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Bella Accounting | Self Assessment

Self Assessment
Made Simpler

Support for individuals, landlords and investors across the UK.

Helping individuals, landlords and crypto investors prepare the information needed for their UK Self Assessment tax return.

Employment Self-Employment Rental Income Crypto Capital Gains
Click Your Situation

Do You Need to File?

HMRC requires a Self Assessment return from anyone with income outside standard PAYE. Click below to see if it applies to you.

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Self-Employed

Sole trader or freelancer with income outside employment. You must file if your self-employment income exceeds £1,000 in the tax year.

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Landlord

Rental income from one property or a portfolio. You must declare rental income and claim allowable expenses including mortgage interest and repairs.

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High Earner

Earning over £100,000 or receiving Child Benefit while earning over £60,000. HMRC requires a return to adjust your Personal Allowance.

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Crypto Investor

Selling, swapping or earning cryptocurrency. HMRC treats crypto as a capital asset — disposals must be declared on your Self Assessment.

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Foreign Income

Overseas employment, pensions or investments. UK residents must declare worldwide income — even if tax was paid abroad.

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Side Income

Selling online, content creation or consultancy. If your total trading income exceeds £1,000, you must register and file a return.

Key Dates

Important Deadlines

Missing a deadline means automatic penalties from HMRC. I make sure everything is filed well in advance.

5 Apr
Tax year ends
End of Tax Year
Income and expenses are calculated up to this date each year.
5 Oct
Register with HMRC
New to Self Assessment?
Register by 5 October after the tax year ends — before you can file.
31 Oct
Paper filing
Paper Return Deadline
Deadline for paper returns. Online filing gives you three more months.
31 Jan
Online filing & payment
Online Return & Payment
Online return deadline and payment due. Payments on account also due 31 July.
⚠️ Late filing penalty starts at £100 — even if you owe no tax. After 3 months, £10 daily penalties apply (up to £900).
What's Included

From gathering documents to HMRC submission — handled start to finish.

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Information Gathering

I'll send you a simple checklist of what I need — P60s, invoices, bank summaries, rental statements.

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Income Calculation

Employment, self-employment, rental, dividends and interest — all reviewed and tallied accurately.

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Expenses & Deductions

Every allowable expense reviewed to make sure your tax bill is as low as it legally can be.

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Tax Calculation

Income Tax, National Insurance, Capital Gains — calculated accurately and explained clearly.

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HMRC Submission

I submit your return directly to HMRC once you've reviewed and approved everything.

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Records & Confirmation

You'll receive a copy of your return and HMRC confirmation for your records.

FAQ

Common Questions

Pricing depends on the complexity of your return — number of income sources, whether crypto or capital gains are involved, and so on. Get in touch for a personalised quote with no obligation.

Multiple sources are handled as part of the service — employment, self-employment, rental income, dividends and crypto can all be included in one return.

As early as possible — ideally from April onwards. This avoids the January rush and gives time to gather all information accurately. Late returns can still be assisted but may incur a rush charge.

Get in touch and I'll guide you through registering with HMRC for Self Assessment and explain exactly what documents you'll need. First-timers are very welcome.

Yes — late or missing returns for previous years can be prepared and submitted. HMRC penalties for late filing can sometimes be reduced if there's a reasonable excuse.

Ready to Get Started?

Ready to Get Your Return Filed?

Evenings and weekends available. Personal service from start to submission.

Contact Bella Accounting
📚 Free Resource Looking for a checklist before getting started? Download it from Bella Tax Hub →