Jas Jandu’s practice ranges from Regulatory Enforcement (with a focus on FCA / Financial Services, Banking and Payment Services cases) to Civil Fraud, Financial Crime and Commercial Litigation. He can also advise on related Administrative / Public Law matters.

As a former Commercial Litigation Solicitor & ex-FCA In-House Counsel, Jas has over 20 years’ experience of advising and acting for UK/international corporates, individuals or public bodies on matters of English law and complex High Court litigation with an international element.

He has been ranked as one of London’s Leading Junior Barristers in the Legal 500 in the fields of ‘Financial Services & Fintech Regulation’ (2023-25) and ‘Business & Regulatory Crime/Global Investigations’ (2023-24). Jas has been praised by his regulatory clients for “having sound judgement with a practical approach” and for “focussing on the things that matter.”

As an MCIArb, Jas is a Member of the world-renowned International Arbitration organisation, the Chartered Institute of Arbitrators, and shares its commitment to Arbitration as an alternative means of dispute resolution. He is also one of the SFO’s Panel Counsel and was appointed as a Recorder (part-time Judge) on the South Eastern Circuit in 2020.

Jas is qualified to accept suitable instructions from clients under the Direct Public Access Scheme, meaning that individuals and firms who require specialist advice can enquire directly with Jas as to whether he is able to act for them without involving Solicitors.

Professional Background & Experience

Before being called to the Bar in 2014, Jas was a Solicitor Advocate with over 10 years’ litigation experience. He was senior litigation lawyer and in-house counsel at the FCA where he developed specialist, advanced expertise in Financial Services Enforcement.

Whilst at the FCA, Jas worked on various Regulatory cases, Civil litigation and Criminal investigations. He advised across the FCA’s remit from authorisations to retail / wholesale financial matters, including presenting cases to the FCA Regulatory Decisions Committee.

Jas previously worked at several top-flight law firms acting on £multi-million Commercial Litigation cases across a range of sectors including International Media Events and Public-Private Sector Disputes. He trained at Allen & Overy with secondments at Liberty (Human Rights Law) and the High Court.

Jas mentors aspiring law students through the Social Mobility Foundation. He was educated at the University of Nottingham and his personal interests include Music & Art.

Expertise

Jas has particular expertise in Regulatory Enforcement (with a focus on FCA / Financial Services, Banking & Payment Services cases).

He has been ranked as one of London’s Leading Junior Barristers in the Legal 500 in the fields of ‘Financial Services & Fintech Regulation’ (2023-25) and ‘Business & Regulatory Crime/Global Investigations’ (2023-24).

Client testimonials include that he is ‘particularly knowledgeable in financial services’ and ‘has a fantastic grasp of technically challenging law and the ability to explain complex matters to clients.’

Jas was previously a senior Litigation Lawyer at the Financial Conduct Authority from 2009 to 2017 where he worked on Regulatory / Civil Litigation cases and Criminal investigations, advising across the whole of the FCA’s remit from Authorisations Refusals to Retail / Wholesale sector cases.

His work included presenting cases to the Regulatory Decisions Committee and defending the FCA in the Upper Tribunal, including FCA Enforcement actions taken against individuals for lack of integrity. He has advised on highly confidential Market Abuse and Money Laundering cases.

He also brought High Court proceedings for breaches of the ‘General Prohibition’ and ‘False & Misleading Statements’ made by Unauthorised Businesses and their Solicitors.

As a Solicitor himself, prior to joining the FCA, he advised innocent investors caught up in £Multi-Million Unauthorised Investment Schemes.

Notable Banking, Financial Services & Regulatory Enforcement cases


Financial Disputes & Enforcement Investigations (2024)

Advising on: an international shareholder dispute and regulatory change-in-control issues regarding an FCA-Regulated Fintech firm; proceedings brought against international online Spread Betting & CFD firms; and, an FRC-related investigation.


Confidential Regulatory Enforcement Investigations (2023)

Advising on FSMA issues, Payment Services law, Money Laundering Regulations concerns, Competition Law issues, Financial Ombudsman Service (FOS) jurisdiction and the calculation of Regulatory Fines.


PSR’s £1.82m fine of NatWest Group Banks (2022)

Advising the Payment Systems Regulator on various highly complex enforcement matters, including the PSR’s £1.82m enforcement fine issued against National Westminster Bank Plc, Royal Bank of Scotland Plc, Ulster Bank Ltd and Coutts & Company. The fine was levied on the four NatWest Group banks in 2022 for overcharging ‘interchange fees’ on credit cards.


