HMRC’s Supervised Businesses Register is updated daily and includes details of businesses supervised by HMRC for anti-money laundering purposes. Management Information is collected at the end of each month. As of 30th September 2017 there were 27,060 businesses on the register.
HMRC does not intend to publish the information on the Supervised Business Register in an open data format. This is to prevent misuse of the data by third parties.