Shareholder Protection Insurance Tax TreatmentHMRC Rules Explained

Under HMRC BIM45530, shareholder protection insurance premiums are not deductible for Corporation Tax. The reason is fundamental: the policy exists to fund the purchase of shares (a capital asset), not to protect trading profits. HMRC treats this as capital expenditure, which falls outside the scope of allowable deductions.

This contrasts directly with key person insurance tax treatment. Under HMRC BIM45525, key person insurance premiums are generally deductible because they protect trading profits rather than capital value. The distinction is critical:

• Key person insurance (BIM45525): Protects profits → trading expense → deductible
• Shareholder protection (BIM45530): Funds share purchase → capital purpose → NOT deductible

The ABI reports that UK insurers paid \u00a38 billion in protection claims in 2024, including shareholder and business protection policies.

While premiums are not deductible, careful structuring can still optimise the overall tax position:

• Own-life policies in trust: Each shareholder takes out a policy on their own life, written in trust for the other shareholders. Proceeds fall outside the estate for IHT.
• Cross-option agreements: Use options (not obligations) to preserve Business Property Relief. See our detailed guide to cross-option agreements.
• Life of another policies: Alternative structure where each shareholder owns a policy on the other's life. Simpler but less flexible.

As Drewberry's tax guide notes, the non-deductibility of premiums should not deter shareholders from arranging protection — the alternative (an unprotected share transfer) can be far more costly.