https://www.dailystar.co.uk/news/latest-news/britains-rotten-pub-game-exposed-34737666

"Up and down the UK, landlords say they find themselves at the mercy of huge pub owning companies, a ‘big-six’ of ‘Pubcos’ which own a huge proportion of the nation’s boozers. The Daily Star has been told of multiple scandals surrounding the treatment of the sector by members of this so-called pubco “big six” - made up of Star Pubs and Bars, Stonegate, Marston’s, Greene King, Punch Taverns and Admiral Taverns"