Business tax – guidance

Large Businesses

Information aimed at large businesses which have been allocated a Customer Relationship Manager (CRM) by HM Revenue & Customs (HMRC).

These pages are aimed at large businesses which have been allocated a CRM by HMRC. If you do not have a CRM please refer to the material for mid-size businesses.

Introduction An overview of HMRC’s approach to the largest and most complex businesses

Large Business Strategy HMRC’s strategic approach towards its largest and most complex business customers

About the customer relationship management model Explains HMRC’s customer relationship management model and the role of the customer relationship manager

About HMRC’s Large Business directorate Information about how HMRC manages its relationship with the largest and most complex businesses

Who to contact Contact information for businesses overseen by HMRC’s Large Business directorate

Other useful information Information on:

  • the senior accounting officer measure
  • tax compliance risk management
  • the Large Business oil and gas sector
  • the various ways HMRC engages with its large business customers
  • how HMRC resolves disputes