Mar 20 2026
White Collar Crime
The Financial Conduct Authority (FCA) has broad powers to investigate firms and individuals where it suspects regulatory breaches or misconduct in UK financial markets. However, investigations do not arise randomly. In most cases, they are triggered by specific events, intelligence or regulatory concerns.
Understanding what can lead to an FCA investigation can help firms and regulated professionals identify risk areas and ensure appropriate compliance measures are in place.
This article explains some of the most common triggers that may lead the FCA to open an investigation.
Want an in-depth guide to FCA investigations? Read our Ultimate guide to FCA investigations.
One of the most significant sources of regulatory intelligence comes from whistleblowers.
Employees, contractors or other insiders may report suspected misconduct directly to the FCA. These reports can relate to issues such as financial crime, market abuse, regulatory breaches or failures in governance and internal controls.
The FCA operates dedicated whistleblowing channels and treats credible reports seriously. Where allegations appear substantiated, the regulator may launch further enquiries or open a formal investigation.
The FCA actively monitors financial markets for unusual or suspicious trading patterns.
Market surveillance systems can identify behaviour that may indicate potential market abuse, including insider dealing or market manipulation. Where suspicious activity is detected, the regulator may investigate the individuals or firms involved.
These investigations often involve analysing trading records, communications and internal controls within the relevant firm.
Patterns of complaints from consumers can also trigger regulatory scrutiny.
Where complaints suggest systemic issues such as mis-selling, unfair treatment of customers or misleading communications, the FCA may investigate whether a firm has breached regulatory requirements or failed to comply with the FCA’s Principles for Businesses.
In some cases, investigations arise after the FCA identifies widespread harm affecting a particular sector or product.
Regulated firms are required to submit accurate and timely regulatory reports to the FCA.
Inconsistent data, late submissions or unusual reporting patterns may raise concerns for the regulator. These issues can prompt supervisory enquiries which may escalate into formal investigations if potential breaches are identified.
Failures in regulatory reporting may also indicate broader weaknesses in a firm’s compliance systems and governance structures.
The FCA frequently works alongside other UK and international regulators and law enforcement agencies.
Investigations may therefore arise following referrals or intelligence shared by:
Cross-border investigations are increasingly common, particularly where suspected financial crime involves international financial flows.
Not all FCA investigations begin with external complaints or intelligence.
During routine supervisory activity, the regulator may identify concerns about a firm’s conduct, governance, financial crime controls or compliance framework. These concerns can lead to further enquiries and, in some cases, formal enforcement investigations.
Supervisory reviews may also uncover issues relating to senior management accountability under the UK’s regulatory regime.
In some cases, firms themselves notify the FCA of potential regulatory breaches.
Regulated firms have obligations to be open and cooperative with the regulator. Where internal reviews identify serious issues, firms may report these voluntarily.
Self-reporting does not necessarily prevent an investigation, but it may influence how the FCA approaches enforcement action.
The FCA does not investigate every regulatory concern. Before opening a formal investigation, it assesses factors such as:
If the regulator decides that enforcement action may be appropriate, it may formally appoint investigators and begin gathering evidence.
Where a firm or individual becomes aware of potential regulatory scrutiny, early legal advice can be critical.
FCA investigations can involve complex regulatory obligations, compulsory information requests and interviews. Specialist legal advisers can assist in managing communications with the regulator, assessing regulatory exposure and developing an appropriate response strategy.
Want an in-depth guide to FCA investigations? Read our Ultimate guide to FCA investigations.
FCA investigations can be complex and involve significant risks, particularly where there are allegations of financial crime, regulatory breaches or market misconduct. Early legal advice is often critical in managing regulatory risk and protecting the interests of firms and individuals.
Gherson’s regulatory and investigations team advises clients facing scrutiny from UK regulators, including the Financial Conduct Authority. The firm regularly assists with responding to regulatory enquiries, managing FCA information requests, preparing for regulatory interviews and advising on potential enforcement action.
Where appropriate, Gherson also supports clients with internal investigations, compliance reviews and strategic engagement with the regulator.
If you believe your firm may be facing regulatory scrutiny, or you have received a request for information from the FCA, seeking specialist advice at an early stage can help ensure the most effective response.
What usually triggers an FCA investigation?
FCA investigations are commonly triggered by whistleblower reports, suspicious trading activity, consumer complaints, regulatory reporting issues or intelligence shared by other regulatory or law enforcement authorities.
Can a consumer complaint lead to an FCA investigation?
Yes. If the FCA identifies patterns of complaints suggesting potential regulatory breaches or widespread consumer harm, it may open an investigation into the firm or individuals involved.
Do firms have to report issues to the FCA themselves?
Yes. Regulated firms are expected to be open and cooperative with the FCA. If a firm identifies a serious regulatory breach internally, it may be required to notify the regulator.
Does suspicious trading automatically lead to an investigation?
Not always. The FCA monitors trading activity closely, but it will usually assess available evidence before deciding whether to open a formal investigation.
Can the FCA investigate individuals as well as firms?
Yes. FCA investigations can involve firms, senior managers, approved persons, traders and other individuals connected to regulated activities.
Will the FCA always notify a firm if it opens an investigation?
In many cases the FCA will issue a notice confirming that investigators have been appointed. However, the regulator may initially gather information before formally notifying those involved.
Does being investigated mean wrongdoing has occurred?
No. An investigation simply means the FCA is examining potential regulatory breaches. The outcome will depend on the evidence gathered during the investigation.
If you would like to speak to us in respect of any of the issues raised in this blog or about your specific circumstances, do not hesitate to contact us for advice, send us an e-mail, or alternatively, follow us on X, Facebook, or LinkedIn to stay-up-to-date.
The information in this blog is for general information purposes only and does not purport to be comprehensive or to provide legal advice. Whilst every effort is made to ensure the information and law is current as of the date of publication it should be stressed that, due to the passage of time, this does not necessarily reflect the present legal position. Gherson accepts no responsibility for loss which may arise from accessing or reliance on information contained in this blog. For formal advice on the current law please do not hesitate to contact Gherson. Legal advice is only provided pursuant to a written agreement, identified as such, and signed by the client and by or on behalf of Gherson.
©Gherson 2026
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