 once, and VAT administration may follow unless an exemption, the EUR 2,200 registration threshold, or the KOR applies. For many expats, the real cost is not only the fee but also the time needed to set up invoicing, administration, and record keeping from day 1.

If you do register, the compliance calendar starts quickly. For quarterly filers, the 2026 due dates are 30 April, 31 July, 31 October, and 31 January 2027. For one-project freelancers, the practical burden is therefore not just the registration fee but the recurring need to monitor filing periods, payment dates, and supporting records.

Does the answer change for expats and non-Dutch nationals?

The KVK and tax analysis is mainly about the activity, not your passport. EU, EEA, and Swiss nationals can work in the Netherlands as self-employed persons without a visa, residence permit, or work permit, using a valid passport or ID. Non-European entrepreneurs can work only under conditions and usually need the residence route for self-employed work or a 1-year start-up permit.

For expats, the practical question has 2 layers. First, ask whether the assignment is a business, other income, or possible employment under Dutch tax and labour rules. Second, ask whether your residence status allows self-employed work at all. Those are separate tests. A non-EU expat can be fully taxable on Dutch income and still need the correct residence permission before starting the project.

Once the immigration point is cleared, the same business tests apply as for Dutch nationals: regularity, independence, profit motive, entrepreneurial risk, and VAT position. For the tax side after registration, see the guide on [VAT returns in the Netherlands](/knowledge-hub/vat-returns-netherlands-expat-freelancer-guide) and the checklist on [deductible business expenses for freelancers](/knowledge-hub/deductible-expenses-freelancers-netherlands).