HMRC have begun to use Debt Collection Agencies to collect unpaid tax in the UK. http://www.uhy-uk.com/resources/news/hmrc-use-of-external-debt-collectors-more-than-doubles-in-two-years/?j=749319&e=anne.copeland@diamondheron.com&l=346_HTML&u=16329535&mid=1062735&jb=0