Not any more, the majority are owned by the brewery groups and leased to the landlords.
If you see an independent pub in the UK it will be labelled as a 'Free House' that means it is independent of a brewery and can sell any beers it likes.
Even pubs that are free of tie don't necessarily own the land/building, they'll lease it from a property company (usually one specialising the hospitality).
If you see an independent pub in the UK it will be labelled as a 'Free House' that means it is independent of a brewery and can sell any beers it likes.