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

187 results for “corporation tax”Clear search
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.

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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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20 February 2026

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.

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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

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.

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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

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.

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20 February 2026

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.

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20 February 2026

CT600 Filing Checklist — Everything You Need Before You Start

Complete checklist of every document, figure, and detail you need to file your Corporation Tax return. Print it, tick it off, file in 15 minutes.

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20 February 2026

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.

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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.

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20 February 2026

Closing a Limited Company — Your Final CT600 and What to Do

Step-by-step guide to closing your limited company. Final CT600, capital distributions, strike-off vs MVL, and the mistakes that cost directors money.

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