Category: Self Assessment

Clear guidance on UK Self Assessment tax returns, allowable expenses, filing deadlines, payments on account and common tax return questions.

  • Common Self Assessment Mistakes Sole Traders Make (And How to Avoid Them)

    Common Self Assessment Mistakes Sole Traders Make (And How to Avoid Them)

    For many sole traders, Self Assessment is straightforward in principle: report the right income, claim the expenses you are entitled to, submit the return and pay the tax due. The difficulty is usually not the form itself. It is getting to January with incomplete records, a tax bill that has not been planned for, or a figure that does not quite tie back to the business.

    The good news is that most Self Assessment problems are preventable. A simple routine during the year will make the return easier to prepare, reduce the chance of errors and give you a clearer view of what you are likely to owe.

    If you would prefer support with the return itself, take a look at my Self Assessment tax return service. The points below are a useful checklist whether you prepare your own return or work with an accountant.

    1. Missing income from the return

    It is easy to focus on the invoices you remember sending and overlook other money that needs to be considered. Depending on your circumstances, that can include card payments, cash sales, work carried out through an online platform, interest, rental income, dividends or a side activity that started part-way through the tax year.

    A good starting point is to reconcile your records to your business bank account and payment providers. If you use more than one account, make a list of them. This does not mean every receipt is taxable business income, but it gives you a sensible prompt to understand and document each item.

    2. Claiming costs that are partly personal

    Business expenses need to be considered carefully. A cost does not become allowable simply because it was paid from the business account. For a sole trader, the usual test is whether it was incurred wholly and exclusively for the trade. Where there is a mixed business and personal element, only the business part may be relevant.

    Common examples include mobile phones, internet, motor costs, use of home and travel. Keep the invoice or receipt, note what the cost related to and apply a consistent method. That makes it much easier to explain the treatment later. If you are thinking about moving from sole trader to limited company, it is also worth reading when a sole trader may want to become a limited company, as the rules and admin change once you incorporate.

    3. Waiting until January to organise the records

    January is a poor time to discover that receipts are missing, invoices have not been recorded or a bank account has not been reconciled for ten months. The return may still be possible, but the process becomes slower and less reliable.

    Set aside a short slot each month to:

    • reconcile business bank and payment accounts;
    • save sales invoices, supplier bills and receipts;
    • review any cash payments or expenses paid personally;
    • put aside money towards Income Tax and National Insurance; and
    • note anything unusual, such as the purchase or sale of a large asset.

    This habit also means you are better placed for Making Tax Digital for Income Tax where it applies. From 6 April 2026, it began applying to some people with qualifying self-employment and property income above the relevant threshold. Check HMRC’s current MTD for Income Tax guidance rather than relying on an old threshold quoted online.

    4. Being caught out by payments on account

    One of the biggest surprises for new Self Assessment taxpayers is that their first January bill may include both the balancing payment for the tax year just ended and the first payment on account towards the following year. It can feel like being asked to pay tax twice, but the payment on account is an advance payment against the next bill.

    There are circumstances in which a payment on account can be reduced, but it should only be reduced when there is a genuine reason to expect your next tax bill to be lower. I explain the detail in my guide to HMRC payments on account.

    5. Missing the registration, filing or payment deadline

    Deadlines depend on your situation, but they are not something to leave until the final week. For example, people who need to complete a return for the first time usually need to tell HMRC by 5 October after the relevant tax year. The normal online filing deadline is 31 January following the end of the tax year, and the tax is normally due by the same date.

    Always check the dates that apply to you on HMRC’s Self Assessment deadlines page. Filing early does not make the payment due earlier, but it does give you time to plan for it.

    6. Treating the tax return as a one-off compliance task

    A completed return should tell you something useful about your business: how much profit it made, what proportion has gone on costs, whether the tax bill is affordable and whether the business structure still works for you. If profit is growing steadily, it may be sensible to review whether remaining a sole trader is still the best route. It is a business decision as well as a tax one.

    The return is also a useful trigger to improve your record-keeping for the next year. Small changes—using a separate business account, invoicing promptly, keeping digital receipts and reconciling regularly—can remove a lot of avoidable stress.

    What if you have already spotted an error?

    Do not ignore it. HMRC allows a Self Assessment return to be amended within a limited period after the filing deadline. The right approach depends on what was wrong and whether it changes the tax due, so keep a clear note of the issue and supporting evidence. You can read HMRC’s guidance on correcting a return for the current process.

    A simple way to stay in control

    Keep the records current, plan for the tax before it is due and ask questions early when something does not look right. That is usually enough to avoid the mistakes that turn an ordinary tax return into a January emergency.

