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.
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Plain-English guides to UK Corporation Tax and CT600 filing.
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HMRC CT600 Online vs Software: Which Is Better?
HMRC's free CT600 online filing service closed on 31 March 2026. Compare what it offered against commercial software, and see what your filing options are now.
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.
Limited Company Expenses You Can Claim
Complete guide to allowable limited company expenses for Corporation Tax. Covers office costs, travel, staff, professional fees, and what HMRC disallows.
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.
Corporation Tax for Startups: The Complete Guide for New Limited Companies
Corporation tax for startups. Registration, deadlines, expenses, R&D relief, first CT600 filing, and mistakes to avoid.
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.
Do I Need to File a CT600? When Your Company Must Submit a Tax Return
Find out whether your limited company needs to file a CT600 Corporation Tax return with HMRC. Covers dormant companies, new companies, losses, and exemptions.
Working from Home Tax Relief for Limited Companies: What You Can Claim
How to claim work-from-home expenses through your limited company. Flat rate method, actual costs, and allowable expenses.
Just Incorporated? Your First CT600 Timeline: Key Dates You Can't Miss
New limited company timeline: when to register for corporation tax, your first accounting period, CT600 deadline, and payment date.
How to File a Nil CT600 Return for a Dormant Company
Step-by-step guide to filing a nil Corporation Tax return for your dormant limited company. Avoid penalties — even dormant companies must file with HMRC.
Corporation Tax for Freelancers: A Complete Guide for Limited Company Contractors
Corporation tax guide for freelancers with a limited company. Covers allowable expenses, IR35, dividends, and filing your CT600.