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

91 results for “HMRC”Clear search
21 February 2026

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.

CT600dormant companynil returnHMRCcorporation tax
21 February 2026

iXBRL Accounts: What Are They and Why You Need Them for Your CT600

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.

iXBRLCT600HMRCaccountscorporation tax
21 February 2026

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.

HMRCcorporation taxonline accountGovernment Gateway
21 February 2026

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.

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21 February 2026

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 taxrecord keepingHMRCcompliancedigital recordslimited companyct600
21 February 2026

Director's Loan Account: Tax Implications

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.

directors loan accountDLAs455corporation taxoverdrawnbed and breakfastinglimited company
20 February 2026

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.

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20 February 2026

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.

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20 February 2026

Best CT600 Filing Software UK 2026 — Compared

HMRC's free filing tool closes March 2026. Compare the best CT600 filing software options — prices, features, and which one suits your company.

CT600filing softwarecomparisonHMRCcorporation tax2026alternatives
20 February 2026

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.

payment referencecorporation taxHMRCUTRpaymentdeadline
19 February 2026

What Happens If You Don't File Corporation Tax? Penalties, Interest, and How to Fix It

Missed your CT600 deadline? Learn about HMRC penalties (£100 to 10% surcharges), interest charges, how to appeal, and the fastest way to get back on track.

CT600penaltieslate filingHMRCcorporation taxdeadlines
19 February 2026

How to Register for Corporation Tax: Step-by-Step Guide for New Companies

Complete guide to registering your limited company for corporation tax with HMRC. Deadlines, what you need, UTR numbers, and what happens after registration.

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