There are commercial activities in Finland that are subject to a license. The serving of alcohol, debt collection, and private security companies are all subject to a license. Some commercial activities require registration in a register that is kept by the authorities. Business Finland is a Finnish Government agency that can offer guidance on operating a business in Finland.
To check whether a business is subject to a license please refer to the Suomi.fi portal on permits and obligations. The portal includes information on activities and professions that require a separate license, notification, or registration.