UK Sole Trader Sheet › Blog
Plain-English help with bookkeeping, Self Assessment and Making Tax Digital for UK sole traders, with links to gov.uk sources.
What records HMRC expects UK sole traders to keep, for how long, the SA103 expense categories, and what a good 2026/27 bookkeeping spreadsheet includes.
Read the guide →Can UK sole traders keep using spreadsheets under Making Tax Digital for Income Tax? Who is in scope, deadlines, bridging software and what to set up.
Read the guide →The simplified expenses mileage rate for cars and vans rose from 45p to 55p for 2026/27. What it means for sole traders, with examples.
Read the guide →Worked examples of income tax and Class 4 NI for UK sole traders in 2026/27, and a simple set-aside rule.
Read the guide →MTD for Income Tax quarterly update periods and deadlines for 2026/27, who's in scope, and why updates are cumulative.
Read the guide →The UK Sole Trader Bookkeeping Spreadsheet 2026/27 has income and expense logs with SA103 categories, a mileage log at HMRC simplified rates, MTD quarterly and year-to-date totals, and a rough tax and NI estimate. Excel and Google Sheets, no macros, one-off £9.
See what's inside (£9) Try the free calculatorRates checked on 15 October 2026 against official sources: gov.uk income tax rates · self-employed NI · mileage · trading allowance · MTD.
General information only, not tax, legal or financial advice. Our liability is capped at the price paid, as far as the law allows. Your statutory rights are not affected. See the terms of sale.