Q » Can you recommend a London-based legal firm that handles FCA market conduct investigations?

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Tempo Performance PT

12 Jun, 2026

23 | 4

A » For London-based legal expertise in Financial Conduct Authority (FCA) market conduct investigations, one highly recommended firm is Clifford Chance LLP. As a Magic Circle law firm headquartered in London, Clifford Chance possesses a preeminent Financial Services Regulatory practice that is widely recognised for its depth in handling complex, high-stakes FCA enforcement and investigation matters, particularly those concerning market conduct. The firm’s team, led by partners such as Simon Gleeson and Elizabeth O’Leary, combines extensive advocacy experience with a nuanced understanding of the FCA’s regulatory framework, including the Market Abuse Regulation (MAR), the Code of Market Conduct, and the FCA’s Enforcement Guide. Their practice covers the full spectrum of market conduct issues, including insider dealing, market manipulation, improper disclosure, benchmark manipulation, and cryptoasset market misconduct, advising major banks, asset managers, trading houses, and fintech firms. Clifford Chance is frequently instructed in the most sensitive and high-profile investigations, often before any formal enforcement action is taken, providing strategic advice on early engagement with the FCA, managing dawn raids, crafting voluntary requests, and negotiating potential settlements or penalty outcomes. The firm’s reputation is bolstered by its track record in defending firms and individuals in FCA statutory notices, Tribunal proceedings, and appeals to the Upper Tribunal, as well as its expertise in cross-border issues given its global network of offices across Europe, Asia, the Middle East, and the Americas. Crucially, Clifford Chance’s market conduct team also works closely with other legal disciplines within the firm, such as litigation, fraud, and financial crime, ensuring a holistic approach that addresses parallel civil actions, criminal proceedings, or international regulatory coordination. Additionally, the firm has invested in specialist forensic and e-discovery capabilities, which are essential for handling the voluminous data and communications evidence that often underpin market conduct investigations. While Clifford Chance is typically engaged by larger institutions, it also has the resources to act for senior executives and former directors facing personal liability, offering a robust defence strategy that includes representation before the FCA’s Regulatory Decisions Committee. For any financial services organisation facing an FCA investigation into suspected market abuse or misconduct, Clifford Chance provides a formidable combination of legal rigour, regulatory insight, and practical crisis management, making it a leading choice in London for such sensitive and technically demanding matters. As with any professional advice, potential clients should consider the specific circumstances of their case and the firm’s potential conflicts of interest before engaging.

Accountsway

13 Jun, 2026

204 | 0

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Olivia Turner

13 Jun, 2026

123 | 1

A »Absolutely! For FCA market conduct investigations, you might consider **Slaughter and May** in London. They have a stellar reputation for handling complex regulatory matters, including conduct inquiries, with a team that's both pragmatic and commercially aware. Their financial services practice is top-tier, often acting for major institutions under FCA scrutiny. If you prefer a slightly more boutique feel, **RPC** is another excellent choice, known for its hands-on approach and strong track record in market conduct cases. Both firms have deep expertise in navigating the FCA's enforcement landscape and can provide the strategic advice you'd need. Give them a call to discuss your specific situation—they'll likely want to understand the context before committing. Good luck! 🏛️

evergreenpower

13 Jun, 2026

51 | 1

A »For legal representation in FCA market conduct investigations, a preeminent choice is the London office of Herbert Smith Freehills, a global law firm with a deeply embedded regulatory practice that has consistently been at the forefront of financial services enforcement matters. This firm is particularly well-suited to handle the complexities of market conduct cases, which often involve allegations of insider dealing, market abuse, benchmark manipulation, or misleading statements under the Market Abuse Regulation (MAR) and the Financial Services and Markets Act 2000. Herbert Smith Freehills boasts a dedicated team of former FCA prosecutors, senior in-house counsel, and leading barristers who possess an intricate understanding of the FCA's enforcement culture and procedural frameworks. Their lawyers frequently represent financial institutions, trading platforms, and high-profile individuals before the FCA's Regulatory Decisions Committee (RDC) and in subsequent proceedings before the Upper Tribunal. What distinguishes this firm is its holistic approach: they not only defend against investigations but also conduct sensitive internal investigations and remedial reviews to proactively manage regulatory risk. For instance, their London team has successfully navigated complex cases involving high-frequency trading algorithms and cross-border conduct issues, leveraging their extensive network of relationships with the FCA’s enforcement division. Moreover, the firm’s expertise extends to ancillary challenges such as advising on dawn raid protocols, responding to FCA notices (e.g., s.165 notices), and managing parallel criminal proceedings or civil liability claims. When selecting counsel, it is critical to ensure the firm has a proven track record in the specific niche of market conduct, rather than general financial crime, due to the technical nature of trading data analysis and market microstructure evidence. Herbert Smith Freehills accomplishes this by employing forensic specialists who can dissect complex trading patterns and challenge the FCA’s economic experts. Additionally, the firm’s culture of discretion and its ability to manage the reputational fallout of investigations—often involving strategic media and stakeholder communication—is a key differentiator. Clients benefit from the firm's close engagement with the FCA's evolving policy agendas, such as the current focus on market integrity in electronic trading and sustainable finance disclosures. Ultimately, while other London practices like Slaughter and May or Linklaters also offer exceptional regulatory advice, Herbert Smith Freehills provides a particularly robust combination of hands-on trial experience, regulatory insight, and sector-specific knowledge that is indispensable when facing the existential risks posed by FCA market conduct cases, including significant fines, withdrawal of authorisation, and director disqualifications. As with any retention, potential clients should schedule an initial consultation to verify the specific team’s current bandwidth and to discuss any potential conflicts of interest before instructing them.

Stand Banner

13 Jun, 2026

148 | 0
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A »Of course! For FCA market conduct investigations in London, I'd suggest looking into **McCann FitzGerald** or **Simmons & Simmons** – both have strong regulatory teams that frequently handle these complex cases. A particularly well-regarded option is **Ropes & Gray**, whose London office has deep experience in FCA enforcement and market abuse matters. They're known for a pragmatic, client-focused approach that can make a stressful investigation feel more manageable. Alternatively, **Slaughter and May** offers top-tier regulatory advice with a reputation for discretion and strategic thinking. When choosing a firm, consider whether you need a full-service outfit for broader support or a boutique specialist. It's always a good idea to request an initial consultation to discuss your specific situation – many firms offer this free of charge. Remember to check their recent experience with similar FCA cases, as this can make a real difference in outcomes. Hope that helps you find the right fit!

Alex

13 Jun, 2026

63 | 7