ICAEW.com works better with JavaScript enabled.

Corporation tax

Expert commentary and practical guidance from ICAEW on corporation tax within the UK tax regime

In this section

Features and articles

Corporation Tax: Disincorporation Relief

Disincorporation Relief allows a company to transfer certain types of assets to its shareholders (who continue to operate the business in an unincorporated form) without the company incurring a Corporation Tax charge on the disposal of the assets.

Corporation Tax: Marginal Relief

If your profits are between £300,000 and £1.5 million you can reduce your tax bill by claiming Marginal Relief.

Corporation Tax: creative industry tax reliefs

Creative industry tax reliefs are a group of 8 Corporation Tax reliefs that allow qualifying companies to claim a larger deduction, or in some circumstances claim a payable tax credit when calculating their taxable profits.

Marginal Relief calculator

Use the Marginal Relief calculator to calculate how much Marginal Relief you can claim on your Corporation Tax. You can claim Marginal Relief if your company’s profits are between £300,000 and £1.5 million.

Tax relief for community amateur sports clubs (CASCs)

Community amateur sports clubs (CASCs) get some tax reliefs. You may be able to claim relief on money your CASC uses to promote participation in and provide facilities for eligible sports. These are called ‘qualifying purposes’.

Tax when your limited company gives to charity

Your limited company pays less Corporation Tax when it gives money, equipment or trading stock, land, property or shares in another company, employees (on secondment), or sponsorship payments to charity. You can claim tax relief by deducting the value of your donations from your total business profits before you pay tax.

Research and Development (R&D) tax reliefs

R&D reliefs support companies that work on innovative projects in science and technology. It can be claimed by a range of companies that seek to research or develop an advance in their field. It can even be claimed on unsuccessful projects.

Webinars and recordings

Corporate Interest Restriction

The Corporate Interest Restriction has effect from 1 April 2017, affecting all accounting periods ending after that date.

TAXtalk January 2018

Have you thought at all about the possible tax consequences of Brexit? Or how about the recent OECD and EU proposals on mandatory disclosure? We have been talking about these and lots more besides.

Property Income

First broadcast 11 July 2017. Join Seamus Murphy, senior tax manager KPMG and Sue Moore for a canter through some key areas pertinent to property and tax including making tax digital, trading in UK land, the finance restriction for buy to let landlords, non doms with property, tax free property income, residence nil rate band and the consultation on bringing non UK companies with UK property into the corporation tax net.

Questions and answers on UK tax issues and trends from the ICAEW Tax and VAT Helpline, a subscription service provided by Abbey Tax.

Abbey Tax FAQs are correct at the time of going to press. To check current validity, please call the ICAEW Tax and VAT Helpline.

The Library & Information Service provides a collection of eBooks as a benefit of membership. Please log in to access these titles. If you are unable to access an eBook, please see our Help and support or contact library@icaew.com.

Dividends received

Outlines the provisions which exempt UK dividends from taxation under the Corporation Tax Act 2009.

Chargeable gains

Covers chargeable gains for corporation tax purposes, with additional sections on dividends received, payments to charities, distributions, computation of tax liability, losses, groups, and the way corporation tax relates to income tax.

Loan relationships

An overview of loan relationships and corporation tax, with sections on the definition of these relationships, the scope of the rules, accounting for loan relationships and the basis of taxation.

Trading income

Explains how corporation tax applies to trading income and the ways in which it differs from income taxation. Covers the annual investment allowance, first-year tax credits and capital allowances for plant and machinery.

Computation of tax liability

Summarises how corporation tax should be calculated in a given tax year, with notes on the current rates and a simple example.

Chargeable accounting periods

The chargeable accounting period (CAP) for corporation tax usually coincides with a company's accounting period. This section outlines the alternatives available and how income is allocated within periods for tax purposes.

Scope of corporation tax

Lists the kinds of companies and organisations subject to corporation tax and where they must be resident for UK tax law to apply. This section briefly summarises the arguments and precedents concerning residence for tax purposes.

Taxation of small businesses, 2018/19

A one-volume guide to direct taxation of a small business.

Terms of use: You are permitted to access, download, copy, or print out content from eBooks for your own research or study only, subject to the terms of use set by our suppliers and any restrictions imposed by individual publishers. Please see individual supplier pages for full terms of use.

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.

Corporate tax and the digital economy: position paper

Paper setting out the government's view on the challenges posed by the digital economy for the corporate tax system, the international tax framework and its proposed approach. The Spring Statement 2018 update reflects feedback from stakeholders since the original consultation closed in January 2018.

Corporation Tax: HMRC manuals

HMRC internal manuals providing guidance on corporation tax relating to a wide range of business sectors and reliefs.

Corporation Tax on GOV.UK

Official guidance on corporation tax for limited companies, including preparing accounts, working out corporation tax, reliefs available, filing returns, payments and refunds.

2017 Worldwide R&D Incentives Reference Guide

Tax guide to research and development incentive regimes around the world, showing the available benefits, eligibility, the application process and IP jurisdictional requirements in 44 countries.

Global Research and Development Incentives Group

Guide to R&D tax credits and incentives by country, including a comparison of patent box regimes across fifteen countries and general R&D incentives across 36 countries.

Tables of time limits

Table of time limits from the Compliance Handbook, HMRC's Internal Manual, covering a range of taxes from corporation tax to VAT.

ICAEW accepts no responsibility for the content on any site to which a hypertext link from this site exists. The links are provided ‘as is’ with no warranty, express or implied, for the information provided within them. Please see the full copyright and disclaimer notice.

* Some of the content on this web page was provided by the Chartered Accountants’ Trust for Education and Research, a registered charity, which owns the library and operates it for ICAEW.