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Market Effectiveness Update: Confirmed Changes to the UK Listing Rules and Prospectus Regime

In December 2021, the Financial Conduct Authority (FCA) published a policy statement (PS21/22) confirming key changes to the listing regime in the UK, which have entered force. Future changes to the interlinked prospectus regime were confirmed by HM Treasury in its response to the UK Prospectus Regime Review, which was published in March 2022.

The confirmed changes to the Listing Rules came into force on 3 December 2021 and are in response to the primary markets effectiveness review consultation (CP21/21)1, published in July 2021. Together with the August 2021 amendments to the Listing Rules affecting special purpose acquisition companies (SPACs)2, these changes address (i) the recommendations of the UK Listing Review3 chaired by Lord Hill and published in March 20214, and (ii) the Independent Strategic Review of UK fintech5 chaired by Ron Kalifa OBE and published in February 2021. HM Treasury’s response to the UK Prospectus Regime Review broadly confirms its intention to proceed with the various proposals consulted on in July 20216, which also follow the recommendations of the Hill Review. The changes are part of the Government’s wider plan to reform the UK financial services sector after Brexit and, specifically, to encourage more companies to list on UK markets.

This briefing summarises the key changes made to the Listing Rules and confirmed policy approach to the prospectus regime, and considers their potential impact.



As part of its aim to encourage innovative, founder-led growth companies to list on UK markets, the FCA has introduced a five-year exception to the “one share, one vote” premium listing principle that effectively prevents companies with dual class share structures from listing on the premium segment of the London Stock Exchange (LSE) Main Market7. A dual class share structure typically involves two classes of shares which are identical in all respects except for voting rights, where the “high vote” shares allow the holders to retain voting control over a company that is disproportionate to their economic interest in the company; and the “low vote” shares are held by outside investors on listing and conform with premium listing principles. The changes bring the UK regime closer to that of United States, where dual or multi-class voting is generally permitted on NYSE and Nasdaq exchanges, and is particularly common among founder-led technology companies.

Under the new rule, issuers applying for a premium listing are permitted to list with a specific kind of dual class share structure, which enables holders of unlisted high-voting shares to carry additional voting rights subject to certain conditions, including that:

  • they are held by one of the directors of the issuer at the time of the IPO (or a beneficiary of his or her estate following death); and
  • before a change of control8, they provide additional voting rights (no greater than 20:1 relative to the low-vote shares) only on a vote to remove the holder as a director (and not, therefore, a vote on any other matter); but after a change of control such additional voting rights may be cast on any vote (the intention being to enable the holder of the high-vote shares to deter a takeover).

The exception is available only to issuers seeking admission to the premium listing segment for the first time.

As noted above, the change will not enable the holder of the high-vote shares to retain absolute control before a change of control. For example, the additional votes could not be cast on proposals to appoint or remove other directors, or on other matters requiring a shareholder vote, whether under company law or the Listing Rules (such as authorising the board to allot shares and disapplying pre-emption rights that would otherwise apply on the allotment of shares; the triennial vote required to approve the company’s directors’ remuneration policy; significant acquisitions and disposals (i.e. Class 1 transactions), and related party transactions). In the US and some other markets (such as Amsterdam), by contrast, the additional votes may be cast on these matters (if a shareholder vote is required at all).


In July 2021, London-based money transfer fintech company Wise announced its direct listing to the standard segment of the Main Market. It was the first significant direct listing in London by a technology company9 and was significant in the context of the listing and prospectus consultations because Wise featured a dual class share structure and opted for a standard listing. On admission, Wise had two classes of shares, Class A shares and Class B shares. The Class A shares trade on the Main Market, whilst the Class B shares, which carry nine votes per share, were not admitted to listing or trading on any stock exchange and are non-transferable. The Class B shares carry no economic interest or right to dividends.

