Business

When do you have to register a business in Norway?

When do you have to register a business in Norway?

When do you have to register a business in Norway?

Does every sale or service mean that you must register an ENK (sole proprietorship) or another type of business? Or is what you’re doing still just a hobby? And even if it’s already a business—surely a company registered in Poland is enough to invoice Norwegian clients, right? Not necessarily.

In this article, we explain when activity in Norway is considered a business and when it is not, and when you are legally required to register a company. You’ll also learn when VAT (merverdiavgift) registration becomes mandatory and what applies if you provide services from abroad.

Business activity or hobby?

In Norway, it is very important—when assessing registration requirements—to distinguish between a hobby (including short-term activity, but not only) and actual business activity.

Activity classified as næringsvirksomhet (taxable business activity) must generally:

  • be carried out at your own risk,
  • have a certain scope and structure,
  • and aim to generate profit over time.

The Norwegian Tax Administration (Skatteetaten) typically uses four main criteria:

  1. planned profit (income exceeding expenses),
  2. intended duration and continuity of the activity,
  3. regularity and scale (multiple assignments, several clients),
  4. operating on your own account (you cover costs yourself and are responsible for the results).

If these criteria are not met—for example, if the activity is small-scale, sporadic, and income roughly equals expenses—it may be classified as a hobby (hobbyvirksomhet), and any income may in some cases be tax-exempt. In other words, if your activity has no clear profit motive or is only occasional, you can often carry it out without registering a business.

However, if all or most of these criteria are met, you should consider registering a business. If you’re unsure where the line is in your specific case, the Norwegian Tax Administration can help assess your situation. You can contact them here: click here.

Services from abroad for Norwegian clients

Norway requires foreign businesses—even those operating temporarily—to register in Norwegian business registers. This means that a person from Poland providing services to Norwegian clients in Norway must, in practice, register a business in Norway and obtain a Norwegian organisation number—even if they already have a registered business in Poland.

Foreign companies operating in the Norwegian market—including sole proprietorships—are required to register and obtain a Norwegian identifier. In addition, if the value of a contract for work performed in Norway exceeds 20,000 NOK, the contract and workers must be reported to the Norwegian tax authorities.

You therefore cannot legally carry out ongoing business for Norwegian clients without registering in Norway. In practice, this means that even if you are a freelancer from Poland, you must have a registered business in Norway (for example, ENK) if you perform services in Norway.

In short:

  • Foreign businesses providing services in Norway are required to register in Norway and obtain a Norwegian organisasjonsnummer.
  • Exceeding certain thresholds (e.g. contract value above 20,000 NOK) triggers the obligation to report contracts and workers to Norwegian authorities.

If you effectively work for a single client, the client provides the equipment and controls how the work is carried out, this may be considered an employment relationship. In that case, you should normally be employed rather than operating as an independent business.

You can read more about this here:
"Is it legal to start a business and work for one client in Norway?" – click here.

When must you register a business?

Taking the points above into account, you generally need to register a business in Norway in two main situations:

  1. When your activity stops being a hobby and becomes regular, profitable, and something you plan to continue.
  2. When you operate a business outside Norway but want to carry out activity in Norway as well.

Examples of situations where you must register a business:

  • You earn money regularly from electronics repairs, running courses, nail styling, or selling handmade products on Facebook or Finn.no.
  • You have at least one client to whom you provide services in Norway—the place where the service is performed is crucial here. For example, an IT specialist in Poland does not need to register a business in Norway if the services are provided remotely from Poland to a Norwegian client.
  • You provide services as a photographer, designer, construction worker, cleaner, or translator—and it’s not a one-off favour for a friend, but an ongoing activity.
  • Your annual income starts to exceed your expenses—meaning you are generating a real profit.

In such cases, your activity meets the criteria for business activity, and registering an ENK or an AS/NUF becomes mandatory. On the other hand, if you do something only occasionally, without profit, and only for friends, it may still be considered hobbyvirksomhet, which usually does not require business registration.

If you are from abroad (e.g. Poland) and provide services to Norwegian clients on Norwegian territory, you must also register a business in Norway. Having a registered company in your home country is not sufficient—you need a Norwegian organisation number and registration in the Norwegian business registers. This applies even to temporary or “trial” activities.

Not sure how to get started with registration?

We offer comprehensive services so you don’t have to worry about the details—welcome to contact us:

VAT registration (merverdiavgift)

A separate obligation is registration for Norwegian VAT (merverdiavgift, MVA). If, over any 12-month period, the turnover from VAT-liable goods and services exceeds 50,000 NOK, the business must register in the VAT Register (Merverdiavgiftsregisteret). Once you pass this threshold, you are required to submit an application for VAT registration.

Important: Until you are formally registered, you are not allowed to add VAT to your invoices. The 50,000 NOK threshold applies only to VAT obligations—it does not determine whether the activity is classified as business or hobby (and hobbyvirksomhet is generally not required to register for VAT even if income exceeds 50,000 NOK).

  • The obligation to register for VAT arises when turnover from taxable sales exceeds 50,000 NOK (net) over the past 12 months.
  • You cannot charge VAT until the business is officially VAT-registered.
  • Once registered, you must include “MVA” after the organisation number on invoices. The threshold allows you to plan the application in advance.

If you need help with VAT registration, you’re welcome—click here!

Summary

You must register an ENK (or another form, such as an AS) when your activity becomes genuine business activity—regular, income-generating, and aimed at making a profit—or when you want to move or expand your business into Norway from another country (there is also an alternative in the form of a foreign branch—NUF—which you can read about here: click here).

A hobby can be carried out on a small scale without a business, but even a small operation run professionally in Norway generally must be registered and comply with tax requirements (including VAT registration once turnover exceeds 50,000 NOK).

Likewise, when moving your business from another country to Norway, you cannot simply invoice Norwegian clients from a foreign company—you need a Norwegian organisation number, which in practice means registering in Norway (either as a Norwegian business or as a branch).

Do you have questions about registering or running a business in Norway? Contact us at:
+47 21 38 38 21.
We’re available Monday to Friday, 9:00 AM–9:00 PM, and we’ll be happy to help!

Article author: Marcin – marcin@efirma.no

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