    If you are a sole trader, company director or landlord and would like help preparing your return, get in touch with SB Business Consulting. I provide clear, practical Self Assessment support from Cheltenham for clients locally and across the UK.

    This article provides general information only. Tax treatment depends on individual circumstances and the rules in force at the time.

  • HMRC Payment on Account: How It Works and How to Lower It

    HMRC Payment on Account: How It Works and How to Lower It

    Payments on account are advance payments towards your next Self Assessment tax bill, normally collected in two instalments of 50% of the previous year’s relevant tax liability. They often feel like a surprise because the first January payment can include both the tax you owe for the year just ended and the first instalment for the next year.

    The charge is not a penalty and it does not mean HMRC has taxed the same income twice. It is a timing issue. Once you understand the calendar and forecast your income, you can plan for it and, where your next year’s tax is genuinely lower, ask to reduce it.


    Who has to make payments on account?

    You will normally be asked to make payments on account if your Self Assessment tax bill is more than £1,000 and more than 80% paid outside Self-Assessment. This often affects sole traders, landlords, partners and company directors with dividend income.

    HMRC’s current payments on account guidance confirms that each instalment is normally half of the relevant previous year’s liability, with payments due by midnight on 31 January and 31 July.

    Why the first January bill can look so high

    Think of the first payment as two items arriving on one date:

    Due date What is normally due
    31 January after the tax year Your balancing payment for the tax year just ended, plus the first 50% payment on account for the following tax year.
    31 July The second 50% payment on account for the following tax year.
    Next 31 January Any balance still due for that following year, plus the first payment on account for the year after it if one is required.

    For example, if your first completed Self Assessment bill is £6,000 and you have not already made payments on account, the first January date may require £9,000: £6,000 for the year just ended and £3,000 as the first advance instalment. A further £3,000 is then due in July. It feels like a large step up, but the two instalments are credits against the eventual tax bill for the next tax year.

    What is included in the calculation?

    Payments on account are based on the previous year’s relevant Income Tax and Class 4 National Insurance. They are not normally calculated on Capital Gains Tax or student loan repayments, which are dealt with when the balancing payment is due.

    The amount can be affected by income that fluctuates. A strong year of self-employed profit, rental income or dividends may result in high advance payments even if your current year is quieter. That is why it is important to compare HMRC’s calculation with a realistic forecast rather than simply paying it without thought.

    Can you reduce a payment on account?

    Yes, if you have a sound reason to believe that your current year’s tax liability will be lower. A reduction is appropriate when it reflects the likely final position, not when it is only a way to delay paying tax.

    Reasons can include:

    • Lower profits. Your trading has slowed, a contract has ended or costs have increased materially.
    • Less taxable income. You have lower rental income, lower dividends or have stopped a source of income.
    • More tax at source. A larger proportion of your income is now taxed through PAYE.
    • A known change. You have reliable figures or a forecast that shows the previous year will not repeat.

    Be cautious. If you reduce the payments too far and the final bill is higher, HMRC can charge interest on the shortfall from the original due dates. A sensible reduction is based on current bookkeeping, expected income and a review of what has changed.

    How to avoid the January cash-flow shock

    The best solution is to reserve money gradually. As soon as you know payments on account may apply, build them into your budget instead of treating January as a distant problem.

    • File earlier. Submitting your return well before January tells you the numbers and gives you time to plan. HMRC notes that early filing can help you budget and explore payment options.
    • Set aside tax monthly. Move a sensible proportion of profit into a separate savings account as income arrives.
    • Use a forecast. Track sales, costs and expected tax for the rest of the year, particularly if your income is seasonal.
    • Review major changes. A new contract, a fall in work, dividend income or a property sale can alter the final bill.
    • Ask early if you cannot pay. Contact HMRC before the deadline to discuss options rather than ignoring the bill.

    Good records make this much easier. If your bookkeeping is months behind, it is difficult to judge whether a reduction is safe or how much cash needs to be reserved.

    Payments on account for company directors

    Limited company directors can still face payments on account personally. Your company pays Corporation Tax separately, but dividends and other untaxed personal income can create a Self Assessment liability. The company’s bank balance is not a personal tax reserve unless you plan for it correctly.

    If dividends form part of your income, make sure you understand the distinction between the company’s tax and your own. Our guide to director dividend tax in the UK explains the documentation and personal tax considerations behind dividend payments.

    Turn your tax bill into a manageable plan

    SB Business Consulting helps sole traders, landlords and company directors build a clearer view of their tax position. I support businesses in Cheltenham and Gloucestershire, and clients nationwide through secure digital systems. See our Self Assessment tax return service and business advice and tax planning service. Related reading includes Making Tax Digital for VAT and when a sole trader may move to a limited company.

