How Long Does HMRC Take to Process a CT600? Processing Times Explained
Find out how long HMRC takes to process your CT600 company tax return, when you'll get your tax calculation, and what to do if it's taking too long.
Plain-English guides to UK Corporation Tax and CT600 filing.
Find out how long HMRC takes to process your CT600 company tax return, when you'll get your tax calculation, and what to do if it's taking too long.
Received an HMRC enquiry about your CT600? What triggers enquiries, your rights, what HMRC can ask, and how to respond.
HMRC cancelled Making Tax Digital for Corporation Tax in July 2025. Here's what happened, what it means for your company, and what filing changes do affect you now.
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.
What iXBRL accounts are, why HMRC requires them with your CT600, and how to generate them without expensive software. Plain English guide for company directors.
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.
Understand HMRC corporation tax penalties for late filing and payment, how interest is calculated, and how to appeal. Complete guide for UK company directors.
What records your UK company must keep for corporation tax. Covers retention periods, digital records, HMRC inspection powers, and penalties for poor record keeping.
Complete guide to director's loan account tax implications. Covers overdrawn DLAs, S455 tax, bed and breakfasting rules, and how to stay compliant with HMRC.
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.
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.
HMRC's free filing tool closes March 2026. Compare the best CT600 filing software options — prices, features, and which one suits your company.