Self-assessment applies to sole traders, company directors, landlords and anyone with untaxed income. If you earned money outside PAYE, HMRC expects a return. Knowing early that you need to file gives you more time to prepare and reduces the risk of rushed mistakes or missed deadlines.
Keep accurate records
Good record-keeping is the foundation of a correct tax return. Track income, invoices, receipts and allowable expenses as you go, rather than scrambling in January. Digital records are acceptable, provided they are clear and complete.
Claim the right expenses
Only allowable business expenses can be deducted, and they must be wholly and exclusively for business use. Common claims include office costs, travel, software and professional fees. Over-claiming can trigger enquiries, while under-claiming means paying more tax than necessary. This is where guidance from Evesham accountants can be particularly valuable.
Check figures carefully
Small errors can lead to incorrect tax bills or delays. Double-check income totals, expense categories and personal details. HMRC’s system does some checks, but responsibility sits with you. Here, you can read about tax compliance checks.
Get professional support when needed
If your income streams are complex or you’re unsure about allowances, professional advice can save you time and stress. Accountants can also advise on payments on account and future tax planning. Specialists such as https://www.randall-payne.co.uk/services/accountancy/evesham-accountants/ can support individuals and businesses with clear guidance.
Submit on time and plan ahead
The online deadline is 31 January. Submitting early avoids penalties and gives clarity on what you owe. Planning ahead makes next year’s return far easier.

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