    This article is general information. Payments on account depend on your individual tax position and the rules in force at the time. Take advice before reducing an instalment.

  • Director Dividend Tax in the UK: How to Pay Yourself Efficiently

    Director Dividend Tax in the UK: How to Pay Yourself Efficiently

    Dividends are not a casual withdrawal from your limited company: they can only be paid from profits available for distribution, must be properly documented and may create personal tax once your allowances are used. They can form part of an efficient way for an owner-manager to take money from a company, but only when the company has the profit and cash to support the payment.

    This guide explains the rules in plain English. It is relevant whether your company is based in Cheltenham or Gloucestershire, or you run it remotely elsewhere in the UK. The important point is the same: treat the company’s money as the company’s money until it has been lawfully paid to you.


    What is a dividend?

    A dividend is a payment made by a company to its shareholders from distributable profits. In a typical owner-managed company, the director is also a shareholder, but those are two different roles. A salary is paid because you work for the company; a dividend is paid because you own shares in it.

    Dividends are not:

    • A substitute for profit. A company cannot pay dividends simply because it has cash in the bank. It needs sufficient accumulated realised profit after taking account of relevant losses and obligations.
    • An expense for Corporation Tax. Dividends do not reduce the company’s taxable profit in the way that a salary or qualifying pension contribution may.
    • Available to anyone. They are paid to shareholders according to the rights attached to their shares. Different share arrangements need careful advice.
    • Free of paperwork. The company should record the decision and issue dividend vouchers showing the key details.

    GOV.UK’s guide to taking money out of a limited company is a useful official starting point. In practice, your up-to-date bookkeeping is what tells you whether a dividend is genuinely available.

    Check profit before you make the payment

    Cash and profit are different. You might have a healthy bank balance because a customer has paid an invoice, but still need to cover VAT, payroll, supplier bills, Corporation Tax or an earlier loss. Equally, a company may have made profit but not have enough available cash to make a sensible payment now.

    Before declaring a dividend, look at current management accounts rather than relying on a feeling that “the business has had a good month”. A basic review should cover:

    • Income recorded. Have all sales, refunds and credit notes been entered?
    • Costs recorded. Are supplier bills, recurring costs, payroll and director expenses up to date?
    • Tax reserved. Have you allowed for VAT, PAYE and Corporation Tax, rather than treating them as spare cash?
    • Previous losses. Past losses may reduce the profit available for dividends.
    • Cash needs. Will the company still be able to pay its bills and fund the next few months of trading?

    If the figures are not current, pause. It is better to update the bookkeeping first than to take money out and try to describe it as a dividend later.

    How to document a dividend properly

    A small amount of paperwork creates a strong audit trail. It shows that the payment was considered, approved and made from the right source.

    1. Prepare current figures. Use management accounts or other reliable evidence of distributable profit.
    2. Record the decision. Keep a board minute or written record showing the date, amount and basis for the dividend.
    3. Issue dividend vouchers. Each shareholder should receive a voucher with the company name, date, amount and the shareholder’s details.
    4. Make the payment clearly. Pay it through the bank where possible, using a sensible reference.
    5. Post it correctly. Record the transaction to the dividend account, not to wages, general expenses or the director’s loan account by accident.

    Interim dividends are commonly paid during the year using current figures. A final dividend is typically considered after the year-end accounts are known. The distinction matters less than having evidence that the company had enough distributable profit when the dividend was declared.

    Dividend tax rates for 2026/27

    Dividend tax is personal tax. It is calculated alongside your other income, so the same dividend can be taxed differently for two shareholders. For the tax year from 6 April 2026 to 5 April 2027, the dividend allowance is £500 and the dividend tax rates are as follows, subject to your total taxable income and the rules applicable to you.

    Income Tax band Tax on dividends above the allowance
    Basic rate 10.75%
    Higher rate 35.75%
    Additional rate 39.35%

    The current figures and examples are available in HMRC’s dividend tax guidance. You may pay more than one rate if your income crosses a band. Your Personal Allowance, employment income, pension contributions, savings income and other factors can all affect the result.

    Why the “salary plus dividends” formula is not enough

    It is common to hear that every director should take the same small salary and the rest as dividends. That is too simplistic. The best approach depends on your profits, other income, family circumstances, pension plans, eligibility for state benefits, the Employment Allowance, and whether the company needs to retain cash.

    For example, a director who also has employment income may already use part of their Personal Allowance and basic-rate band. A director with a growing company may choose to retain profits for investment, whereas another may need more personal income now. There is no single answer that is both compliant and tax-efficient for everyone.

