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Shell-Mex Ltd, retailer of petrol and oil products, of Kingsway, London
1921 The existing organisation for sale of petrol in the UK previously represented by the Shell Marketing Company Ltd and Anglo-Mexican Petroleum Co Ltd were combined from 1 January 1921 as Shell-Mex Ltd
1931 Formation of Shell-Mex and B. P., a joint marketing company  to market and sell the petrol and oil products of Shell and BP in UK. Shell owned 40%, BP owned 40% and 20% was owned by the Eagle Group.
1930s As a mark of confidence despite the recession, the Shell Group purchased a large riverside plot on the Thames in London to build Shell-Mex House, one of the Group’s landmark buildings round the world. The Shell-Mex company handled all the marketing of Shell’s products.