UK tax administration costs spiralling due to complex system, says watchdog

Businesses pay hundreds of millions of pounds more and losing trust in HMRC, reports National Audit Office

An increasingly complex tax system is burdening the government and businesses with hundreds of millions of pounds more in administration costs, Whitehall's spending watchdog has warned.

The report by the National Audit Office (NAO) also said poor levels of service" meant some taxpayers and their representatives were finding it more difficult to deal with their tax matters and are losing trust in HM Revenue & Customs [HMRC]".