HMRC Mileage Rates
HMRC mileage rates for 2026/27 explained. Calculate business mileage at 55p or 25p per mile, compare 2025/26 rates and learn how to claim tax relief.
HMRC Overpayment Relief Claim
Overpaid tax? Learn how to make an HMRC overpayment relief claim, check the four-year deadline, understand exclusions and prepare your claim letter.
HMRC Investigation
What happens during an HMRC investigation? Learn why HMRC investigates, what it can check, your rights, penalties and how to respond with confidence.
How Much Tax Does a Sole Trader Pay?
How much tax does a sole trader pay in 2026/27? See UK Income Tax and National Insurance rates, real examples and our free sole trader tax calculator.
Amendment of Tax Return
Need to amend a Self Assessment tax return? Learn how to correct mistakes, check HMRC deadlines, claim refunds and change returns from earlier years.
HMRC Time to Pay
Struggling to pay HMRC? Learn how Time to Pay arrangements work, who qualifies, repayment options, interest charges and how to apply online.
What Is a CT600 Corporation Tax Return?
What is a CT600 Corporation Tax Return? Learn who must file, HMRC deadlines, penalties and how to submit your company tax return online in 2026.
Self Employed vs Limited Company
Self employed vs limited company: compare UK tax, take-home pay, liability and costs for 2026/27. Discover which business structure suits you best.
Capital Allowances UK
Capital allowances UK explained for 2026. Discover the £1m AIA, full expensing, new 40% allowance, 14% writing-down rate and calculate your tax savings.
What is a Government Gateway User ID?
What is a Government Gateway user ID? Learn how to find or recover yours, sign in to HMRC and understand the switch to GOV.UK One Login.
R&D Tax Credits
R&D tax credits explained for UK companies. Check 2026 relief rates, eligibility, qualifying costs and HMRC claim rules. Includes a free R&D calculator.
Personal Tax Account HMRC
Access your HMRC Personal Tax Account. Learn how to sign in, register with GOV.UK One Login, check tax codes, claim refunds and manage Self Assessment.
Working From Home Tax Relief
Can you still claim working from home tax relief? See the 2026/27 rules for employees, previous-year claims, employer payments and self-employed expenses.
Paying Tax on Your Gambling Income
Do you pay tax on gambling income in the UK? Learn when gambling winnings are tax-free, HMRC rules for professional gamblers, poker and matched betting.
How to File a Self Assessment Tax Return
Learn how to file a Self Assessment tax return for 2025/26. Step-by-step guide to HMRC deadlines, allowable expenses, tax payments and filing online.
UK Tax Rates
UK tax rates, thresholds and allowances for 2026/27. Check Income Tax, NI, dividend tax, Corporation Tax, CGT, VAT, pension and ISA allowances.
How to Get a UTR Number?
Learn how to get a UTR number from HMRC, who needs one, how to apply, how long it takes and how to find your UTR if you've lost it.
When Should I Submit My Self Assessment Tax Return?
When should I submit my Self Assessment tax return? See the 2025/26 filing dates, 31 January 2027 deadline and why submitting early can help.
Making Tax Digital
Making Tax Digital explained for 2026. Check MTD for Income Tax thresholds, who must comply, quarterly deadlines, software rules and how to prepare.
Limited Company Tax
Limited company tax explained for 2026/27. Learn UK Corporation Tax rates, Marginal Relief, allowable expenses, dividends, deadlines and ways to reduce tax.