Horrible service

My husband passed away in December. He had a blue bean credit card account. I have sent all the relevant documents to them. Up untill now, the only feedback I got is that they send demand letters. According to my knowledge, it is law that every credit card should have insurance for cases like this. I am not impressed at all. Their deceased emails does not work. If you phone them, you stay on the line for more than an hour. Impossible to get hold of them