Government Urged to Reinstate Tax Relief as FTSE AIM Markets Face Company Exodus

3 min read | June 19, 2025 09:35 AM BST | By Team Kalkine Media

Highlights

  • Inheritance tax relief reduction triggers renewed concerns over future of FTSE AIM-listed firms

  • London Stock Exchange calls for Government incentives to retain companies on the AIM market

  • Overhaul in pension fund allocations could play key role in stabilising domestic listings

The FTSE AIM UK 50 INDEX and FTSE AIM 100 Index are witnessing intensified pressure as numerous firms plan exits following changes to inheritance tax policy. The AIM segment, widely recognised for hosting growth-oriented enterprises, has seen continued attrition in listings, as more entities delist, migrate to other markets, or are acquired.

Government Tax Reform Sparks Industry Response

A policy shift announced in the previous autumn Budget, reducing the inheritance tax relief on (LSE:AIM) shares, has prompted a direct appeal to policymakers. The change, scheduled to come into effect next April, is viewed as a pivotal concern for many firms listed under the AIM category. This relief, once a compelling aspect of the market’s appeal, has played a notable role in attracting shareholders.

According to market representatives, the reduction could further accelerate departures from the junior market, already challenged by delistings and limited new listings over recent years. The head of UK primary markets at the London Stock Exchange has publicly addressed the situation, advocating for restored financial measures to support market stability.

AIM Listings Decline Amid Competitive Pressures

The shift away from AIM is not solely attributed to taxation adjustments. Broader structural factors, including acquisitions by overseas companies and moves to go private, have contributed to the listing decline. The London junior market, despite marking its thirtieth anniversary, continues to see more companies exiting than entering, compounding concerns about long-term viability.

Firms listed under LSE:AIM are increasingly evaluating strategic alternatives, with a significant volume already confirming departures. The aggregate capitalisation of the entities leaving the market underscores the scale of the issue.

Call for Pension Funds to Support Domestic Growth

In parallel with tax discussions, there is a renewed focus on how pension fund allocations can support locally listed firms. Current commentary highlights the importance of domestic institutional backing for UK-based enterprises, particularly those in earlier stages of development or operating in innovation-driven sectors.

While international institutions are often active in these listings, the view is that greater alignment from domestic pension structures could provide essential reinforcement. Officials from the exchange underline that support from within the UK financial system is critical for sustaining the junior market’s unique role.

Need for Long-Term Incentives to Encourage Retention

Market leaders believe that ensuring continuity and offering specific incentives will be vital for the AIM segment to retain its relevance within the broader FTSE framework. As companies weigh the costs and benefits of maintaining a listing under FTSE AIM 100 Index criteria, government policy is seen as a decisive factor.

Despite mounting challenges, there remains significant advocacy for restoring supportive measures that previously distinguished AIM from other global alternatives. Industry voices emphasise the urgency of stabilising the framework to prevent further contraction.


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