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Filing your income tax return at the end of the tax year

At the end of the tax year you must file an income tax return that includes all your income and your business expenses (including depreciation on fixed assets) for the year.

You also need to send a copy of your financial accounts or a summary of your income and expenses.

Types of returns

Find out about the types of business income tax returns and forms for summaries of your income and expenses

Due dates for returns

Find out the due dates for business income tax returns

You can either go to "Get it done online" to complete these returns online or "Forms and guides" to download them.  Or you can call our 0800 self-service line on 0800 257 773 to order copies.