Your accounts and your tax bill start from different questions. The add-backs, the income taxed elsewhere, full expensing, and how trade profit becomes taxable total profits, with a full worked example.

Forming a company does not start the tax clock. Who owes corporation tax, how residence is decided, and what actually begins an accounting period, with a worked example of the split.

Retain the freehold and incorporation relief fails on everything. How a joint gift relief election fills the gap, why it reduces a different base cost, and when to disapply the relief.

Take part of the value as a loan instead of shares and incorporation relief shrinks by the same proportion. How the formula works, and why goodwill never gets the reduced rate.

Moving your business into a company triggers CGT at market value. How incorporation relief rolls the gain into your new shares, the three strict conditions, and what breaks the relief entirely.

A let property or portfolio inside your company restricts gift relief on a share gift. How the chargeable business assets fraction is calculated, with a worked example and the BADR comparison.

Charge a relative below market value and gift relief covers only part of the gain. The cash profit above your cost is taxed immediately; the gift element defers. A worked example.

A gift triggers CGT at market value even with no cash received. How gift relief transfers the gain into the recipient's base cost, what qualifies, and the 2025 holiday let change.

Rollover relief only works if both assets are on the statutory list. What qualifies, why shares never do, the 2025 holiday let change, and the mixed use calculation, with an example.

Understand The Rollover Relief Rule That Taxes It First 2026/27 and learn how reinvestment impacts your capital gains.