The Mess Hall

Talktalk are still the bad boys of the UK major ISP with the most complaints although they have managed to make improvements.
(maybe spend less on xfactor and more on your network)



BSkyB where the only other major ISP to reduce the number of complaints to strengthen their already impressive service.

bbc.co.uk

Depends if the numbers are normalised, or just due to people jumping ship instead of complaining...