How to Fill in SA108 — Capital Gains Summary for Self-Assessment (Box-by-Box Guide)
Step-by-step guide to filling in the SA108 Capital Gains Summary supplementary page for your UK self-assessment tax return.
How to Calculate UK Capital Gains Tax on Shares — The Complete 2025/26 Guide
Step-by-step guide to calculating UK Capital Gains Tax on shares for 2025/26. Covers HMRC share matching rules, Section 104 pools, the 30-day bed & breakfast rule, and SA108 filing.