Yep, theres no council pest control here either. When there was, it was free if you were council tenants or on certain means tested benefits, and cheap if you were not, compared to private companies.
The whole 'theres no financial benefit in actually killing all the pests' myth has been going around since time began.
The truth is, most of the pests we call out pest control to get rid of, have always lived in close proximity to us, and it is not possible to 100% eradicate some of them from our buildings/homes/properties.
This is why places like food factories, hospitals etc, have ongoing pest control contracts to manage pests pro-actively, to keep numbers at an acceptable level.
It is expected that home owners do most of the things (keep homes clean and tidy, don't leave food sources around, don't provide shelter) on a small scale, that pest control contracts would do for such places on a larger scale - so then the home owner only has to call out pest control if theres a surge in numbers for some reason.