HM Revenue & Customs (HMRC) has published updated guidance on the key areas that money service businesses (MSBs) should consider as they carry out supervised business activities. The guidance sets out a number of Key Risk Indicators and identifies risks common to all MSBs in relation to financial crime.

https://www.gov.uk/government/publications/money-laundering-understanding-risks-and-taking-action-for-money-service-businesses/understanding-risks-and-taking-action-for-money-service-businesses