Sole Proprietorship (Enkeltpersonforetak)
Simple in terms of accounting.
Can freely withdraw funds from the business account.
Income tax advances paid 4 times a year.
No minimum capital required to start.
The owner is liable with their personal assets.
Joint Stock Company (Aksjeselskap)
Accounting is more challenging and requires specialist knowledge.
All bank transactions must be appropriately documented, and free withdrawals of money are not allowed.
Income tax advances paid twice a year.
A minimum share capital of 30,000 NOK is required.
The owner is not liable with their personal assets; only the company is, up to the value of its capital.
Foreign Company Branch (NUF Norskregistrert utenlandsk foretak)
Less popular but often chosen by companies that are already operating, e.g., in Poland.
No personal number is required for establishment.