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

58 results for “limited company”Clear search
21 February 2026

Company Formation & Corporation Tax Registration

Step-by-step guide to registering for Corporation Tax after forming a limited company. Covers CT41G, UTR numbers, deadlines, and first CT600 filing.

corporation-taxcompany-formationregistrationct600hmrcnew-company
21 February 2026

Pension Contributions & Corporation Tax Relief

How employer pension contributions reduce your CT600 corporation tax bill. Limits, timing rules, and how to claim the deduction for your limited company.

pension contributionscorporation taxct600employer pensiontax relieflimited companyhmrc
21 February 2026

Close Company Rules & Corporation Tax Explained

Is your limited company a close company? Learn what it means for corporation tax, S455 tax on loans, and how it affects your CT600 filing.

close companycorporation taxct600s455participatorlimited companyhmrc
21 February 2026

Corporation Tax on Bank Interest: How It Works

How is bank interest taxed for UK limited companies? Learn the CT600 treatment, reporting requirements, and how to reduce your corporation tax on savings interest.

corporation taxbank interestct600loan relationshipsnon-trading incomehmrclimited company
21 February 2026

Corporation Tax Relief on Charity Donations

How to claim corporation tax relief on charitable donations. Covers qualifying payments, Gift Aid, non-cash gifts, and how to report donations on your CT600.

charity donationscorporation tax reliefct600gift aidqualifying donationslimited companyhmrc
21 February 2026

Flat Rate VAT Scheme & Corporation Tax

How the Flat Rate VAT Scheme affects your corporation tax. Learn about the VAT surplus, how to report it on your CT600, and whether the scheme still saves money.

flat rate vatvat schemecorporation taxct600vat surpluslimited companyhmrc
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

HMRC Penalties for Late Corporation Tax Filing

What are the penalties for filing your CT600 late? Understand HMRC penalty rates, interest charges, and how to avoid or appeal late filing penalties.

hmrc penaltieslate filingcorporation taxct600interest chargesappeallimited company
21 February 2026

Accountant vs DIY CT600 Filing: Honest Comparison

Should you pay an accountant or file your CT600 yourself? An honest comparison of costs, time, risks, and when each option makes sense for UK limited companies.

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21 February 2026

Corporation Tax for Investment Companies

How does corporation tax work for investment companies? Guide to holding investments through a limited company — dividends, capital gains, property, and filing your CT600.

corporation taxinvestment companyholding companydividendscapital gainsct600property investment
21 February 2026

UK Corporation Tax Rates: Complete History

Complete history of UK corporation tax rates from 1965 to 2026. See how rates have changed, key reforms, and what current rates mean for your limited company.

corporation taxtax ratesuk tax historyct600limited companyhmrcmarginal relief
21 February 2026

HMRC CT600 Online vs Software: Which Is Better?

Compare filing your CT600 through HMRC online vs commercial software. Learn the pros, cons, costs, and which option saves you time and money in 2026.

ct600hmrcfiling softwarecorporation taxonline filingtaxpipelimited company
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