If you're in business, paying tax is unavoidable - but it doesn't have to be painful. Read about rates, reliefs and what to do if you're investigated.

Tax - overview

Good tax planning is essential for small businesses. Read our practical information on how business income is taxed, key business taxes and tax help

Property taxes - overview

Understanding business property taxes can help you take advantage of tax reliefs and ensure you aren't caught out by unexpected charges. Our guide.

Self-employment - overview

Being self-employed as a sole trader can be a straightforward way to be in business - but you need to comply with your tax obligations. Our guide.

VAT - overview

How VAT works for UK businesses, when to become VAT-registered, how to keep VAT records and how to complete a VAT return.

Tax self assessment - overview

While nobody likes paying tax, the right approach to your self assessment tax return could save you time and reduce the amount of income tax you have to pay.

Capital gains - overview

Effective planning can minimise your liability for capital gains tax by taking advantage of available allowances and reliefs. We explain your options.

National Insurance - overview

Although it can affect your entitlement to some state benefits, effective tax planning may allow you to reduce your NI contributions. Our overview.

Payroll and benefits - overview

If you have employees, you'll almost certainly be required to operate PAYE to collect income tax and NI contributions. Our guide to the basics.

Corporation tax - overview

Corporation tax is charged on taxable profits including trading profits and most investment profits as well as capital gains. What you need to be aware of.

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Annual Tax on Enveloped Property

Annual Tax on Enveloped Dwellings (previously called Annual Residential Property tax) is payable on certain high-value, enveloped properties.

Brown building on a clear sunny day

Business rates

UK business rates, which are largely unavoidable, are a tax on non-domestic property and they vary depending where the premises are located.

Woman working from home

Business rates and working from home

Do you have to pay business rates when you are working from home? The answer is: it depends. Find out which home businesses could be liable for business rates.

Man in white shirt using a laptop to do a business tax plan

Business tax planning

Effective tax planning is essential if you are to minimise your tax bills. Simple tax planning can significantly reduce your tax liabilities.

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Chargeable gains for companies

Company capital gains tax can be reduced, deferred or eliminated altogether by making use of available allowances, reliefs and exemptions.

Corporation tax

Corporation tax

All incorporated companies need to pay corporation tax on their profits. Our guide to calculating, paying and minimising corporation tax.

Person in a grey top holding a pen working out their corporation tax using a calculator

Corporation tax returns

All active UK limited companies (and some dormant ones) must file corporation tax returns, typically, every year: file yours properly and on time.

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Employee benefits and tax

Employee benefits can be complicated. You need to ensure that your payroll systems deal with employee benefits properly and report in real time.

Group of employees sat around a messy desk discussing national insurance

Employee National Insurance

Minimising employees' Class 1 NI contributions directly benefits the employee and the employer, by making it easier to recruit and retain employees.

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Employment status

Many businesses start out as part-time jobs or hobbies that develop into a business. It's possible to be employed and self-employed simultaneously.

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How will IR35 affect me?

IR35 rules change from April 2021. Seb Maley of Qdos answers the frequent questions on IR35 tax changes for contractors.

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Introducing incentive pay - checklist

Pay is an important issue for you and your employees. Incentive pay can form a key part of that offer if you get your incentive pay scheme right.

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You are legally obliged to operate PAYE for any employee with an income above the lower earnings limit.

A payslip with four pound coins placed on it

PAYE penalties and appeals

Find out about how RTI penalties could apply to your business, depending on how many people you employ in each PAYE scheme, in this HMRC factsheet.

Time sheet for calculating payroll


HMRC expect you to file pay information accurately and on time - and employees also won't be happy if they aren't paid correctly. Managing payroll.

A couple plan their tax affairs with a financial adviser

Personal tax planning and income tax

Tax planning can make a significant difference to the tax you pay. You should take advantage of any opportunities to minimise your tax bill.

A paper self assessment tax return form next to a laptop

Self assessment online

How to register for self assessment online, your business or personal tax account, and where to find help with self assessment

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Stamp duty

Stamp duty land tax is payable on property and land purchases above set SDLT thresholds and applies to both freehold and leasehold transactions.

Using a calculator - Tax and National Insurance

Tax and National Insurance

Businesses and individuals must account for and pay various taxes. Understand your tax obligations and how to file, account and pay any taxes you owe.

A man shows his empty pocket to indicate he is having tax payment problems

Tax payment problems

If you have a tax problem, call HMRC. Whether you have a tax payment problem or not, it’s worth looking at ways to improve your cash flow management.