Enforcement / Corporate Investigation: FCA-Authorised Firm

Instructed by a leading International Commercial Law Firm to advise on a complex, confidential internal audit / investigation at a major FCA-Authorised Financial Services Firm.


Advising Cryptoasset, E-Money, Credit, Debt & Insurance Firms

Instructed by Kingsley Napley to advise on FCA Authorisation & Anti-Money Laundering regulatory requirements and post-Brexit Payment Services issues in the cutting-edge areas of Financial Technology, E-Money & Cryptoassets. Advising Credit, Debt and Insurance Firms on FCA/PRA Regulatory Perimeter issues.


Enforcement Litigation: R. [FCA] v. Gopee (2019-20)

Advising the FCA (on secondment) in complex POCA Restraint & Confiscation proceedings resulting in a £5.1m Confiscation Order over criminal proceeds (arising from the Defendant’s criminal lifestyle & conviction for operating an illegal / unauthorised money lending business). Appearing as advocate for the FCA in a related claim in the Chancery Division of the High Court and successfully obtaining a full costs order against a Claimant. Assisting on connected High / County Court litigation including Judicial Reviews and claims by third parties.


Offshore Financial Services AML/CFT Compliance

Assisting on a confidential, complex and high-value offshore financial services Anti-Money Laundering & Counter-Terrorism Financing compliance review. Reporting on compliance and record-keeping effectiveness across a wide range of client files and assisting on a review of Corporate Governance issues.


Advising an Independent Financial Advisor

On the pre-action defence of potential professional negligence claims over pensions investment advice.


FCA v Capital Alternatives & Others [2018] (High Court, ChD); [2015] EWCA Civ 284

As FCA In-House Counsel, Jas had day-to-day conduct of this complex litigation culminating in a successful Trial in Summer 2017 following which the High Court ordered £16.9m+ to be paid back to investors. His work on this case involved applying for and policing several injunctions / undertakings as well as dealing with international law issues and numerous litigants in person / represented parties, including a Solicitor Defendant. Jas led successful pre-trial settlement negotiations with two of the 16 Defendants. He was also lead litigator for the earlier Preliminary Trial after which the Court of Appeal held these Carbon Credit and Land Schemes to be unauthorised Collective Investment Schemes under ss.19/235 FSMA 2000.


Confidential & Market Sensitive Regulatory FCA Cases

Advising the FCA as In-House Counsel on highly confidential cases of potential Market Abuse, early intervention cases over Regulated Firms concerning sensitive Money Laundering matters, FCA Voluntary / Own Initiative Requirements, Variations of Permission & Supervisory Notices.


FCA v Avacade Ltd & Others

Pre-action advice as FCA In-House Counsel in a complex High Court claim for alleged s.397/89 misleading statements and alleged breaches of s.19/21 (unauthorised business & financial promotions) in relation to self-invested personal pensions (SIPPs) and alternative investments.


FCA ban of Messrs Kelly & Gray (2016)

For lack of integrity concerning pension advice.


Authorisations & Refusals Cases

Including refusals for lack of fitness and propriety such as the case of Ms Bhandari (2015).


FCA action against Solicitor Mr Walker (2015)

Sentenced in 2015 to 5.5 years alongside seven others for his role in a fraudulent £4m+ unauthorised Collective Investment Scheme.


Upper Tribunal Ruling Re. Mr Allen (2015)

Full prohibition for lack of fitness and propriety for tendering false and misleading evidence in Court.


£500k FCA fine of Reckitt Benckiser (2015)

For listing rule failures.


£2.8m FCA fine of Policy Administration Services Ltd (2013)

For poor complaints handling re. insurance policies sold by Phones 4u.


FCA Decision to issue SIF Prohibition to Mr Rosier (2013)

For regulatory failings.


£175K FSA fine of Nestor Healthcare Group (2013)

For ‘clearance to deal’ failings.


£113K FSA fine of Co-op Bank Plc (2013)

For failure to handle PPI complaints fairly.


Jas has expertise in Civil Fraud, Financial Crime and related Regulatory / Compliance offences. He is a member of the SFO’s Counsel Panels.

He has also been ranked as one of London’s Leading Junior Barristers in the Legal 500 for ‘Business & Regulatory Crime / Global Investigations’ (2023/24 editions). Client testimonials include that he ‘has a fantastic grasp of technically challenging law and the ability to explain complex matters to clients.’

