i have just signed up with Helsana as they gave the best rates..here is a list of the major companies

- At INTRAS you will find simply and clearly structured insurance products that satisfy all your major needs and are very attractively priced. You also benefit from numerous free services such as telemedicine, second opinions, emergency assistance, etc. With INTRAS rest assured that your premiums won't skyrocket when you become older. You can rely on our certified top quality services to be both quick and professional

- HELSENA Switzerland's largest health insurer with over 1.6 m customers. Helsana prides itself on reimbursing your claim with the utmost reliability, care and speed. Helsana offers you everything you would expect from the leading provider of health insurance: a comprehensive range of products and excellent services at fair prices. What's more, as our customer, you automatically enjoy free membership in the Helsana Prime Club and can take advantage of the attractive offers at special prices – added value that pays off.

CSS- Insuring 1.2 m people, CSS is one of the leading and most reliable health insurers in Switzerland. We specialise in offering families the cover they need at a price they can afford. CSS also has attractive health promotion and disease prevention offers. As we have some 200 offices in Switzerland, you can enjoy a personal consultation with a CSS advisor. CSS is pleased to offer you a personal consultation with tailored solutions that fit your needs for all the stages of your life

OKK - The ÖKK GROUP gives you discounts on all supplementary insurances, from generous rebates for children and teenagers to simplified acceptance conditions. In addition to special services abroad, you can also take advantage of a wide range of alternative treatments.

Helsena were very helpful, spoke in English too. Good luck, PM me if you need any more info...other advice would be not to have dental care, they wanted to take scans of my teeth! arrrgh even though my dental record in the UK is amazing.