Over recent years it has changed between Harrods and Selfridges, but at this point I believe that Harrods has the slight size advantage
Selfridges, Harrods, Harvey Nichols, John Lewis.
Harrods, Selfridges, Hamleys, Harvey Nichols are well known shops in central London.
Cath Kidston shops obviously sell bags but sometimes some Selfridges shops sell them. Harrods also sell Cath Kidston.
KitchenAid is seen as a high end brand in terms of kitchen electrical equipment. Their products are stocked in shops in the UK such as Harrods and Selfridges. KitchenAid microwaves are available at Lowes and Amazon.
The Burberry range of clothing can be found at many retailers. As well as the official company website, Burberry clothing may be purchased at Saks, Selfridges, Net-a-Porter, Harrods, and John Lewis.
The following department stores in London regularly have Estee Lauder promotion: Selfridges, House of Fraser, Harvey Nichols, Debenhams, John Lewis, Harrods, The bay, Boots.
This would need a check, but I'm pretty sure you can find them in Harrods and maybe Selfridges (both in London). I don't know for the rest of the UK.
Selfridges was created in 1909.
From a UK perspective, Michael Kors jackets are stocked by Selfridges, Harrods and Harvey Nichols. There are also a number of online options such as Net-a-Porter or any of the US major names who ship overseas.
Valentino handbags can be purchased from many places, both on the high street and online. Valentino has it's very own online store where handbags can be purchased. They can also be found in Selfridges and Harrods.
the most famous shops in London are harrods, hamleys, selfridges, heals, Harvey nichols, fortnum and mason and caruccios.