Accounting Blog

Learn how to calculate VAT accurately with simple formulas for adding, removing, and checking tax on invoices. This guide explains net, gross, VAT-inclusive pricing, discounts, deposits, expenses, mixed rates, rounding, and common mistakes, while showing how Invoice24 helps businesses create clear, professional VAT invoices with confidence every time and ease.

Learn how much you can earn before paying tax in the UK for 2026/27, including the £12,570 Personal Allowance, £1,000 trading allowance, self-employed profit rules, side hustle income, National Insurance, VAT thresholds and how clear invoicing records help freelancers, sole traders and small business owners stay organised throughout tax year.

Learn how National Insurance works in the UK for employees, freelancers, sole traders, directors and employers. This guide explains 2026 to 2027 rates, thresholds and examples, plus how organised invoicing with invoice24 can help you track income, payments and profits when planning tax and Self Assessment bills confidently each year.

Understand what your UK tax code means, including 1257L, BR, emergency and K codes. Learn how PAYE uses your allowance, why codes change, how second jobs, benefits and self-employment affect deductions, and what to do if your code looks wrong so you can avoid overpaying tax or unexpected bills later.

Find out why your UK tax code changed, what common codes like BR, 0T, K, M1 and 1257L mean, and how changes can affect take-home pay. Learn what to check with HMRC, from employment details and benefits to pensions, underpaid tax, allowances and income estimates, using accurate invoice24 records.

Learn what a UTR number is, who needs one in the UK, and how to get, find, or recover yours. This guide explains Self Assessment, company UTRs, deadlines, invoicing, and record keeping, with practical tips for freelancers, landlords, sole traders, limited companies, and small business owners using invoice24 online safely.

Learn how to claim tax back in the UK, from PAYE overpayments and work expense relief to Self Assessment refunds, VAT repayments and pension contributions. Discover common reasons HMRC may owe you money, what records to keep, and how Invoice24 helps freelancers and small businesses stay organised year round efficiently.

Learn how to find your UTR number in the UK, including where to check HMRC accounts, letters, tax returns, and company records. This guide explains personal and company UTRs, what to do if yours is lost, common mistakes, security tips, and how Invoice24 supports organised tax record-keeping for small businesses.

Can you claim website themes and templates as business expenses? This guide explains when theme costs are allowable expenses, when they may be capital costs, how subscriptions differ from one-off purchases, and how to handle mixed business use, client work, VAT, and recordkeeping so your claims stay clear and defensible.