A recent report by an auditor of NHS services has found that the NHS has written off $8.8m Dollars of work done for private companies and Governments, in just four NHS Trusts.

BBC NEWS | Health | Millions lost in NHS private fees

Great Ormond Street Hospital alone wrote of $6m dollars worth of debt owed for work done for private concerns.

Some of the outstanding debts are from the Kuwaiti Government, a Greek insurance company amd Bupa, one of the larger insurance companies in Britain.

For anyone that doesn't know, there are about 50-60 NHS Trusts in the UK, all of varying sizes.