I've attached what I think you need and what I would do.
On the front sheet I have a total for each Retailer across the top facilitated by a Countif function for their names against column B.
I've put in a rather untidy macro, that automates your copy and paste to the individual sheets for you, as I am relatively new it's rather untidy. I'm sure one of the more experienced guys here could make it better.
Sub Macro1()
Sheet2.Select
Range("A3").Select
Sheet3.Select
Range("A3").Select
Sheet4.Select
Range("A3").Select
Sheet1.Select
Range("B:B").Select
For Each Cell In Selection
If Cell.Value = "James" Then
Cell.EntireRow.Copy
Sheet2.Select
ActiveCell.Offset(1, 0).Select
Selection.PasteSpecial Paste:=xlPasteValues
End If
Next Cell
Sheet1.Select
Range("B:B").Select
For Each Cell In Selection
If Cell.Value = "John" Then
Cell.EntireRow.Copy
Sheet3.Select
ActiveCell.Offset(1, 0).Select
Selection.PasteSpecial Paste:=xlPasteValues
End If
Next Cell
Sheet1.Select
Range("B:B").Select
For Each Cell In Selection
If Cell.Value = "Sophie" Then
Cell.EntireRow.Copy
Sheet4.Select
ActiveCell.Offset(1, 0).Select
Selection.PasteSpecial Paste:=xlPasteValues
End If
Next Cell
End Sub
Open it up and take a look.
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