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Guidance

More than one business (Self Assessment helpsheet HS220)

Find information about your tax return if you have more than one business.

Documents

Working sheet: adjustments to profit chargeable to Class 4 National Insurance contributions (2026)

Request an accessible format
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email different.format@hmrc.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Working sheet: adjustments to profit chargeable to Class 4 National Insurance contributions (2025)

Request an accessible format
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email different.format@hmrc.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Working sheet: adjustments to profit chargeable to Class 4 National Insurance contributions (2024)

Request an accessible format
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email different.format@hmrc.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Working sheet: adjustments to profit chargeable to Class 4 National Insurance contributions (2023)

Request an accessible format
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email different.format@hmrc.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

Find information on how to fill in your tax return if you have more than one business.

This helpsheet covers:

  • Class 4 National Insurance contributions
  • interest
  • Lloyd’s underwriters
  • losses
  • partnerships
  • profits
  • self-employed sole traders

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