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

4 results for “capital-allowances”Clear search
23 February 2026

CT600 Capital Allowances — AIA, Full Expensing, and Writing Down Allowances Explained

Complete guide to claiming capital allowances on your CT600. Covers Annual Investment Allowance (AIA), full expensing, writing down allowances, and which boxes to fill in.

ct600capital-allowancesaiacorporation-taxguide
23 February 2026

Capital Allowances on Your CT600 — AIA, WDA, and Full Expensing Explained

How to claim capital allowances on your CT600 for equipment, vehicles, and machinery. Covers AIA, writing down allowances, full expensing, and which CT600 boxes to use.

capital-allowancesct600aiacorporation-taxtax-relief
23 February 2026

Annual Investment Allowance (AIA): Claim £1M Tax Relief on Your CT600

How to claim Annual Investment Allowance on your CT600. £1 million limit, qualifying assets, how to calculate, and common mistakes.

ct600capital-allowancesaiatax-relief
21 February 2026

Corporation Tax on Goodwill & Intangible Assets

How goodwill and intangible assets are treated for Corporation Tax. Covers amortisation, writing-down allowances, rollover relief, and CT600 reporting.

corporation-taxintangible-assetsgoodwillct600capital-allowances