    The right approach is to plan the whole picture: company profit, expected Corporation Tax, salary, dividends, pension contributions, personal tax and cash flow. Your plan should be reviewed when income changes, not copied indefinitely from a previous year.

    Common dividend mistakes to avoid

    • Paying dividends without profit. A payment can be unlawful if there were not sufficient distributable profits at the time. It may need to be repaid or treated differently.
    • Confusing cash with profit. A strong bank balance does not prove a dividend is available once tax, bills and liabilities are recognised.
    • Missing the paperwork. If there is no voucher, minute or evidence of profit, HMRC may question what the payment really was.
    • Mixing transactions. Personal purchases, expense reimbursements, salary and dividends should not be pushed into the same account without explanation.
    • Forgetting the personal return. Dividends above the relevant allowances may need to be reported through Self Assessment. The deadline and payment position are separate from the company’s Corporation Tax.

    Keeping your records current also protects you from an accidental director’s loan account. If you take money before it is recorded as salary, dividend or a legitimate expense reimbursement, it may be money you owe back to the company rather than a dividend.

    A practical quarterly routine

    For many small companies, a short quarterly review is enough to keep dividend decisions grounded in the figures. Update the bookkeeping, reconcile the bank, check the VAT and tax provisions, look at year-to-date profit and discuss what the business needs to keep. Then document any dividend payment rather than transferring money first and sorting out the records later.

    This routine is usually more valuable than waiting for the year-end. It gives you time to adjust drawings, manage cash and decide whether a pension contribution or retained profit would better support your plans.

    Plan how you take money from your company

    SB Business Consulting provides clear, director-led tax and accounting support for owner-managed companies in Cheltenham, across Gloucestershire and nationwide. Explore our business advice and tax planning service, payroll services and limited company accounts service. Related reading includes what expenses a limited company can claim and when to move from sole trader to limited company.

    This article is general information, not personal tax advice. Dividend decisions require current company figures and should be considered alongside your individual circumstances and the rules in force at the time.

  • When Should a Sole Trader Become a Limited Company in the UK?

    When Should a Sole Trader Become a Limited Company in the UK?

    There is no single turnover figure at which every sole trader should become a limited company. The right time to incorporate depends on profit, how much money you need personally, the risk in your work, your plans for growth and whether the extra administration is worthwhile. A limited company can create useful options, but it is not automatically the most tax-efficient answer for every business.

    If you are weighing up the move, start with your real numbers rather than a headline threshold. The aim is to choose a structure that supports your business now and does not make the next stage harder. That applies to a local business in Cheltenham or Gloucestershire just as much as a business serving clients across the UK.


    Sole trader and limited company: the practical difference

    A sole trader and a limited company are not simply two tax labels. They are different legal and administrative structures.

    Question Sole trader Limited company
    Legal position You and the business are legally the same person. The company is a separate legal entity and you are usually a director and shareholder.
    How profits are taxed Business profit is generally taxed on you through Self Assessment. The company pays Corporation Tax on its profits; money taken personally can have separate tax consequences.
    Administration Usually simpler records and a Self Assessment return. Accounts, Company Tax Return, confirmation statement and potentially payroll, dividends and director’s loan records.
    Liability You are personally responsible for the business’s debts. Liability is generally limited, but directors still have legal duties and can be personally responsible in some circumstances.
    Money taken out You can draw money from the business; the drawings themselves are not a tax deduction. Money must be recorded correctly as salary, dividends, expense reimbursement, loan repayment or a director’s loan.

    The table is a starting point. It does not replace tailored advice, because the result can change significantly if you have other income, a partner involved in the business, staff, property income, pensions or plans to retain profit for growth.

    When incorporation can make sense

    Moving to a limited company can be sensible when it supports the way you actually run and grow the business. Common reasons include:

    • Profits are rising. If your profits are comfortably above the amount you need to live on, you may be able to leave some money in the company for tax, investment or future working capital. The personal tax result still needs modelling.
    • You want to retain cash. A company can be useful where you plan to build a reserve, buy equipment, recruit or invest in the business rather than withdraw every pound immediately.
    • Commercial risk is increasing. A separate legal entity can be helpful for contracts, trading risk and credibility, although it is not a substitute for proper insurance or good governance.
    • You work with larger clients. Some clients prefer, or require, suppliers to operate through a company. This may be relevant for contractors, but it does not remove the need to consider IR35.
    • You have a business partner. Shares and a shareholders’ agreement can provide a clearer framework than an informal partnership of individuals.
    • You are planning ahead. A company structure can support a longer-term plan for growth, investment or eventually selling the business.