In September 2020, THG Holdings plc listed on the standard segment of the Main Market with a dual class share structure to enable its founder to hold a “special share” enabling him to deter an unwelcome takeover. Deliveroo plc also listed in London with a dual class share structure, in March 2021, but with a weighted voting rights structure designed to empower, and ensure that majority control resides with, the founder (or his permitted transferees) for so long as he holds the shares and is a director. These listings generated significant attention in the UK and shone a spotlight on the premium listing restrictions, which will have influenced these companies’ listing segment decisions. In changing the Listing Rules, Lord Hill and the FCA have tried to strike a balance between investor protection and sentiment – flexing the one share, one vote principle to encourage high profile premium listings in London whilst ensuring investor protection and avoiding long term founder entrenchment.

From a US perspective, the change to allow dual class share structures to list on the premium segment is particularly necessary for London to compete in attracting offerings by founder-led or “unicorn” companies, which overwhelmingly favour dual class or multi class voting structures. In 2020, dual class companies constituted approximately 60% of the market capitalisation of US IPOs despite making up only 15% of the total number of IPOs10. This trend is particularly true for high profile technology companies as evidenced by recent debut offerings by Airbnb, Lyft, Pinterest and Slack – all of which had dual or multi class shares and listed on either NYSE or Nasdaq.


The FCA has reduced the free float requirement, which applies to premium and standard listings, from 25% to 10% to remove a potential barrier to companies choosing to list in London. This requirement applies at the point of listing and as a continuing obligation.

Noting that shareholdings by individual shareholders of 5% or more are not treated as “public” under the Listing Rules (because they are assumed to be strategic holdings that do not provide liquidity), a 10% free float means that a company must have at least three public shareholders at the point of listing.


The FCA has increased the minimum market capitalisation (MMC) required for new listings on the premium and standard listing segments from £700,000 to £30 million because it considers that companies with a low market capitalisation are better suited for admission to junior or growth markets such as the LSE Alternative Investment Market (AIM) or the AQSE Growth Market11, and that the £700,000 minimum is out of date given market growth since its introduction in 1984. In its July consultation, the FCA had proposed a cap of £50 million but has reduced the threshold following feedback regarding the number of smaller companies considering a UK listing that may find £50 million too high. The FCA has also introduced transitional provisions to allow:

  • applicants that made a complete submission for a listing eligibility review on or before 2 December 2021 may continue to be able to formally apply for listing based on the previous MMC of £700,000, provided they do so within 18 months; and
  • shell companies (including SPACs) already listed at 3 December 2021 will be permitted listing applications following an acquisition to be made based on the previous MMC of £700,000, provided that complete submissions for an eligibility review for listing and a prospectus review are made on or before 1 December 2023. This means a listed shell company will have two years to find an acquisition target and reapply for listing with a £700,000 MMC; and
  • companies with existing classes of shares admitted to listing prior to 3 December 2021 and that continue to have at least one class of shares listed, to list additional classes of shares based on an MMC of £700,000.

The FCA believes that raising the minimum market cap to £30 million works alongside its reduced free float requirement to 10% (as above), to set a minimum free float for IPOs and direct listings of £3 million. This provides an additional safeguard to liquidity at IPO or, in the case of a direct listing, the point of introduction to the market.

While the increased minimum market cap applies only to new issuers, smaller listed SPACs need to consider the rule in relation to their re-admission following a de-SPAC acquisition.


The FCA has also made minor amendments to the Listing Rules, Disclosure Guidance and Transparency Rules, the Prospectus Regulation Rules and the FCA Glossary to simplify the FCA’s rulebooks and to reflect changes in technology and market practice.


The FCA was also consulting on the structure of the premium and standard listing segments of the LSE Main Market in order to understand what issuers and investors value the most in the current regime, but has not confirmed any structural changes at this stage. Broadly, premium listings are subject to the highest standards of regulation and a premium listing is a prerequisite for inclusion in the FTSE UK Index Series; whilst standard listings are subject to EU-derived minimum standards. Outside Main Markets, which are classified as “regulated markets” under relevant legislation, the UK also hosts a number of “growth markets” which are a sub-category of multi-lateral trading facilities (MTFs), as opposed to regulated markets. MTFs are principally regulated by the exchanges on which they operate, rather than the FCA. The UK’s growth market MTFs include AIM, which is regulated by the LSE; and the AQSE Growth Market (comprised of two segments, Access and Apex) which is regulated by the Aquis Stock Exchange (AQSE).12

