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Swiss health insurance group consisting of CSS Holding AG and its subsidiaries.

Last updated September 10, 2026

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Nov 4, 2026
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Nov 4, 2026

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Overview

CSS is a Swiss health insurance group. The CSS Group consists of CSS Holding AG and its subsidiaries; CSS Holding AG is not listed on the stock exchange and is subject to Swiss company law, with the CSS Association as its sole shareholder. Its companies offering basic and supplementary insurance include CSS Health Insurance Ltd (mandatory health insurance/basic insurance), CSS Insurance Ltd (supplementary insurance) and CSS Life Insurance Ltd (life insurance). CSS states it can look back on over 125 years of experience and was originally founded as a self-help organisation. The css.ch website is operated by CSS Kranken-Versicherung AG and is aimed exclusively at users resident in Switzerland.

History

CSS states it can look back on over 125 years of experience and was originally founded as a self-help organisation, with its values still based on the principles of solidarity and fairness. Sanagate AG merged with Arcosana AG, the then subsidiary of CSS, as of 1 January 2022. As a provider of basic insurance, INTRAS Kranken-Versicherung AG merged with Arcosana AG as of 1 January 2022. In the supplementary insurance business, INTRAS Versicherung AG merged with CSS Versicherung AG. Arcosana AG merged with CSS Kranken-Versicherung AG as of 1 January 2023.

Products and positioning

Product categories. mandatory health insurance (basic insurance) · supplementary insurance · life insurance

Recent events

  • Reported

    CSS Corp wins ICMI Best Outsourcing Provider 2021[6]

    CSS Corp announced that it had been awarded Best Outsourcing Provider 2021 by the International Customer Management Institute (ICMI).

  • Reported

    CSS Corp announces launch of CSS EDISON platform[7]

    CSS Corp announced the launch of CSS EDISON, a cloud-based intelligent customer experience transformation platform for digitalizing customer experience and technology support ecosystems.

  • Reported

    CSS Corp wins Gold at the 2020 Golden Bridge Awards[8]

    CSS Corp announced that it won the Gold Award at the 12th Annual 2020 Golden Bridge Business and Innovation Awards for driving client ROI through technology and business model innovation. The awards ceremony was scheduled for December.

  • Reported

    CSS Corp and HERE announce location analytics partnership[9]

    CSS Corp announced a partnership with HERE to provide customers with location analytics solutions. CSS Corp said it would use the HERE Platform and products to create and deliver location-based solutions using geospatial data and advanced analytics.

  • Reported

    CSS Corp wins Gold Stevie Award[10]

    CSS Corp won the Gold Stevie Award in the Contact Center & Customer Service Outsourcing Provider of the Year 2020 category; the awards were presented on February 28.

  • Reported

    CSS Corp wins 2020 BIG Innovation Award[11]

    CSS Corp announced that it was named a winner of the 2020 BIG Innovation Awards for its Digital Customer Experience Platform.

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