UNIZO is an interprofessional employers' organisation. Its members include one-man businesses to growth-oriented SMEs, active in trade, distribution, industry or manufacturing, in the service sector or liberal professions.

With more than 70 cooperating professional sectoral organisations and 80,000 members, UNIZO is the largest organisation for the self-employed and SMEs in Flanders and the Brussels region. UNIZO defends the interests, concerns and social significance of independent enterprise on all levels.