HMRC Corporation Tax Online Account: How to Set Up and Use It
Step-by-step guide to setting up your HMRC Corporation Tax online account. Register, activate, and manage your company tax — including how to file your CT600.
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Plain-English guides to UK Corporation Tax and CT600 filing.
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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.
Corporation Tax Record Keeping Requirements
What records your UK company must keep for corporation tax. Covers retention periods, digital records, HMRC inspection powers, and penalties for poor record keeping.
Corporation Tax Penalties & Interest Charges
Understand HMRC corporation tax penalties for late filing and payment, how interest is calculated, and how to appeal. Complete guide for UK company directors.
Company Share Buyback: Tax Treatment Guide
How UK company share buybacks are taxed. Covers income vs CGT treatment, capital distribution conditions, and when to use a share buyback for your limited company.
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.
CT600 Box by Box Guide: Every Section Explained in Plain English
A complete walkthrough of every CT600 box and section. Understand what each field means, which boxes apply to your company, and how to fill them in correctly.
Corporation Tax for Property Companies: A Complete Landlord Guide
Corporation tax for property companies. Mortgage interest relief, capital gains, allowable expenses, and filing your CT600.
How to Reduce Corporation Tax Legally: 12 Strategies for UK Companies
Discover 12 legal ways to reduce your corporation tax bill. From capital allowances to pension contributions, learn how to minimise what your company pays HMRC.
How to File Your CT600 Without an Accountant — Complete Guide
Step-by-step guide to filing your CT600 without an accountant. What you need, how to calculate tax, and how to avoid mistakes.
Corporation Tax Payment Reference — How to Pay HMRC Correctly
How to construct your Corporation Tax payment reference, HMRC bank details, payment methods, and what to do if you use the wrong reference.
Associated Companies — How They Affect Your Corporation Tax Rate
How associated companies change your Corporation Tax thresholds. What counts, what doesn't, dormant company exemption, and how to report them on your CT600.