Thames Water paid no corporation tax last year, with union leaders tonight saying that is a disgrace.
The UK's biggest water company had pre-tax profits of half a million pounds, with revenues of 1.8 billion, and increased bills by nearly 7 percent.
Thames Water says it hasn't avoided paying tax just delayed paying it because of how much it invests in improvements.
Thames admits "we have not always provided the best service to our customers" - but said it had met targets on repairs and replacement of old pipes.Nick Thatcher has the full story.
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