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Tax Calculators & Tools

Our series of powerful, ready to use calculators that will seamlessly show you where the tax traps and opportunities lie. Constantly updated, you can use them to calculate a business or personal tax liability safe in the knowledge that every situation has been carefully considered.

Click on the "video demonstration" for a flavour of their functionality.

Browse by topic (113)

Recently added or updated Tax Calculators & Tools

Maximum AIA calculator
This calculator works out if your expenditure on plant and machinery can qualify for the AIA.About this calculatorThe calculator takes account of the change in the maximum AIA for accounting periods starting before 1 January 2019 and ending on or after that date. It also works out if the calculation... Read more
DOWNLOAD March 2019
Type: Calculator
Maximum AIA calculator
This calculator works out if your expenditure on plant and machinery can qualify for the AIA.About this calculatorThe calculator takes account of the change in the maximum AIA for accounting periods starting before 1 January 2019 and ending on or after that date. It also works out if the calculation... Read more
DOWNLOAD March 2019
Type: Calculator
Company car tax calculator
This calculator has two separate functions; one is a simple and quick way to work out the taxable benefit in kind for any company car and the other is a means to calculate the full tax and NI consequences for the business in providing the car.How to use the calculatorCalculations of the cost and tax... Read more
DOWNLOAD March 2019
Type: Calculator
Land related transaction charges calculator
Stamp duty land tax (SDLT), land and buildings transaction tax (LBTT) (Scotland only) and land transaction tax (LTT) (Wales only) is payable where you purchase the freehold of land and buildings in the UK. The tax is also payable on lease and rental arrangements depending on their length. Residential... Read more
DOWNLOAD February 2019
Type: Calculator
Value of goodwill calculator
When you transfer a business to a limited company, you need to calculate the value of the goodwill in it. If HMRC doesn't agree with your valuation, the difference between its (lower) and your (higher) valuation will be taxed on you. A document showing how you arrived at the calculation of goodwill which... Read more
DOWNLOAD January 2019
Type: Calculator

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Property rental tax planner
The planner is a tool for projecting and comparing the tax liabilities and estimated return on a let residential property owned personally or through a company. It takes account of the changes being phased in from 2017 to the rates of tax relief for interest paid on loans used to purchase or improve... Read more
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Type: Calculator
Capital gains tax calculator
 This calculator has three separate capital gains tax tools; one for sales of land or buildings one for the sale of chattels and other for share sales.How to use the calculatorThe land and buildings tool handles the complex rules for the calculation of a gain where the property qualified for private... Read more
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Type: Calculator
Share value calculator
When you gift, or transfer at undervalue, shares in your trading company to anyone other than your spouse, it is deemed to have been made at fair market value and will be liable to CGT (although you may be able to claim gift relief to defer the gain). Therefore, you will often need to value the shares... Read more
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Type: Calculator
Value of goodwill calculator
When you transfer a business to a limited company, you need to calculate the value of the goodwill in it. If HMRC doesn't agree with your valuation, the difference between its (lower) and your (higher) valuation will be taxed on you. A document showing how you arrived at the calculation of goodwill which... Read more
DOWNLOAD January 2019
Type: Calculator
Holdover gift relief calculator
When you transfer business assets, e.g. shares in your trading company, to someone other than your spouse at undervalue, you can claim gift relief to defer part or all of the CGT liability. The amount of the gift relief will depend on the amount, if any, of consideration you receive for the asset. Use... Read more
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Type: Calculator
Company purchase of own shares tool
Where an unquoted company purchases its own shares the shareholder is taxable on the amount they receive after deducting the shares' cost. The payment counts as income unless certain conditions are met in which case it is taxed as capital; this is usually more favourable. One of the important conditions... Read more
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Type: Calculator
Tax residency status tool
For tax purposes special rules apply if you are a non-UK resident. For example, you might not be taxable on some types of income or gains that arise outside the UK. Your status as either a UK resident or non-resident is determined by a complex set of rules taking account of the countries in which you... Read more
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Type: Calculator