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Welcome to CSS

The Syna – die Gewerkschaft has concluded a framework contract for supplementary health insurance with CSS, thanks to which you and your family get to enjoy attractive discounts on supplementary insurance.

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Health Coach

We advise you personally on questions relating to every aspect of your health.

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Health offers

As your health partner, we have many offers that support you.

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The advantages for you

Good reasons to choose CSS

myCSS client portal

Doing everything digitally means you’ll never lose track.
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Up to CHF 1,200 for you

We promote your health with up to CHF 1,200 per year.
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Health Shop

Make the most of attractive offers and top deals.
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24h medical care

Free advice day and night – anywhere in the world.
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Number 1

More than 1.75 million people trust CSS.
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Personal advice

2,800 employees are here for you and happy to help.
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