Bing (the name previously given to the Microsoft search engine) accounts for 20.5% of UK searches performed on PCs. There are 478 million monthly searches and 19 million unique users. These figures are published on the Microsoft Advertising website. Data from StatCounter shows that Bing had a 10.55% of search market share in the UK by February 2021 on desktop and 4.91% when including mobile. However, the total number of users increases as you include more device types.