HMRC to raise £110m per year by cutting IHT relief on AIM shares

Will make gifting a more attractive option to investors

Isabel Baxter
clock • 2 min read

HMRC expects to raise at least an additional £110m in inheritance tax (IHT) per year by reducing the IHT relief currently available on alternative investment market (AIM) shares, according to private wealth and family law firm TWM Solicitors.

At present, qualifying AIM shares attract 100% relief from IHT, but this will be halved to 50% relief in April 2026. TWM Solicitors partner and head of private client Laura Walkley explained: "The IHT relief on AIM shares made them one of the more popular investment vehicles for reducing IHT. This change significantly impacts that strategy." The law firm noted that the reduction in IHT relief on AIM shares is viewed by many as a setback for UK growth companies that have relied on the AIM market to raise capital, often from private investors attracted to AIM by its IHT advantages. S...

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