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Plain-English guides to UK Corporation Tax and CT600 filing.

19 results for “2025/26”Clear search
21 February 2026

Optimal Director Salary 2025/26 Tax Year

Find the most tax-efficient director salary for 2025/26. We explain the NIC thresholds, employer costs, and how to save thousands through your limited company.

director salaryoptimal salarycorporation taxnational insurancedividendslimited companytax efficiency2025-26
21 February 2026

Electric Company Cars: Corporation Tax 2025

Buy an electric car through your company and claim 100% first-year allowance. Learn about BIK rates, capital allowances, and CT savings for EVs in 2025/26.

electric vehiclecompany carcorporation taxcapital allowancesbenefit in kindbikevct6002025
21 February 2026

Marginal Relief for Corporation Tax: How It Works (With Calculation Examples)

How marginal relief works for Corporation Tax in 2025/26. Step-by-step calculation for profits between £50,000 and £250,000.

corporation taxmarginal relieftax calculationCT600small profits rate
21 February 2026

Every Corporation Tax Relief Available to UK Companies (2025/26 Complete List)

Every corporation tax relief for UK companies in 2025/26 — R&D, creative industry, patent box, capital allowances, and more.

corporation taxtax reliefallowancesr&dpatent boxcreative industriesct600hmrc
21 February 2026

Sole Trader vs Limited Company: Full Tax Comparison (2025/26)

Should you incorporate? Tax comparison between sole trader and limited company at every profit level — income tax, NI, dividends.

sole traderlimited companytax comparisoncorporation taxincome taxincorporationct600
20 February 2026

Corporation Tax Calculator: How Much Will Your Company Pay in 2025/26?

Free corporation tax calculator. Understand the 19% and 25% rates, marginal relief, and how associated companies affect your bill.

corporation taxcalculatortax ratesmarginal relief
12 February 2026

Corporation Tax Rates 2025/26 - Marginal Relief Calculator

Current UK corporation tax rates and marginal relief.

Corporation TaxTax Rates
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