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Self-employed taxation

Expert commentary and practical guidance from ICAEW related to the taxation of those that are self-employed within the UK business tax regime, including cash basis.

In this section

Practical guidance

ICAEW's Tax Faculty produces TAXguides to provide practical support on technical areas of tax.

TAXguide 06/13 (TECH 13/13 TAX)

National Insurance contributions: Agreed note of cross-border and home national insurance contribution issues raised in 2012 and 2013 with HM Revenue & Customs by the Tax Faculty of the Institute of Chartered Accountants in England & Wales, with HMRC’s responses published in October 2013.

Changes to the cash basis for traders

Richard Jones considers the changes provided for by Finance Bill 2023-24 to the cash basis for trades subject to income tax.

Changes to the cash basis for traders

Richard Jones considers the changes provided for by Finance Bill 2023-24 to the cash basis for trades subject to income tax.

Webinars and recordings

Bloomsbury Accounting and Tax Service

Eligible firms have free access to Bloomsbury Professional's comprehensive online library, comprising around 80 titles from some of the country's leading tax and accounting subject matter experts. Find out who is eligible and how you can access the Accounting and Tax Service.

Business profits

Tax rates and tables for business profits, updated to reflect measures announced in the Autumn Statement on 22 November 2023 and changes proposed in the Autumn Finance Bill 2023. The chapter includes sections on MTD, cash basis, fixed rate deductions, averaging profits for farmers and artists, car hire costs, residential property lettings, time limits for claims and elections, lease premiums and SEISS.


A full chapter providing a practical overview of the taxation of self-employment income in the UK, including the temporary Covid-19 Self-employment Income Support Scheme (SEISS).

Cash basis for unincorporated businesses

A full chapter covering the cash basis system of accounting, including eligibility, rules for specific trades and professions and the way cash basis works. 

Property rental businesses

A full chapter covering the tax principles and framework for deductions by unincorporated property businesses.


A chapter on the UK tax treatment of self-employment, containing worked examples throughout.

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ICAEW REP 77/21: Basis Period Reform

Pushing through proposals to change basis periods ahead of the expansion of Making Tax Digital will cause as many problems as it solves and would be a backwards step for affected businesses, warns ICAEW in its response to HMRC's consultation on aligning basis periods with the tax year. ICAEW has urged the government not to implement to proposals.

Further support

Useful links

Some resources that we link to may pre-date the latest amendments to the relevant tax regulations. While these links contain useful information, please treat them with appropriate caution.

Employment status manual: entertainment industry

Employment status guidance for the entertainment industry. The guidance covers film and video workers, TV and radio workers, theatrical workers and musicians.

National Insurance on GOV.UK

Comprehensive hub linking to government guidance on National Insurance including rates and categories, National Insurance for the self-employed, and UK National Insurance for those working outside the UK.

Expenses if you're self-employed

Guidance on the treatment of company expenses for self-employed taxation explaining different categories of allowable business expenses.

Cash basis on GOV.UK

Official guidance for small businesses on who can use cash basis, how to record income and expenses, and information for VAT registered businesses.

Business Income Manual: Cash basis

HMRC internal manual providing guidance on eligibility, receipts, expenses, and transitional adjustments when entering or leaving the cash basis.

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