Large companies employed 27.3%, medium-sized companies 19.1% and small companies 18.6% of all workers.

The exact number of companies active in 2017 was 142,574, of which 94.7% were micro companies, classified as entities with up to nine employees.

Small companies (with up to 49 employees) represented 4.3%, medium-sized companies (up to 249 employees) 0.8% and large companies (250 of more employees) 0.2% of all companies.

All Slovenian companies generated a total of EUR 96bn in revenue in 2017, of which 34.3% was generated by large companies, which were followed by medium-sized companies (23.2%), micro companies (21.8%) and small companies (20.7%).

Out of the total added value of EUR 23bn, 35.8% was generated by large companies, 23.5% by micro companies, 21.2% by medium-sized companies and 19.5% by small companies.

The largest share of sales revenues was generated by industrial companies (40%), which were also at the top in terms of the generated added value (43%).

The least sales revenues and added value sector-wise was generated by construction companies, 5% and 6%, respectively.

Industrial companies, which include mining and quarrying, manufacturing, electricity, gas, steam and water supply, and waste water and waste management companies, increased sales revenues by 11% compared to 2016.

There were almost 20,000 companies in manufacturing in Slovenia in 2017, with sales revenues increasing the most in the motor vehicle segment (by 29%), and decreasing the most in the production of clothing (by 14%).