Starting a Business Accounting Checklist | Makesworth

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Starting a Business in the UK: Accounting Checklist

Applies to: Current UK startup requirements reviewed in 2026

Starting a business involves more than choosing a name and finding customers. Early decisions affect how you pay tax, withdraw money, keep records and meet filing deadlines.

Choose the structure deliberately

Common options include sole trader, partnership, limited liability partnership and private limited company. A sole trader is comparatively simple but remains personally responsible for business debts. A company is legally separate and creates additional filing, governance and money-extraction rules. Consider risk, expected profit, administrative cost, ownership and funding—not only headline tax rates.

Complete the registrations

Depending on the structure and activity, registrations may include Self Assessment, Companies House incorporation, Corporation Tax, PAYE, VAT and the Construction Industry Scheme. Keep reference numbers and Government Gateway access secure.

Set up banking and bookkeeping

Use a dedicated business bank account and decide how invoices, expenses, mileage and bank reconciliation will be recorded. Choose software that can support VAT and future Making Tax Digital requirements. Monthly bookkeeping gives a clearer view of profit, cash and tax than a year-end catch-up.

Plan tax and cash flow

Create a tax reserve and update it as results change. Sole traders should understand payments on account. Companies need to consider Corporation Tax and the treatment of salary, dividends, benefits and director’s loans. Monitor taxable turnover monthly as the business approaches the VAT threshold.

Prepare for staff and deadlines

Before employing anyone, check PAYE, right-to-work, employment terms, minimum wage, payroll reporting and workplace pension duties. Build a compliance calendar covering accounts, confirmation statements, Corporation Tax, VAT, payroll and Self Assessment.

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