Disclaimer
This tool is for general guidance only. It does not replace official deadlines, Companies House records, HMRC guidance, or professional advice. Always confirm your own dates and figures with the official sources.
UK Corporation Tax Calculator
Calculate your UK limited company's Corporation Tax at official HMRC rates (19%–25%), with associated companies and short accounting period adjustments.
12 normally. Shorter for a first period or a change of year-end.
Other companies under common control, thresholds are shared equally between them.
Added to profits when deciding the band (augmented profits), but not taxed themselves.
Marginal relief band (19%–25% sliding scale)
You benefit from marginal relief, which smoothly scales tax between 19% and 25%.
Corporation tax
£17,450
81,143 AED
Profit after tax
£62,550
290,858 AED
Effective rate
21.8%
Profit entered
£80,000
372,000 AED
| Profit band | Rate |
|---|---|
| Up to £50,000 | 19% |
| £50,001 – £250,000 | 19%–25% (marginal relief) |
| Over £250,000 | 25% |
What this estimate covers
Marginal relief applied: £2,550.
It assumes the figure you entered is the taxable total profits after accounting and tax adjustments, for a single UK-resident company. It does not include group relief, losses brought forward or back, capital allowances, R&D relief or the Patent Box, or ring-fence oil and gas profits.
Dirham figures are illustrative at 4.65 AED to the pound, not today's exchange rate.
UK Company Compliance & Accounting Services
Fileminder Ltd (Company No. 17027059)
Regulated by AAT · ACCA-qualified accountants
Companies House Authorised ACSP
UK Corporation Tax Estimate, Fileminder
Profit: £80,000 | Corporation Tax: £17,450 (81,143 AED) | Effective Rate: 21.8%
| Item Description | Calculated Figure |
|---|---|
| Taxable Net Profit372,000 AED | £80,000 |
| Corporation Tax Liability81,143 AED | £17,450 |
| Effective Tax Rate | 21.8% |
| Profit Retained After Tax290,858 AED | £62,550 |
This document is a generated calculation summary for informational purposes based on 2026/27 HMRC rates. Fileminder Ltd is a registered practice regulated by AAT, working with ACCA-qualified accountants. Contact: fileminderltd@gmail.com | https://fileminder.co.uk
Statutory Filing & Preparation
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ACCA-qualified accountants at an AAT-regulated firm, serving Arab directors across the GCC.
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Fileminder's AAT-regulated practice prepares your statutory annual accounts, files them with Companies House, and submits your CT600 Corporation Tax return to HMRC, checking the reliefs and allowable expenses that apply to your company.