September 24, 2026
Do You Pay Corporation Tax on Dividends?
Dividends are paid from post-tax profit and are not deductible, so they never reduce corporation tax. Here is what extracting profit actually costs at…
Read articleCorporation Tax
Corporation Tax rates, marginal relief, CT600 filing, deadlines and payment.
September 24, 2026
How to Calculate Corporation Tax (With Worked Examples)
Accounting profit is not taxable profit. Add back depreciation, entertaining and fines, deduct capital allowances, then apply the rate — two full worked examples…
Read articleSeptember 15, 2026
Corporation Tax Late Filing Penalties Explained
CT600 late filing penalties doubled to £200 for returns with a filing date on or after 1 April 2026. The filing-date rule, the unappealable…
Read articleSeptember 15, 2026
Your First Corporation Tax Return: A New Company Director’s Guide
New companies usually file two CT600s in year one. The full first-year sequence: the 3-month HMRC notification, split accounting periods, and every deadline with…
Read articleSeptember 14, 2026
How to Reduce Corporation Tax: 12 Legitimate Strategies
Twelve legitimate ways to reduce your UK corporation tax bill — pensions, capital allowances, R&D relief, losses, mileage and EMI. Updated for the 2026…
Read articleSeptember 10, 2026
Marginal Relief Explained: The Truth About the 19%–25% Band
Marginal Relief creates a 26.5% effective marginal rate between £50,000 and £250,000 of profit — higher than the 25% main rate. The formula, the…
Read articleSeptember 10, 2026
How to Pay Corporation Tax: HMRC Reference Numbers and Methods
Your 17-character corporation tax reference changes every accounting period — the most common cause of misallocated payments. Full guide to references, methods and bank…
Read articleSeptember 10, 2026
How Much Is Corporation Tax in 2026/27? Rates and Marginal Relief
Corporation tax is 19% up to £50,000 and 25% above £250,000, with a 26.5% effective marginal rate in between. Full rate table, worked examples…
Read articleSeptember 4, 2026
CT600 Filing Service Cost: What UK Companies Pay in 2026
CT600 filing costs £120–£600 + VAT with an accountant, or £59–£195 DIY. Real 2026 prices compared, what drives quotes up, and why HMRC's free…
Read articleAugust 25, 2026
When Is Corporation Tax Due? Deadlines by Company Year-End
Ask five business owners when their Corporation Tax is due and you’ll likely get five different answers — not because anyone’s wrong, but because…
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