A post-it note reminder on a keyboard for the self assessment deadline

Self assessment deadlines

The deadlines for registering for self assessment, filing your self assessment tax return and paying any self assessment tax you owe

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Income tax allowances and reliefs

Your income tax allowances include allowable expenses which you can set against your taxable profits as well as the personal income tax allowance.

Businessman filling in a VAT return

VAT records

As well as ensuring you comply with your legal obligations under the "Making Tax Digital" initiative, maintaining accurate, current VAT records makes it easy to get the VAT you paid back.

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Corporation tax reliefs and allowances

It's worth understanding the different ways in which the annual investment allowance, other capital allowances and allowable expenses are treated.

 A row of privately owned houses

Private residence relief

Private residence relief allows most homeowners to sell their homes without being liable for any capital gains tax on property profits.

Businessman calculating VAT return figures

VAT returns

The VAT return summarises your sales and purchases and the VAT relating to them. All the information you need should be in your VAT records.

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CGT toolkit for land and buildings

This toolkit supports tax advisers by providing guidance on the errors often found in tax returns re capital allowances for plant and machinery.

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Useful tax breaks for employers

Employers could be missing out if they don’t take advantage of key tax breaks. Find out if your small firm could benefit from tax reliefs.

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Tax calculators

The best calculators we've found online, many of which come from official sources such as HMRC and the Valuation Office and are continuously updated.

Coloured hanging files each labelled with a different category of tax

Tax codes: the basics

Every worker has a tax code issued by HMRC. But what are they for and how do you know if yours is correct? We answer key questions about tax codes.

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Simple ways to pay your tax bill

We all have to pay tax and there are a number of ways to pay your tax bill. We look at the main options for paying your tax bill.

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A guide to tax penalties

Tax penalties can be incurred if you make careless errors, while deliberate tax evasion or fraud can be treated severely - so avoid penalties.

Tax rates on dividends

Dividend allowances

UK dividend tax rates and allowances. Discover what your personal dividend allowance is and what you will pay on dividend income over this amount.

Man in a suit sat at a desk handing an employee an employment allowance slip

Employment Allowance

The Employment Allowance reduces the amount of employer’s Class 1 NICs payable. Find out how it works, who qualifies and how to claim.

An overhead shot of a woman holding a pile or receipts as she claims research and development expenditure credits

R&D expenditure credits (RDEC)

RDEC credits and why smaller companies might claim them. RDEC qualifying criteria, RDEC rates and how to make an expenditure credit claim

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Research and development grants

National, regional and other grants that support research and development and what they cover. How to apply for a research and development grant.

Three piles of coins with R&D balanced on top

Research and development tax credit

Which companies are eligible for SME research and development tax credits, what costs you can claim and how to claim. How grants affect tax credits

A female business owner looking over her business expenses

Using simplified expenses

Tool to help self-employed businesses use fixed rates (‘Simplified Expenses’) to calculate how much to claim with mixed business and private use.

Tax saving on a calculator - What are the best ways to save tax?

What are the best ways to save tax?

Effective tax planning is the best way to reduce tax liabilities. That means planning in advance from business start up through to eventual exit.

An attractive women celebrates receiving confirmation of her tax refund

Claim a tax refund

If you think you paid too much tax in a previous tax year, use this HMRC tool to claim a tax rebate.

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Construction Industry Scheme

The Construction Industry Scheme (CIS) affects businesses involved in construction and some businesses which spend large amounts on construction.

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eBay and tax

You make money selling your old stuff on eBay but do you have to pay tax on the money you make?

A man counts coins into a jar representing National Insurance contributions

Check your National Insurance record

Paying National Insurance contributions entitles you to certain state benefits such as a state pension. Check if you have enough years to qualify.

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Do you have a second income?

If you earn income from sources other than through your employer, you may be classed as being both employed and self employed.

Woman next to company car

HMRC company car tax calculator

When a company car or van or fuel for private use is made available to an employee, there is deemed to be a benefit in kind - which means you pay tax on it.

Man in a blue shirt calculating his tax with a stack of money beside him

HMRC Tax checker tool

You can visit the HMRC website to use a handy online tool to check whether employees have paid too much income tax under the PAYE scheme.

Close up shot of a payslip

Payslip checker tool

Check your payslips show the right information, including tax and NI deductions on the UK Tax Calculators website.

National Insurance

National Insurance

Employers pay employer National Insurance contributions (NICs) for each employee, and also collect their employees’ contributions. Our guide to NICs.

Company directors working on their directors' loan accounts

HMRC directors' loan accounts toolkit

The HMRC directors' loan accounts toolkit can help anyone completing a company tax return to avoid the common mistakes relating to directors' loan accounts.