RankRetailer
1 Tesco
2 Sainsbury's 
3 Asda
4 Morrisons
5 John Lewis Partnership
6 Marks & Spencer
7 Walgreens Boots Alliance
8 Cooperative Group
9 Aldi
10 Dixons Carphone
11 Home Retail Group
12 Amazon
13 Kingfisher
14 Lidl
15 Next
16 Primark
17 Iceland
18 Sports Direct
19 Arcadia
20 LloydsPharmacy
21 TK Maxx 
22 Debenhams
23 B&M 
24 Ikea
25 Home Bargains
26 Wilko
27 Shop Direct
28 Poundland
29 New Look
30 JD Sports
31 WHSmith
32 Ocado
33 Superdrug
34 Wickes
35 Matalan
36 Apple Retail UK
37 H&M
38 McColl's Retail Group
39 Dunelm
40 Halfords
41 N Brown
42 House of Fraser
43 River Island
44 Pets at Home
45 Harrods
46 DFS
47 Farmfoods
48 The Range
49 Inditex
50 Asos