CT600 Box by Box: The Income Section (Boxes 145-205) Explained
Detailed guide to every box in the CT600 income section. What goes where — turnover, trading profits, property income, chargeable gains, and total profits.
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Plain-English guides to UK Corporation Tax and CT600 filing.
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CT600 Box 155: Trading Profits — What Goes Here and How to Calculate It
Box 155 is the most important number on your CT600. Learn exactly what trading profits means, how to calculate it, and common mistakes to avoid.
Corporation Tax on Overseas Income: Guide
How UK companies pay corporation tax on overseas income. Covers foreign trading profits, dividends, rental income, double taxation relief, and CT600 reporting.