How much does the optional employer defence insurance cost? July 06, 2021 21:18 Updated One-time insurance fee: CHF 35.00 per calendar year. Plus a premium of 0.6% of the billed gross salary. Related articles How much does the optional household insurance cost? How much does the optional sick pay insurance cost? How much does the quitt Service cost? What is the cost of compulsory accident insurance? Why do I have to take out KTG insurance if my employee has a BVG-liable salary?