Confused by Your Self Assessment Tax Return? Avoid Costly Mistakes
Not sure what figures to enter, which expenses to claim or how to complete your Self Assessment? Errors, missing information and missed deadlines can lead to unnecessary problems with HMRC.
Get help completing your sole-trader tax return clearly and confidently.
Based on Official HMRC Guidance
A 13-page PDF companion with nine practical steps, straightforward examples and final checklists for your sole-trader tax return.
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✓ Print at home
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This is an optional independent PDF companion, not HMRC’s official tax return service or personalised tax advice. The official Self Assessment service is available directly from HMRC without purchasing this guide.
Your Sole-Trader Tax Return Made Simple
Our Quick-Fill Companion walks you through nine practical steps, covering the main information needed for a straightforward sole-trader Self Assessment return.
Designed for 2025–26 Sole-Trader Self Assessment
Clear guidance for straightforward UK sole-trader returns, including turnover, business expenses, profit, the trading allowance and submitting your return. Not intended for complex tax circumstances.
Avoid Unnecessary Tax Return Mistakes
Mixing up turnover and profit, entering incorrect expense figures or forgetting to submit can cause unnecessary complications. Our companion helps you understand the main steps, prepare your figures and check your return before sending it to HMRC.