[drain services]

hi im new here but need some advice. im just about to look into buying awindow cleaning round and hand over some hard erned money. has any one herd of acompany called pds cleaning based in woodfood green east london. they claim to sell rounds any coments on this would be nice to here as im not to sure about this. ok it works like this you go out for the day with some one who has bought around then you decide if you want buy  and start work ??