List of biggest selling British acts of all time

This list documents Britain's best-selling music artists alphabetically as well as by record sales. This page lists those artists who have had claims of over 50 million or more records in sales. The list is divided into numerous record-sales brackets within each of which, artists are listed in alphabetical order, rather than by number of records sold. The artists on the list are supported by third-party reliable sources, the sales-figures within which should represent a total number of sold albums, singles, compilation-albums, music videos as well as downloads of singles and full-length albums.

Although the criteria for the following list are intended to be expansive (including comparisons for total-sales for all recording artists) there are certain limitations and constraints that may limit the conclusions that can be derived from these data.

Such constraints include:

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