Guidance and regulation

Find out if your business needs to publish a tax strategy, what it should include and when to publish it.

• From: HM Revenue & Customs
• Updated: 22 June 2018

Understand the approach HMRC uses to work with large business customers.

• From: HM Revenue & Customs
• Updated: 10 April 2024

Find out how HMRC works with large business customers in the UK.

• From: HM Revenue & Customs
• Updated: 10 April 2024

Use this service to ask the HMRC Mid-sized Business Customer Support Team for help if you're a mid-sized business with a UK turnover above £10 million or at least 20 employees.

• From: HM Revenue & Customs
• Updated: 14 March 2022

Find out if you must notify HMRC about an uncertain amount of Corporation Tax, Income Tax (including PAYE) or VAT if you’re a large business.

• From: HM Revenue & Customs
• Updated: 27 September 2022

Check if your business can get help from the Growth Support Service, and how to apply.

• From: HM Revenue & Customs
• Updated: 20 September 2017

Find out about the Large Corporates Forum and its purpose.

• From: HM Revenue & Customs
• Updated: 29 April 2021

An overview of the High Risk Corporates Programme.

• From: HM Revenue & Customs
• Updated: 12 May 2021

A set of principles that both large businesses and HMRC should apply to the way they work.

• From: HM Revenue & Customs
• Updated: 10 April 2024

How to contact HMRC if you’re a large business with a general or non-technical query.

• From: HM Revenue & Customs
• Updated: 2 April 2024