The consultation in July sought views on different models for the structure of the UK listing regime including, at the most extreme end, creating a single segment with standards equivalent to the current standard segment and with additional admission criteria and continuing obligations set by trading venues (and, indirectly, index providers). The FCA says that it remains open-minded with respect to exploring the relationship between itself as regulator, the exchanges it operates, and the issuers and investment community it serves; and fundamentally trying to determine a commercial but investor-protective balance between its role and oversight, against that of operators of trading venues.


The FCA is not amending the current financial track record requirements for premium listings, which require historical financial information covering at least 75% of an issuer’s business for the last three years. Lord Hill had recommended amending the requirement so that it is only applicable to the most recent financial period within the three-year track record period, but the FCA had previously countered that any perceived benefit would be limited because of similar disclosure requirements under the prospectus regime, which requires companies to produce three years of historic financial information where they have been in existence that long. In the policy statement, the FCA emphasises particular feedback it received regarding examples of high-growth companies who find meeting the current track record requirements difficult (pre-revenue companies such as e-commerce and technology companies, acquisitive companies in the biotech, fintech and pharma sectors and other companies following a ‘roll-up’ acquisitive strategy) and has said that it accepts the significance of the issue for these types of company and will work to explore changes to its requirements.

Notably, there are current provisions within the Listing Rules that allow certain specialist companies (mineral companies, scientific-research based companies and property companies) to demonstrate their track record using alternative means to revenue generation or some other proxy for revenue generation.

Further, and since 2012, the US has allowed “emerging growth companies” (as defined in Exchange Act Rule 12b- 2) to take advantage of relaxed disclosure requirements in offering documents, including the provision of audited financial statements for the most recently completed two fiscal years (rather than three) and less extensive narrative disclosure.



Under the current regime, inherited from the EU13 and subject to specific exemptions, public offers and admissions to a regulated market in the UK are separate triggers requiring an FCA-approved prospectus to be published. In line with Lord Hill’s recommendations, HM Treasury is reforming the prospectus trigger requirements such that that listed companies will not need to publish a prospectus for public offers and the FCA will determine when a prospectus will be required for an admission to trading.

Currently, in order to be approved by the FCA, a UK prospectus must follow prescribed disclosure requirements, also derived from EU legislation, which aim to ensure that it includes all the necessary information which is material to an investor to make an informed investment assessment and decision. Those responsible for drawing up a prospectus are liable should they omit information required to be included or provide untrue or misleading statements in a prospectus.


The Government has confirmed that it will remove the general prohibition on requesting admission to trading on UK regulated markets without first having published an approved prospectus, and give the FCA discretion to determine whether or not a prospectus is required when securities are admitted to trading, including giving it the flexibility to establish rules and conditions equivalent to those which exist under the current regime, or which go further. The Government believes that a prospectus may not be needed in all instances where an admission occurs (such as during a secondary issuance of new securities) and that the FCA is the right body to determine if and when a prospectus is required, and what it should contain if one is required. The FCA will also have the discretion to recognise prospectuses prepared in accordance with overseas regulation in connection with a secondary listing in the UK.


Prospectuses will not be a feature of the public offerings regime following the reforms. In the new system, there will be a general prohibition on public offerings of securities against which there will be exemptions. A number of the exemptions will be carried forward from the current regime (specifically around “Qualified Investors” and offers to “fewer than 150 persons”) but exemptions will be expanded to cover companies with, or applying to have, securities admitted to trading on a UK regulated market or certain “junior markets” (such as AIM, the AQSE Growth Market or other MTFs).

Separately, the definition of “the public” (which is also inherited from the EU regime) will be changed to ensure that fundraisings to existing shareholders in a company are exempt and are not treated as public offers requiring a prospectus. This aims to remove a disincentive against offering shares to a company’s own shareholders which exists under the current regime.

