AIM is London Stock Exchange’s market for smaller, growing companies. Its shares can be harder to trade than those of large companies, and some tax rules differ from the Main Market’s.
Current shareholder perks
Our coverage includes the following companies with current perks.
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Chapel Down
AIM: CDGP
Annual voucher and tiered benefits 25% off From 1 share
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Mulberry
AIM: MUL
In-store shopping discount 20% off 500 shares or more
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Springfield Properties
AIM: SPR
Dividend-funded shopping vouchers Extra voucher value Check your dividend election
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The Artisanal Spirits Company
AIM: ART
Whisky society membership and vouchers £50 in vouchers each year From 1,000 shares
No companies match.
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Dealing considerations
Most AIM purchases are exempt from stamp duty
AIM shares qualify for an exemption from the usual 0.5% Stamp Duty Reserve Tax if they are not also listed on another market. A company with a listing elsewhere may therefore attract the tax even when you buy its AIM shares.
Check the price and the size of the quote
AIM shares can be difficult to buy or sell, and the gap between buying and selling prices can be wide. Before placing an order, check the price available and how many shares you can trade at that price.
Confirm ISA eligibility with your provider
Shares admitted to trading on AIM can qualify for a Stocks and Shares ISA because AIM is operated by London Stock Exchange, a recognised stock exchange. Confirm that your provider accepts the particular share you want.
AIM inheritance tax relief is limited to 50%
From 6 April 2026, business property relief on qualifying shares that HMRC treats as “not listed”, including AIM shares, is 50%. The £2.5 million allowance for other business and agricultural property does not extend to these shares.
An AIM company must retain its nominated adviser
AIM has its own rules, separate from the Main Market’s. Every company must retain a nominated adviser to meet them. If a company loses its adviser, trading is suspended; if it does not appoint a replacement within a month, its admission is cancelled. Your shares could therefore become untradeable at short notice.
Brokers and charges
Compare the dealing terms below for selected brokers. Before buying, check the issuer’s eligibility rules and ask your broker what help it provides with the claim.
AJ Bell
These charges cover UK retail clients with a Dealing account.
- How to deal
- You can deal online or by telephone.
- Dealing charges
- An online share trade costs £5.00, reduced to £3.50 after 10 or more share deals in the previous month. A telephone trade costs £25. AJ Bell publishes no separate AIM tariff.
- Other costs
- Holding shares costs 0.25% a year, capped at £3.50 a month. Qualifying AIM purchases are normally exempt from Stamp Duty Reserve Tax. Sterling shares carry no currency conversion charge.
AJ Bell: charges , checked
Hargreaves Lansdown
These charges cover UK retail clients with a Fund and Share Account, Stocks and Shares ISA or SIPP.
- How to deal
- You can deal online, through the app, by telephone or by post.
- Dealing charges
- An online share trade costs £6.95, reduced to £3.95 after 20 or more deals in the previous month. Telephone and postal trades cost £29 each. Regular monthly investing by Direct Debit carries no dealing charge. HL publishes no separate AIM tariff.
- Other costs
- Holding shares costs 0.35% a year, capped at £12.50 a month. AIM shares are normally exempt from Stamp Duty Reserve Tax if they are not listed elsewhere. Sterling shares carry no currency conversion charge.
Hargreaves Lansdown: charges , checked
interactive investor
UK-resident individual clients can use a Trading Account, ISA or SIPP on a Core, Plus or Premium monthly plan.
- How to deal
- You can deal online or by telephone.
- Dealing charges
- Standard online UK share trades cost £3.99 on Core or Plus and £2.99 on Premium. Orders over £500,000 have a different tariff. Telephone orders add £49 to the dealing commission. Plus includes £3.99 and Premium £5.98 of monthly trading credit, valid for 31 days. This credit cannot pay the telephone surcharge.
- Other costs
- Monthly plans cost £5.99 for Core (portfolios up to £100,000), £14.99 for Plus or £39.99 for Premium, whether or not you trade. Qualifying AIM purchases are normally exempt from Stamp Duty Reserve Tax. Sterling shares carry no currency conversion charge.
interactive investor: charges , checked