The 31 richest women in Britain

Britain's richest women derived their wealth mostly through inheritance and marriage.

However, some of the 18 female billionaires and dozens of female multi-millionaires, racked up their riches founding their own companies, according to the Sunday Times' Rich List published in 2016.

But there are very few that can claim to be truly self-made.

Business Insider decided to take a quick look to see who made the top spots.

(All data corresponds to the time the fortunes were calculated, which was April 24, 2016. The next ranking will be out later this year.)