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Sign into or set up a personal tax account to check and manage HMRC records, including Income Tax, change of address, Self Assessment and company car tax.
How to register for Self Assessment if you need to send a tax return or want to make voluntary Class 2 National Insurance payments.
Sign in and send your Self Assessment tax return online.
Self Assessment tax returns - deadlines, who must send a tax return, penalties, corrections and returns for someone who has died.
Use this tool to find out what you need to do to get a tax refund (rebate) if you’ve paid too much Income Tax.
Payment options for your Self Assessment tax bill - Direct Debit, bank transfer, through your tax code, debit or credit card, cheque and pay weekly or monthly
Where to find your unique tax reference (UTR) number, what to do if you've lost your UTR number, or how to apply if you do not have a UTR number
Use this tool to find out if you need to send a tax return for the 2024 to 2025 tax year (6 April 2024 to 5 April 2025).
When you start repaying your student loan, your monthly repayments, what to do if you have 2 jobs or are self-employed, how to get a refund if you've overpaid.
High Income Child Benefit Charge - check if you're affected, how and when to pay this tax charge, opt out and restart Child Benefit payments.
How you're taxed on dividend payments and how your income affects the amount of tax to pay
How to report your income and claim tax reliefs and any repayment due to you using the SA100 tax return.
Print your SA302 tax calculation and tax year overview if you're applying for a mortgage and need proof of earnings.
Self Assessment tax return forms for the current tax year
Find out how much you need to put aside for your Self Assessment tax bill by using HM Revenue and Customs' (HMRC's) Self Assessment tax calculator.
Contact HM Revenue and Customs if you cannot pay your tax bill - get more time to pay or pay in instalments.
Getting help with tax returns, allowances, tax codes, filling in forms and what to do if you owe HMRC
Records and paperwork you must keep if you're self-employed as a sole trader or partner in a business: income, costs, profit, how long to keep records.
Claim capital allowances so your business pays less tax when you buy assets - equipment, fixtures, business cars, plant and machinery, annual investment allowance, first-year allowances.
Use a simpler calculation to work out income tax for your vehicle, home and business premises expenses
Don’t include personal or financial information like your National Insurance number or credit card details.
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