Capital Gains Tax Guide: Selling Shares

March 23, 2026 · WOWERI

Selling shares may mean you need to pay Capital Gains Tax. Find out how it works and how to file. Capital Gains Tax is incurred when you sell or dispose of shares.

Introduction to Capital Gains Tax

Selling shares may mean you need to pay Capital Gains Tax. This tax is incurred when you sell or dispose of shares. In this guide, we will explain how Capital Gains Tax works and how to calculate it.

Calculate Capital Gains Tax

To calculate Capital Gains Tax, you need to know the purchase and sale price of the shares. You can find this information in your sales contract or broker's report.

Filing a Return

After calculating Capital Gains Tax, you need to file a return with the tax authority. You can do this online or by mail. Make sure you keep all necessary documents, including the sales contract and broker's report.

Source: gov.uk