The new public offer exemption will mean that all secondary issues, including rights issues, placings and open offers, will fall outside of the public offer prospectus requirement, with the aim of facilitating wider participation in companies, including by retail investors.

With respect to private companies, the Government intends to remove the current requirement for an FCA-approved prospectus on offers to the public over €8 million in size to be published. Instead, securities will be allowed to be offered to the public provided the offer is made through a platform operated by a firm specifically authorised for the purpose. In connection with this, the Government intends to create a new regulated activity covering the operation of an electronic platform for the public offering of securities, such as an equity crowdfunding platform.


HM Treasury has also confirmed its intention to proceed with other prospectus regime proposals as follows:

  • Prospectus content, specifically retaining the overarching EU derived requirement for prospectuses to contain the “necessary information” which is material to an investor making an informed investment decision but giving the FCA discretion to set the rules on detailed disclosure requirements and not having them set out in legislation. The FCA will have discretion to specify the component parts of the document should it wish to, as well as the detail of individual items of content. Similarly, the FCA will have discretion to determine how base prospectuses (which are used to launch issuance programmes for fixed income securities) will work or to establish the procedure for setting a final price in a price range prospectus.
  • Liability standards, specifically liability for forward-looking information in a prospectus will be aligned with liability for other listed company published information, so that liability is only incurred when a person knows a statement was untrue or misleading or were reckless as to whether it was, or if they knew an omission was dishonest. In addition, it will no longer be a criminal offence to apply for admission to trading on a UK regulated market without an FCA-approved prospectus.
  • Application of prospectus requirements to companies admitted to MTFs, such as AIM. A company doing an IPO on an MTF will be able to include a retail offer without breaching the prohibition on offering shares to the public and no prospectus will be required solely because there will be no offer to the public. As the shares will not be admitted to trading on a UK regulated market, no prospectus will therefore be required. However, as at present, an admission document will be required in accordance with the relevant MTF operator’s rules (e.g. the AIM Rules for Companies). This will not change the current system in which the operators of MTFs establish admission criteria and rules for the facilities they run, subject to FCA rules and oversight.


To effect the reforms, the Government needs to make various legislative changes to the Financial Services and Markets Act 2000. It has said it will do this when parliamentary time allows. The FCA will also need to consult on new rules, given its expanded responsibilities.


Our Corporate team is available to discuss any of these issues with you and answer any specific questions you may have. If you would like more information about the topics raised in this briefing, or a copy of our Guide to Premium Listings in London, please speak to your regular contact at Weil.

  1. Link to the Primary Markets Effectiveness Review Consultation,
  2. Link to Weil’s May 2021 client briefing on the SPACs consultation, and detail about the confirmed rule changes in policy statement (PS21/10), published in August,
  3. Link to the UK Listing Review,
  4. Link to Weil’s March 2021 client briefing on the Hill Review,
  5. Link to the UK Fintech Review,
  6. Link to UK Prospectus Regime Review Consultation,
  7. Please refer to the paragraph entitled “Listing segments” below for background on the premium and standard listing segments of the LSE Main Market.
  8. The FCA has introduced a new definition of change of control in this context which covers, broadly, the acquisition of more than 50% of the votes able to be cast on all or substantially all matters at general meetings of the company.
  9. A direct listing allows a company to be admitted to trading without the traditional route of an offering of shares and raising immediate capital. Existing shareholders are free to sell shares on the stock exchange at market-based prices and since there is no underwritten offering, a direct listing does not require the participation of investment banks acting as underwriters.
  10. Dual Class IPO Snap Shot 2017-2020 Statistics, Council of Institutional Investors, Note that the quoted figures exclude SPACs and real estate investment trusts (REITs).
  11. Please refer to the paragraph entitled “Listing segments” below for more information on these growth markets.
  12. The Aquis Stock Exchange also hosts a Main Market.
  13. The Prospectus Regulation, which governs the content, approval and publication of prospectuses, is the retained version of the EU Prospectus Regulation EU 2017/1129 and has applied in the UK since 31 December 2020.