[Updated 1 February 2026]: If you missed the 31 January deadline to submit your self-assessment tax return, you are now into the penalty stage. HMRC applies an automatic £100 penalty to those who are anywhere from 1 day to 3 months late. Further penalties are then added if you take even longer to comply. It's even worse if you haven't paid the tax owed to HMRC by 31 January because you'll then owe interest on that too. Here's our professional advice of what to do if you're late...

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[Updated November 2025]: If you're self-employed in the UK and earn more than £1,000 after allowable deductions, you need to file a self-assessment tax return each year. It's not only the self-employed, though. If you are on a higher income* or receive untaxed income from things like property rental, tips, commission, savings, investments, dividends, or foreign income, you also have to submit a return. Partners in business partnerships and those who made a capital gain resulting in Capital Gains Tax (CGT) also need to submit a return.

If you do have to fill in a self-assessment tax return, getting all the tax return fields filled in properly and the figures right can sometimes be difficult. That's where professional help from companies like Taxfile is worth its weight in gold. But what information will your accountant or tax advisor need from you? In today's guide, we'll explain exactly what you'll need to supply.

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Attention UK landlords! The way you manage your property finances and report to HMRC is undergoing a major transformation. Making Tax Digital for Income Tax Self Assessment (‘MTD IT’) is no longer a distant whisper – it's becoming a reality, and Taxfile is here to help you navigate this essential change.

Forget the headache of last-minute annual Self Assessment tax returns! MTD for Landlords is designed to streamline your landlord tax obligations, demanding a shift to digital record keeping and MTD-compatible software. Don't get caught unprepared – let's explore everything you need to know about MTD for landlords and how to ensure a smooth transition.

The post UK Landlords: Is Your Portfolio Ready for the Digital Tax Revolution? (Making Tax Digital for Landlords) appeared first on Taxfile.

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As the new tax year approaches, CIS contractors must prepare for the upcoming 2024/25 tax return season.  Last year we witnessed a significant increase in HMRC compliance checks delaying refunds, with many contractors being asked to provide detailed CIS pay/deduction slips and bank account transactions to verify their income.

At Taxfile, we are here to help you navigate these challenges and ensure your tax affairs are in order while offering you peace of mind with our unique HMRC investigation cover. Learn more ...

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Tax. The very word can sometimes send shivers down your spine! But what if we told you there's a way to make things a little less… taxing? Enter Making Tax Digital for Income Tax & Self-Assessment (MTD IT)!

Now, before you click away, hear us out. This isn't about making tax more complicated. It's actually about bringing your tax admin into the digital age, which in the long run, can save you time and reduce errors. What's more, if you work through Taxfile, it could also save you money! Think of it as upgrading from paper maps to Google Maps for your finances!

The post Making Tax Digital for Income Tax: Your Friendly Guide appeared first on Taxfile.

Are you an Uber driver? If so, you need to ensure that you submit an accurate self-assessment tax return each year and, with new rules and data sharing now in place, it's never been more important to get your figures right. You may therefore be wondering whether you need an accountant. Today's guide gives Uber drivers an overview of the main rules for complying with HMRC, what they need to supply, and how accountants like Taxfile can help drivers with accounting, bookkeeping and self-assessment tax returns each year. By getting these right, Uber drivers will keep on the good side of HMRC and fulfil their tax obligations. Doing so will also help them avoid a financial mess and, potentially, nasty penalties from HMRC.

The post Accountants for Uber Drivers – Are They Needed? appeared first on Taxfile.

by Ali at Taxfile.

For many self-employed UK taxpayers, the January Self-Assessment deadline looms like a tax-shaped storm cloud. But what if you could banish that pre-deadline panic and transform tax season into a breeze?

Psychology tells us that we are motivated when one set of thought processes outweighs the opposing ones, tipping the balance to make us act. With that in mind, here are 7 key things that may motivate you to act on your taxes sooner rather than later.

The post The Early Bird Catches the Worm — The Benefits of Acting on Taxes Sooner appeared first on Taxfile.

by Mohamed at Taxfile.

In today's guide, we look at the rules around whether or not you need to register for Self-Assessment and submit a tax return to HMRC each year. Let's take a look.

Reasons to Register for Self-Assessment

You generally need to register for a Self-Assessment tax return if your income isn't taxed at the source, meaning the tax isn't automatically deducted from your wages/salary. Here are some common scenarios where you would need to register for self-assessment:

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While the transition to the new basis period has introduced certain complexities, it also presents opportunities for businesses to manage their tax liabilities more effectively. One such opportunity lies in the spreading of tax arising from transitional profits.

Transitional profits refer to the profits that arise from the transition between the old and new basis periods. These profits can be spread over

The post Basis Reform and Spreading appeared first on Taxfile.