Maybe this is mostly in Northern Europe. There's certainly companies providing cleaning services, but you may find thats it's essentially impossible to find locals who will clean and cook for you every night. The alternative is then an au pair, but they're allowed to do only limited housework and some people have even gone to jail for having multiple au pairs working as maids, tough technically for breaking immigration laws by having multiple au pairs, it's judged harshly because a lot of people believe the concept of maids is nothing but oppression of poor women.