Last reviewed: 15 June 2026

Quick summary

  • For MTD, sole traders should usually start with gross self-employment income, not profit after expenses.
  • Expenses, mileage, software, subcontractors and stock can reduce taxable profit, but they do not usually remove gross income from the threshold check.
  • The accountant conversation should separate the MTD threshold calculation from the eventual tax calculation.

Topic hub: Making Tax Digital by business type

Direct answer

For a sole trader, MTD qualifying income is about the self-employment income figure, not simply the profit left after expenses. GOV.UK describes qualifying income as the total income from self-employment and property. If your business has £55,000 of sales and £30,000 of allowable expenses, the £25,000 profit is important for tax, but the £55,000 sales figure may be the figure that catches you for MTD.

Separate three calculations

First, calculate gross income: invoices, platform sales, cash sales, card takings, Stripe or PayPal receipts before business expenses. Second, calculate taxable profit: gross income less allowable expenses and adjustments. Third, check MTD timing: which tax return HMRC will review, whether the relevant threshold has been passed, and whether any annualisation or ceased source issue applies.

Those three calculations can use some of the same records, but they answer different questions. A sole trader who only looks at profit may miss MTD. A sole trader who only looks at bank deposits may miss refunds, platform fees, VAT treatment or sales paid through several processors.

Examples where turnover and profit point different ways

  • A consultant invoices £52,000 and has £4,000 of software and travel costs. MTD may be relevant even though the profit is below £50,000.
  • A delivery driver receives £34,000 from platforms and has high mileage costs. The mileage may reduce profit, but the platform income still needs checking for MTD.
  • An Etsy seller has £58,000 of orders, £22,000 stock costs and £4,000 platform fees. The threshold conversation starts with the sales record, not the net bank transfer.
  • A new sole trader only traded for six months. GOV.UK says qualifying income may be annualised if HMRC has the information, so the first-year pattern needs checking carefully.

What competitor pages usually miss

Good competitor pages from software companies and professional bodies often say "gross income, not profit". That is correct, but many readers still do not know what gross means in their own records. Is it the invoice total, Stripe payout, bank deposit, platform sales report, cash received, or profit after stock?

This page is built around the accountant brief competitors rarely give: bring gross sales by tax year, processor reports, refunds, VAT treatment, expenses and the exact software or spreadsheet you currently use. The accountant can then answer the threshold question and the tax-profit question separately, rather than guessing from one bank total.

Records to gather before asking for help

  • Sales or invoice totals for each UK tax year
  • Stripe, PayPal, SumUp, marketplace or bank reports showing gross receipts and fees
  • Refunds, chargebacks and cancelled invoices
  • Expense totals, stock costs, mileage and software costs for the tax calculation
  • VAT registration status and whether sales include or exclude VAT
  • Accounting period dates, especially if the business started or stopped mid-year

Mistakes to avoid

  • Using profit after expenses as the first MTD threshold check.
  • Using net payouts from Stripe, PayPal or a marketplace as if they were gross income.
  • Mixing a side hustle with employment income when only self-employment and property income are relevant for MTD.
  • Assuming low tax means low compliance risk. MTD is about records and submissions, not only tax due.

Where gross income hides in real businesses

For a consultant, gross income is usually the invoice total before travel, software, insurance and home-office costs. For a delivery rider, it may be the platform pay before mileage is deducted in the tax calculation. For an ecommerce seller, it may be marketplace sales before stock, postage, refunds, advertising and platform fees are fully understood. For a creator, it may include sponsor invoices, affiliate statements and platform payouts, not just the amount left in the bank after fees.

This is why an accountant will often ask for source reports rather than a bank summary. Bank deposits are useful evidence, but they can be after fees, after currency conversion, or after a platform has netted several transactions together. The MTD qualifying income question needs to start from the business records that show the full activity. Once that figure is understood, the accountant can separately review expenses and the tax bill.

When a short check is worth it

A short accountant check is especially useful when your gross income is near £20,000, £30,000 or £50,000, when you have more than one activity, or when your first trading year was shorter than 12 months. It is also worth asking if you are VAT registered and using cash basis records, because GOV.UK notes that VAT treatment can affect the declared business income figure in some cases. The aim is not to buy a large package immediately. It is to avoid building an MTD workflow around the wrong number.

If you are not sure which report shows gross income, send the accountant both the sales report and the bank payout report, then ask them to explain the reconciliation.

Questions to ask an accountant

  • Which figure from my records should be treated as gross self-employment income?
  • Does my payment processor report reconcile to the tax-year sales figure?
  • Do refunds, platform fees or VAT change the MTD threshold check?
  • Will HMRC annualise my first-year trading income?
  • Can my current spreadsheet or software support MTD quarterly updates?

Related guides

Making Tax Digital for sole tradersMTD for CIS subcontractorsMTD for market tradersMTD for childmindersSpeak to an accountant

Key takeaway

For sole traders, check the gross income number before relying on the profit number. Profit matters for tax due, but MTD timing usually starts with the income record that shows the full activity.

Official guidance checked on 15 June 2026

FAQs

Is MTD qualifying income turnover or profit for sole traders?

The practical starting point is gross self-employment income, not profit after expenses.

Do expenses reduce the MTD threshold test?

Expenses can reduce taxable profit, but they do not usually reduce the income figure used to check whether MTD applies.

Does PAYE income count with sole-trader income?

PAYE employment income does not count towards MTD qualifying income, but sole-trader income and property income can count.