    Tax may be part of the decision, but it should not be the whole decision. Incorporating just before a year end, or because someone online quoted a single “tax tipping point”, can create extra work without delivering the expected benefit.

    When staying a sole trader may be better

    Sole trader status can remain the better choice when your profits are modest or fluctuate significantly, you take most of the business income to live on, or you want the simplest possible administration.

    It may also suit a new business that is still testing its market. You can focus on customers and good records first, then review incorporation when the business has a clearer pattern of income, costs and risk.

    • Lower administration. You avoid separate company accounts, Corporation Tax returns and Companies House filings.
    • Simple access to money. You do not need to decide whether each withdrawal is salary, dividend or loan.
    • Early-stage flexibility. A straightforward self-employed structure can be easier while the business model is still changing.
    • Loss relief considerations. The treatment of early trading losses can differ, so take advice before incorporating if you expect losses or have other income.

    Do not make the decision on turnover alone

    Turnover is useful for monitoring VAT registration and business scale, but it does not tell you what you personally keep. Two businesses with the same sales can have very different profits, risks and cash needs.

    A meaningful review should look at:

    • Annual profit. What remains after all genuine business costs, not just what comes into the bank.
    • Personal withdrawals. How much you need now for household spending, tax and pension contributions.
    • Other income. Employment income, rental income, dividends, savings and a partner’s position can affect the calculation.
    • Future cash needs. Equipment, VAT, recruitment, tax payments and a buffer for quieter months all need funding.
    • Administration time. A company works well when bookkeeping is current and the director understands the difference between company money and personal money.

    This is why an incorporation review should use a forecast, not only last year’s accounts. A business that is growing quickly may need a different answer from one with an unusually good year.

    What changes after you incorporate?

    Forming the company is only the first step. You then need to run it as a company. GOV.UK has a useful overview of forming a private limited company, but the practical setup is just as important as the registration.

    • Open a company bank account. Keep company income and spending separate from day one.
    • Transfer the business carefully. Decide how assets, contracts, invoices, stock and work in progress will move across. Do not simply start using the new account without a plan.
    • Set up bookkeeping. Choose software and a receipt process that makes the company’s transactions visible and easy to review.
    • Register for the right taxes. Corporation Tax is one requirement; PAYE and VAT may also be relevant depending on how the business operates.
    • Plan how you are paid. A director’s salary, dividends, pension contributions and expense reimbursements should be considered before money starts leaving the company.
    • Understand the deadlines. Companies House and HMRC have different filings and dates. Put them in your calendar early.

    It is also wise to tell clients, suppliers, insurers and your bank about the change when appropriate. The company will have a different legal name and registration number, so invoices and contracts need to reflect it.

    Do not rush the handover

    Incorporation is a genuine change in legal entity, not just a new label on the same bank account. Avoid backdating invoices, assuming old contracts transfer automatically or continuing to invoice through the sole-trader business after you have told clients the company is supplying the work. Decide the handover date, communicate it clearly and make sure the new company has its own records from that point.

    Assets, stock, work in progress, customer deposits and money owed to or by the business may all need to be considered. A short handover plan can avoid duplicate income, missed costs and confusion about which business is responsible for a particular contract.

    A simple example of the decision

    Imagine a consultant whose profits have increased over several years. They are now able to leave a meaningful amount in the business after covering household costs, want to invest in equipment and are starting to work with larger organisations. A limited company may be worth exploring because it supports retained profit, a clearer business identity and structured planning.

    Now imagine a new freelancer with variable income who needs most of their profit each month. They may be better off remaining a sole trader while they build a consistent client base. The company administration could add cost and stress without creating much financial benefit yet.

    Neither outcome is a failure. The important point is choosing the structure for your circumstances, then reviewing it as those circumstances change.

    How an accountant can help before you switch

    A useful incorporation discussion should be specific. It should not start and finish with a generic salary-and-dividend split. Before recommending a move, we would normally look at the recent figures, forecast the next year, consider the money you need personally and identify the practical work involved in changing structure.

    We can then map out an orderly move: incorporation date, payroll and bookkeeping setup, first accounts period, how to deal with equipment and contracts, and the dates you need to protect. This makes the decision feel like a planned business step rather than a leap into more paperwork.

    Decide with numbers, not a headline threshold

    SB Business Consulting supports sole traders and limited companies in Cheltenham, across Gloucestershire and nationwide. Start with our business advice and tax planning service, explore limited company accounts, or read our guides to limited company expenses and whether you need an accountant for a limited company.

    This article is general guidance only. Tax and legal outcomes depend on your personal circumstances, the business assets and contracts involved, and current legislation. Take advice before incorporating or transferring a business.