[Luckypants]

I used to have loads of trouble with City-Link claiming to have attempted delivery when I was sat in my home-office looking out on to the road/drive all day. I knew full well they had not attempted delivery! I would complain non-stop to City-link to no avail, but when I complained to the MD of Wiggle (it was mainly parcels from them) things were sorted out and they never missed a delivery again.

Don't complain to the courier, complain to whoever sends the parcel if it is an item bought from a shop. The bigger the retailer, the more clout they have with the courier.