A sole trader (IK) is a natural person entered in the Commercial Register.

A natural person is obliged to register in the Commercial Register as a sole trader if he or she meets at least one of the following criteria:

• the annual turnover from economic activity exceeds EUR 284,600;
• the economic activity carried out corresponds to the activity of a commercial agent (Section 45 of the Commercial Law) or a broker;
• the annual turnover from economic activity exceeds EUR 28,500 and, at the same time, more than five employees are employed in carrying out the economic activity.

A natural person may also apply for registration in the Commercial Register even if he or she does not meet the above‑mentioned criteria.