AIM - Rules & regulations


AIM, and the Nominated Advisers (Nomads) who help companies to join the market, are regulated by a team of specialists at the London Stock Exchange.

This team of market specialists, "The AIM Regulation team", monitors companies on a continuing basis as well as overseeing the Nomad community. The team is made up of a mixture of qualified lawyers, chartered accountants and corporate finance professionals, all of whom are experts in their respective fields and have a full understanding of the needs of smaller growing companies.

A company applying to join AIM is required to appoint one of our authorised Nomads to advise it. Nomads act as the principal quality control mechanism for AIM, and they carry out checks on companies before agreeing to sign a declaration that the particular company is appropriate and ready to come to AIM.

Click here to find out more about the role of a Nomad in an AIM flotation.


The AIM Regulation team forms part of the overall Exchange AIM team. It is the responsibility of the Nomad to advise the AIM Regulation team on day-to-day regulatory matters, so companies do not need to deal directly with it.


AIM rules

AIM has its own rulebook, which consists of succinct rules, schedules and guidance notes. The rules are clear and concise, and have been written in plain English to make them as transparent and comprehensible as possible to all professional market participants. The rulebook is updated via an ongoing process of consultation between the Exchange and the AIM community, to ensure that the rules are pragmatic and practicable, and that they remain appropriate for smaller growing companies.

Click here to download the AIM Rules for Companies.


The Exchange issues Notices to inform the market of:
square bullet rule consultations
square bullet rule confirmations
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post-consultation guidance on topical matters

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administrative matters relating to the operation of
the market



Click here to subscribe to AIM Notices.

Click here to view all AIM Notices.

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