Sub DistributeRows()
Dim wsAll As Worksheet
Dim wsCrit As Worksheet
Dim wsNew As Worksheet
Dim LastRow As Long
Dim LastRowCrit As Long
Dim I As Long
Set wsAll = Worksheets("All") ' change All to the name of the worksheet the existing data is on
LastRow = wsAll.Range("A" & Rows.Count).End(xlUp).Row
Set wsCrit = Worksheets.Add
' column G has the criteria eg project ref
wsAll.Range("G1:G" & LastRow).AdvancedFilter Action:=xlFilterCopy, CopyToRange:=wsCrit.Range("A1"), Unique:=True
LastRowCrit = wsCrit.Range("A" & Rows.Count).End(xlUp).Row
For I = 2 To LastRowCrit
Set wsNew = Worksheets.Add
wsNew.Name = wsCrit.Range("A2")
wsAll.Rows("1:" & LastRow).AdvancedFilter Action:=xlFilterCopy, CriteriaRange:=wsCrit.Range("A1:A2"), _
CopyToRange:=wsNew.Range("A1"), Unique:=False
wsCrit.Rows(2).Delete
Next I
Application.DisplayAlerts = False
wsCrit.Delete
Application.DisplayAlerts = True
End Sub