--- title: "Self Assessment Accounts in Cardiff | TCK Accounting" description: "Sole trader accounts prepared from your bookkeeping and receipts, producing clear profit figures and tax estimates for your Self Assessment return." canonical: "https://www.tckaccounting.co.uk/services/self-employed-accounts-for-self-assessment" --- ![A person at a desk reviewing business documents and a checklist, reflecting preparation for accounting tasks.](/_next/image?url=%2Fapi%2Fmedia%2Ffile%2Fquickbooks-mtd-preconnection-checklist-hero.png%3Fv%3D1769183245309&w=1536&q=75&dpl=dpl_HkjxAMLz8SoKDEaYz6gDcGJLMf1v) Self-employed & partnership accounts # Self-Employed Accounts for Self Assessment [Book a free consultation](https://www.tckaccounting.co.uk/redirect-contact) Self-employed accounts turn your day-to-day records into a clear set of year-end figures that support an accurate Self Assessment tax return. This service organises your income and expenses, applies the right tax rules, and gives you confidence in your profit and tax position before you file. ## What the service covers Your accounts are prepared to support a smooth Self Assessment submission and reduce the risk of errors, missed claims, or HMRC queries. - Review of your income and expense records for the tax year - Reconciliation of business bank accounts and key control checks - Profit and loss calculation for your sole trade - Treatment of common items such as mileage, home working, and use of phone or internet - Capital allowances where relevant (for example, equipment and tools) - Review of allowable expenses and identification of missing or unclear items - Clear year-end summary of the figures needed for your Self Assessment return - Tax estimate guidance based on the completed accounts (where required) ### Who this is for This service suits sole traders, freelancers and contractors who want their year-end numbers done properly without spending evenings sorting spreadsheets. It is particularly useful if: - you have multiple income sources or high volumes of transactions - you are unsure what you can claim as an expense - you want a reliable profit figure before submitting your tax return - you need tidy, consistent records for a mortgage, tenancy, or funding application ### How it works 1. **Gather your records**: you share bookkeeping data, bank statements, invoices and expense evidence, plus any notes on unusual transactions. 2. **Checks and tidy-up**: reconciliations are completed and questions are raised early to avoid last-minute surprises. 3. **Accounts preparation**: adjustments are applied where needed and your year-end figures are finalised. 4. **Your summary**: you receive a clear breakdown of income, expenses and profit, with the numbers required for Self Assessment. ### What happens after the accounts are prepared Once the figures are final, you can use them to complete your Self Assessment return, or you can ask for support with submission if you want everything handled end to end. If you want to plan ahead, the same figures can be used to forecast next year’s tax and set realistic savings for payments on account. [Book a free consultation](https://www.tckaccounting.co.uk/redirect-contact) ## Frequently Asked Questions What records do you need from me? Usually this includes bank statements, sales invoices or income reports, and receipts or summaries for expenses. If you use accounting software, access or exports are helpful. You will be told exactly what is needed based on how you trade. Can you help if my bookkeeping is incomplete or messy? Yes. The records can be reviewed, reconciled and corrected where possible, and you will be asked targeted questions to fill gaps. If significant clean-up is needed, the scope can be agreed before work starts. Does this service include submitting my Self Assessment tax return? This service focuses on preparing the self-employed accounts and the figures needed for your return. If you want the Self Assessment submission completed as well, that can be added so everything ties back to the final accounts. What expenses can I claim as a sole trader? In general, expenses must be wholly and exclusively for business purposes. Common examples include business insurance, software, professional fees, travel and subsistence when allowable, and part-use costs like home working. Your records are reviewed to help apply the rules correctly. When should I get my accounts prepared? As soon as possible after your year end is ideal, especially if you want time to budget for the tax bill. Many people aim for completion well before the 31 January deadline to avoid pressure and reduce the risk of mistakes. [Book a free consultation](https://www.tckaccounting.co.uk/redirect-contact) ## Related Services Complete your experience with these services - Self-Employed Deadline Support [View](/services/self-employed-deadline-support) - Error Prevention Review (Self-Employed Returns) [View](/services/error-prevention-review-self-employed-returns) - Self-Employed Tax Efficiency Support [View](/services/self-employed-tax-efficiency-support) - Expense Categories Guidance (Travel, Rent, Supplies) [View](/services/expense-categories-guidance-travel-rent-supplies) Show more services - Allowable Expenses Review (Self-Employed) [View](/services/allowable-expenses-review-self-employed) - Self-Employed Record Collection Checklist [View](/services/self-employed-record-collection-checklist) - Self-Employed Profit Calculation [View](/services/self-employed-profit-calculation) - Partnership Accounts Preparation [View](/services/partnership-accounts-preparation) - Sole Trader Accounts Preparation [View](/services/sole-trader-accounts-preparation) ## Related Blog Posts - [![A clean illustration of a UK office desk setup with documents and a PAYE notice.](/_next/image?url=%2Fapi%2Fmedia%2Ffile%2Fhmrc-self-assessment-through-paye-hero.png%3Fv%3D1769514411339&w=1536&q=75&dpl=dpl_HkjxAMLz8SoKDEaYz6gDcGJLMf1v) ### Can I Pay My Self Assessment Bill Through My PAYE Tax Code? Yes—HMRC may collect Self Assessment through your PAYE tax code if you meet the rules, including the £3,000 limit and deadlines. Read more ](/blog/can-i-pay-my-self-assessment-bill-through-my-paye-tax-code) - [![Person at a desk in a small office environment reviewing documents and using a laptop, symbolizing business accounts preparation.](/_next/image?url=%2Fapi%2Fmedia%2Ffile%2Fqa-filing-profit-figures-uk-business.png%3Fv%3D1769514403751&w=1536&q=75&dpl=dpl_HkjxAMLz8SoKDEaYz6gDcGJLMf1v) ### Do I Still File a Self Assessment Return if I Don’t Know My Profit Yet? Yes—HMRC says you must still file. Use provisional figures, tell HMRC, then amend your return once your final profit is known. Read more ](/blog/do-i-still-file-a-self-assessment-return-if-i-dont-know-my-profit-yet) Show more posts - [![A computer on a desk in a small business office setting, displaying accounting software.](/_next/image?url=%2Fapi%2Fmedia%2Ffile%2Fhmrc-vat-software-editorial-uk-small-business.png%3Fv%3D1769183233536&w=1536&q=75&dpl=dpl_HkjxAMLz8SoKDEaYz6gDcGJLMf1v) ### MTD for VAT Penalties: What HMRC Says About Filing Without Functional Compatible Software HMRC says it may charge a penalty of up to £400 for every VAT return filed without functional compatible software under MTD for VAT. Read more ](/blog/mtd-for-vat-penalties-what-hmrc-says-about-filing-without-functional-compatible-software)