privateFinancial Strength: Backed by Achmea Group (Netherlands)Online Signup
Union Health Insurance Company
Union zdravotna poistovna, a.s.
72Score
★★★☆☆3.8
Customer satisfaction · 400K members
UDZS: Expat-Friendly Insurer (English Support)(2025)
Union is Slovakia's #3 health insurer with approximately 400,000 members and 12.4% market share. Part of Achmea Group (Netherlands), it is the most popular choice among foreigners and expats due to its English-language support. It gained 7,873 new clients in the 2024 switching period.