CSS Krankenkasse Logo

CSS Health Insurer: Company Data and Contact

Compando shows the current FOPH supervisory figures, administrative efficiency and contact of CSS at a glance.

Company data of CSS

FOPH supervisory figures

As of 2025

Number of insured

1,537,730

Reserves in CHF million

744.8

Minimum reserves in CHF million

568.5

Solvency ratio

131 %

Data sources: FOPH supervisory data OKP 2024 (as of 22.5.2025) and KVG solvency test 2025 (as of 23.9.2025, values as of 1.1.2025). Compando assumes no liability for the accuracy of the data.

Administrative efficiency

A health insurer is considered efficient when administrative costs are below 4.2 % of premiums.

Administrative costs

3.8 % of expenses

Source: FOPH supervisory data OKP 2024 (administrative expenses in % of expenditure).

Contact

CSS Kranken-Versicherung AG Tribschenstrasse 21 Postfach 2568 6002 Luzern Tel. 058 277 11 11 www.css.ch

How does CSS compare?

Compando shows the CSS premiums and all Swiss health insurers for your location at a glance.