Self-Assessment Services

Self-assessment tax returns made simple, supporting businesses from sole traders to company directors and high earners.

Filing a self-assessment tax return can feel overwhelming, but it doesn’t have to be.

Our experienced accountants and business advisers offer personalised tax advice tailored to your circumstances, helping you understand your obligations and claim every allowable deduction.

Whether you’re filing for the first time or managing multiple income streams, we’ll guide you through the process with clarity and confidence.

Advisor discussing tailored support for different clients

Who can benefit from our help?

Our Self-Assessment services are designed for individuals with a wide range of income sources and tax responsibilities, including:

Self-employed individuals

Sole traders and freelancers who need to report their income and pay tax and National Insurance contributions.

Business partnerships

Partners who are required to file annual self-assessment tax returns for their share of partnership income.

Landlords

Property owners earning rental income who must declare profits, claim expenses, and stay compliant with HMRC.

High earners

Individuals with income over £100,000 or those affected by the High-Income Child Benefit Charge.

Those with additional income streams

Including individuals with dividend income, capital gains, or foreign income that needs to be declared to HMRC.

Our self-assessment process: step-by-step

We follow a thorough and structured process to ensure your self-assessment tax return is accurate, compliant, and submitted on time. Here’s how we take care of it:

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Income calculation

We total all taxable income sources, including employment income, self-employment profits, rental income, dividends, and any other relevant earnings.

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Expense deduction

We identify and deduct all allowable expenses, from business costs to professional fees, to reduce your overall taxable income.

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Tax computation

Using the latest HMRC rates and allowances, we calculate your exact tax liability, including Income Tax, National Insurance, and other applicable charges.

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Tax return preparation

We accurately complete your self-assessment tax return, ensuring all income, deductions, and tax figures are clearly and correctly reported.

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Submission to HMRC

Your completed return is submitted to HMRC on your behalf, ensuring it’s filed before the deadline and fully compliant with current regulations.

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Payment of tax liability

We ensure you’re aware of payment deadlines and amounts owed and can help arrange payment plans or manage payments on account where needed.

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Handling queries and corrections

Should HMRC raise any queries or require amendments, we respond promptly and handle any necessary corrections for you.

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Ongoing support and advice

Our team is available year-round to provide advice, answer questions, and help you stay on top of your tax obligations.

Benefits of our services

Accuracy, optimisation and compliance

We ensure that all self-assessment tax returns are completed with precision and submitted on time, helping clients avoid costly penalties and interest charges from HMRC. Our focus on accuracy and timeliness gives you the confidence that everything is handled correctly and within the deadline.

Our expert advice is backed by deep knowledge of UK tax law. We help clients take full advantage of available deductions, allowances, and reliefs, minimising tax liability while supporting long-term tax planning and financial control.

Compliance is a cornerstone of our service. We stay current with HMRC regulations to ensure every tax return is fully compliant, significantly reducing the risk of audits and penalties. You can trust that your affairs are always in line with the latest legislation.

Complete, end-to-end support

Our service is designed to give you complete peace of mind. We handle the entire self-assessment process, from paperwork to HMRC correspondence, so you can stay focused on your business or personal priorities without the stress of looming tax deadlines.

Efficient record keeping is part of our commitment to accuracy. We maintain well organised, secure records of all relevant financial information, ensuring everything is readily available for filing, audits, or future planning.

Beyond filing, our team offers proactive support throughout the year. Whether it's answering questions, managing payments on account, or highlighting tax saving opportunities, we’re here to help you stay compliant and tax efficient all year round.

Clear, practical guidance you can rely on

Every client’s financial situation is unique, which is why we offer personalised guidance tailored to your specific needs. We help you make informed decisions, both in the short term and with an eye on your financial future.

We believe in building clarity as well as trust. That means providing easy to understand explanations of your tax position, helping you grasp your obligations and opportunities with confidence.

Ultimately, our goal is to build lasting relationships founded on professionalism, reliability, and transparency so you can feel completely confident that your finances are in safe, expert hands.

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Our advisers

Meet some of our team of chartered accountants and business advisers.

Want to find out more about we could help with your self-assessment tax returns?

Call us:

0333 006 8809

Email us:

enquiries@haywardwright.co.uk

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FAQs

What is self-assessment tax?

Self-assessment is a system used by HMRC to collect Income Tax. If you meet certain criteria, you are required to complete a tax return each year to declare your income and calculate how much tax you owe.

Who needs to file a self-assessment tax return?

You must submit a tax return if, during the last tax year (6 April to 5 April), any of the following applied:

  • You were self-employed as a sole trader and earned more than £1,000 (before expenses or reliefs)
  • You were a partner in a business partnership
  • You had to pay Capital Gains Tax after selling or disposing of an asset that increased in value
  • You were liable for the High Income Child Benefit Charge

You may also need to file if you received untaxed income such as:

  • Rental income
  • Tips and commission
  • Income from savings, dividends, or investments
  • Foreign income

(Consider linking to the HMRC “Check if you need to send a tax return” tool.)

When is the deadline for submitting a self-assessment tax return?
  • Online returns: Must be submitted by 31 January following the end of the tax year.
  • Paper returns: The deadline is 31 October.
What information do I need to provide for my self-assessment tax return?

You’ll need to provide details of all income sources, expenses, tax reliefs, and other relevant financial data. This includes employment income, self-employment earnings, rental income, dividends, and capital gains. Our specialist team can help ensure nothing is missed.

How can I reduce my tax liability through self-assessment?

You can reduce your tax bill by claiming allowable expenses, tax reliefs, and deductions. Our accountants can identify and maximise these opportunities to ensure you’re not overpaying.

What happens if I miss the self-assessment tax return deadline?

Missing the deadline can result in penalties and interest charges. Filing on time helps you avoid these additional costs, so it’s important to plan and seek support if needed.

How do I pay my self-assessment tax bill?

HMRC offers a range of payment options, including online payments, bank transfers, and direct debits. You can choose the method that’s most convenient for you.

Can you help me with my self-assessment tax return?

Absolutely. Our experienced accountants can support you through every step of the process from gathering documents to filing your return and managing any correspondence with HMRC.

What should I do if I receive a tax return query from HMRC?

If HMRC raises a query or requests further information, it’s important to respond promptly. Our team can help you understand what’s being asked, provide the necessary documentation, and handle any required corrections or follow-up.