{"id":1056,"date":"2026-05-11T07:55:54","date_gmt":"2026-05-11T07:55:54","guid":{"rendered":"https:\/\/tax2u.co.uk\/blog\/?p=1056"},"modified":"2026-05-11T07:56:07","modified_gmt":"2026-05-11T07:56:07","slug":"self-employed-tax-for-2025-to-2026-what-you-must-report","status":"publish","type":"post","link":"https:\/\/tax2u.co.uk\/blog\/2026\/05\/11\/self-employed-tax-for-2025-to-2026-what-you-must-report\/","title":{"rendered":"Self employed tax for 2025 to 2026 what you must report"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Learn what income and expenses to report for your 2025 to 2026 tax return and avoid common mistakes.<br><br>If you are self employed in the UK, understanding what you must report to HMRC is essential for completing your Self Assessment tax return correctly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Many sole traders worry about missing income, claiming the wrong expenses, or making mistakes that could lead to penalties. The good news is that with organised records and the right guidance, managing your tax return can become much simpler.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This guide explains what self employed individuals need to report for the 2025 to 2026 tax year and how to avoid common issues.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Who must complete a Self Assessment tax return<\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">If you work as a sole trader and earn income from self employment, you will usually need to complete a Self Assessment tax return.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This applies whether you work full time, part time, or alongside other employment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You may need to register with HMRC if:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 You started self employment during the tax year<br>\u2022 Your income exceeds HMRC reporting thresholds<br>\u2022 You receive untaxed business income<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Registering correctly and early helps avoid delays and penalties.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">What self employed income you must report<\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Your self employed tax return UK must include all business income earned during the tax year.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This may include:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Payments from clients or customers<br>\u2022 Cash income<br>\u2022 Online sales or freelance earnings<br>\u2022 Business related commissions or fees<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It is important to report your total income accurately, even if you work with multiple customers or platforms.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keeping organised records throughout the year will make this process much easier.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">What allowable expenses you can claim<\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">As a self employed individual, you can usually claim allowable expenses that are wholly and exclusively for business purposes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Common examples include:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Office and business supplies<br>\u2022 Mobile phone and internet costs used for work<br>\u2022 Travel and mileage expenses<br>\u2022 Professional fees and insurance<br>\u2022 Marketing and advertising costs<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Claiming the correct expenses can reduce your taxable profit and lower your tax bill.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Home working and business use expenses<\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">If you work from home, you may also be able to claim a portion of household costs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This can include:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Electricity and heating<br>\u2022 Broadband usage<br>\u2022 Rent or mortgage interest in some situations<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HMRC allows simplified flat rate claims in some cases, or you may calculate actual business use costs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keeping clear records will help support your claim.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Records you should keep for HMRC<\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Good record keeping is one of the most important parts of managing your sole trader tax 2025 to 26 obligations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You should keep:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Invoices and receipts<br>\u2022 Bank statements<br>\u2022 Expense records<br>\u2022 Mileage logs where applicable<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HMRC may ask for evidence to support the information in your Self Assessment return.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keeping records organised throughout the year will save time and reduce stress later.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Common mistakes self employed individuals make<\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Many taxpayers make simple mistakes that can cause problems with HMRC.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Common issues include:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Forgetting to report all income<br>\u2022 Claiming personal expenses incorrectly<br>\u2022 Losing receipts or invoices<br>\u2022 Leaving tax preparation until the last minute<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Reviewing your records carefully before filing can help avoid these problems.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Understanding your tax and National Insurance<\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Self employed individuals may need to pay:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Income Tax on taxable profits<br>\u2022 Class 2 and Class 4 National Insurance contributions depending on income levels<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding your expected tax position early can help you plan ahead for payments and avoid financial pressure later.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Why early preparation helps<\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Starting your tax preparation early gives you more time to organise records and correct mistakes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Early preparation can help you:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Avoid rushed submissions<br>\u2022 Identify missing expenses<br>\u2022 Understand your tax liability sooner<br>\u2022 Reduce stress before deadlines<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Simple habits throughout the year can make a significant difference.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">How professional support can help<\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Managing your own Self Assessment can feel overwhelming, especially if your income or expenses are more complex.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Professional support can help you:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Prepare your self employed tax return accurately<br>\u2022 Identify all allowable expenses<br>\u2022 Stay compliant with HMRC reporting requirements<br>\u2022 Avoid unnecessary penalties or overpayments<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Getting expert guidance can give you peace of mind and confidence in your tax position.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Final thoughts for self employed taxpayers<\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding what to report on your <strong>self employed tax return UK<\/strong> is essential for staying compliant and avoiding unnecessary stress.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keeping accurate records, reporting all income, and claiming the right expenses will help you manage your tax affairs properly for the 2025 to 2026 tax year.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/www.tax2u.co.uk\/tax-return\/self-assessment\" type=\"link\" id=\"https:\/\/www.tax2u.co.uk\/tax-return\/self-assessment\">If you need help preparing your self employed tax return, Tax2u is here to help. Contact our team for professional support and guidance with your Self Assessment.<\/a><\/strong><\/p>\n\n\n\n<div style=\"height:28px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>Learn what income and expenses to report for your 2025 to 2026 tax return and&#8230;<\/p>\n","protected":false},"author":2,"featured_media":1058,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[284,223,49,6],"tags":[263,250,248,247,243,244],"class_list":["post-1056","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bookkeeping-for-businesses","category-cis-tax-rebate-claims","category-expenses-savings-deductions","category-self-assessment-income-tax","tag-bookkeeping","tag-cis-tax-rebate","tag-expenses","tag-income","tag-self-assessment","tag-tax-return"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - 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