Guidance

Company losses toolkit

Get help if you’re a tax agent or adviser who has clients with company losses to declare on Company Tax Returns.

• From: HM Revenue & Customs
• Published: 1 January 2014
• Last updated: 22 April 2022
  Show all updates

  1. 22 April 2022

     'Company Losses Toolkit 2021 to 2022 Company Tax Returns' has been added.

  2. 26 January 2022

     Company Losses Toolkit 2020 to 2021 Company Tax Returns has been added.

  3. 6 April 2020

     Agent toolkit for “Company losses” has been added for 2020.

  4. 12 June 2019

     Company Losses Toolkit 2018 to 2019 Company Tax Returns has been added.

  5. 11 October 2018

     Agent toolkit for Company Losses for 2017 to 2018 has been updated.

  6. 13 July 2018

     Agent toolkit for Company Losses for 2017 to 2018 has been added.

  7. 9 May 2017

     Agent toolkit for Company Losses for 2016 to 2017 has been added.

  8. 4 May 2016

     Agent toolkit for Company Losses updated for 2015 to 2016 has been added.

  9. 23 April 2015

     Agent toolkit for company losses updated for 2014 to 2015.

  10. 1 January 2014

      First published.

Documents

Company Losses Toolkit 2021 to 2022 Company Tax Returns

ODT, 89.1 KB

This file is in an OpenDocument format

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Company Losses Toolkit 2020 to 2021 Company Tax Returns

ODT, 61.6 KB

This file is in an OpenDocument format

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Company Losses Toolkit 2019 to 2020 Company Tax Returns

PDF, 989 KB, 29 pages

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Company Losses Toolkit 2018 to 2019 Company Tax Returns

PDF, 1.14 MB, 29 pages

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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.

Company Losses Toolkit 2017 to 2018 Company Tax Returns

PDF, 1.14 MB, 30 pages

This file may not be suitable for users of assistive technology.

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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.

Company Losses Toolkit 2016 to 2017 Company Tax Returns

PDF, 853 KB, 20 pages

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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 out about common errors on company losses in client tax returns.