Topic module

Corporation Tax and Company Gains

The 16% syllabus area covering accounting periods, associated companies, adjusted profits, gains and Corporation Tax.

Long-form learning
Concept to Risk to Memory to Check-up

How to study the ACA Certificate Level

Use the current 2025-26 syllabus and exam pages, study every module, practise the relevant objective and scenario formats and keep ethics, sustainability and professional scepticism active across the whole level.

Core concepts

Concept 1

Identify the company's accounting period and relevant payment timing.

Exam cue: Define the information, person, entity and requirement relevant to corporation tax and company gains.

Concept 2

Recognise how associated companies affect straightforward Corporation Tax thresholds and dates.

Exam cue: Select the current ICAEW syllabus principle, apply it to the evidence and show any required calculation.

Concept 3

Adjust accounting profit for allowable and disallowable expenditure and capital allowances.

Exam cue: Check the conclusion for professional scepticism, ethics, sustainability and practical consequences.

Risk pitfalls and guardrails

Treating corporation tax and company gains as a definition list without applying the supplied facts.

Guardrail: Do not use a former module name, retired rule, unsupported assumption or answer that ignores evidence quality, ethics, sustainability or timing.

Using a former ACA module label, retired scope or unsupported rule instead of the current syllabus.

Guardrail: Do not use a former module name, retired rule, unsupported assumption or answer that ignores evidence quality, ethics, sustainability or timing.

Ignoring an assumption, data limitation, ethical issue, deadline or effect on the financial conclusion.

Guardrail: Do not use a former module name, retired rule, unsupported assumption or answer that ignores evidence quality, ethics, sustainability or timing.

Memory anchors

Corporation Tax and Company Gains - Scope

Identify the company's accounting period and relevant payment timing.

Corporation Tax and Company Gains - Rule

Recognise how associated companies affect straightforward Corporation Tax thresholds and dates.

Corporation Tax and Company Gains - Method

Adjust accounting profit for allowable and disallowable expenditure and capital allowances.

Corporation Tax and Company Gains - Risk

Calculate company chargeable gains and taxable total profits.

Corporation Tax and Company Gains - Action

Calculate Corporation Tax for a UK-resident company with a period of account of no more than 12 months.

Checkpoint rule

Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.

Knowledge Check (after reading)

Short check-up to confirm understanding of this module.

Check-up Questions

1-2 question checkpoint

What is the starting point for a company's trading-profit computation?

A company has accounting profit £120,000 after depreciation £14,000 and before capital allowances £20,000. Ignoring other adjustments, what is taxable trading profit?

Answer all questions to submit.

Next step personalized recommendations

Continue learning

Move forward only after this module is stable.

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