Jas was previously a Senior Litigation lawyer and In-House Counsel at the FCA from 2009-17, where he advised on various Civil and Criminal ‘Fraud’, ‘Misleading Statements’ and ‘Market Abuse’ cases.

Notable Civil Fraud & Financial Crime cases


[FCA] v Gopee (2019-20)

Advising and assisting the FCA (on secondment) in complex POCA Restraint & Confiscation proceedings resulting in a £5.1m Confiscation Order over criminal proceeds (arising from the Defendant’s criminal lifestyle & conviction for operating an illegal / unauthorised money lending business).


UK & Offshore Anti-Money Laundering Cases

Advising on UK Anti-Money Laundering Regulations and Proceeds of Crime Act requirements/offences. Advising on a confidential, complex and high-value offshore financial services Anti-Money Laundering & Counter-Terrorism Financing compliance review (reporting on compliance and record-keeping effectiveness across a wide range of client files and assisting on a review of Corporate Governance issues).


Operation Cotton (2015)

Assisting on the investigation which culminated in an FCA prosecution in 2015. Investors had lost over £4m in an unauthorised Collective Investment Scheme and the case resulted in eight convictions.


R v Meeson & Ors (2013)

Assisting on the initial FCA investigation culminating in the prosecution of a £5m tax fraud perpetrated by a former Tax Association President and others; investigated by the FCA, HMRC and the Pensions Regulator.


Civil Fraud Litigation

Acting for various parties as a Commercial Litigation Solicitor, including advising a UK prison operator in a civil claim for £200k+ embezzled by a payroll manager & advising parties in relation to various ‘boiler room fraud’ cases.


Jas is well-placed to assist on Business & Commercial disputes. He has experience of advising on complex High Court cases with an international element, representing clients on County Court matters and in Mediations/Alternative Dispute Resolution. He is also a member of the world-renowned International Arbitration institute, CIArb.

He previously advised on High Court litigation as In-House Counsel at the FCA and as a Commercial Litigation Solicitor at several top-flight law firms on a wide range of matters.

Notable Commercial Litigation & Arbitration cases


Shareholder Dispute Re. Financial Services Firm (2024)

Advising on an international shareholder dispute/potential arbitration regarding a Fintech/Financial Services firm.


Claimant v IG & Others (2024)

Advising on County Court proceedings brought against international online Spread Betting & CFD firms.


Limited Company v Viola Money (Europe) Ltd

Representing a business taking action against a financial services firm in the County Court.


Advising Foreign Government Re. High Court Claim

Advising on regulatory issues connected to Commercial Litigation in the High Court in England.


FCA High Court & County Court Claims (2019-20)

Advising the FCA (on secondment) on various claims brought in the Business & Property Courts and Central London County Court by consumers / third parties against various insolvent companies connected to an FCA prosecution. Appearing as advocate for the FCA in the Chancery Division of the High Court and successfully obtaining a full costs order against a Claimant (following strike out of an abusive proprietary claim over restrained funds). Legal issues advised on included bona vacantia, declarations of unenforceability of loans, general civil restraint orders, civil appeals and the interplay between Civil and Criminal jurisdictions.


Just Cash Flow Plc v Director & Construction Company

Successfully defending a Director and his Construction Company (both victims of ‘identity fraud’) in a contractual loan guarantee claim brought against him inappropriately by a business loan finance company.


International Global Technology Company

Advising an International Global Technology Company on potential legal risks of a commercial relationship with a high profile third party.


FCA v Capital Alternatives & Others [2018] (High Court, ChD); [2015] EWCA Civ 284

Jas had day-to-day conduct of this complex litigation from 2012-17 whilst working at the FCA. The case culminated in a successful Trial in Summer 2017 following which the High Court ordered £16.9m+ to be paid back to investors. His work on this case involved applying for and policing several freezing injunctions / undertakings as well as dealing with international law issues and numerous litigants in person / represented parties, including a Solicitor Defendant. Jas led successful pre-trial settlement negotiations with two of the 16 Defendants following a Preliminary Trial and a successfully defended appeal to the Court of Appeal on which he also advised.


Media & Events: Ram Media Ltd v Greek MoC [2008] EWHC 1835 (QB)

Acting as the Claimant’s Solicitor in a claim against the Greek Ministry of Culture regarding a TV show and media contract claim arising from the cancellation of the 2006 FIFPro international footballer awards. The case resulted in a €2.7m judgment and third party debt order against the Greek Ministry Of Culture.


International Arbitration: Synthetic-Gas Plant Disputes

Acting as Solicitor for a contractor in a Singapore International Arbitration Centre case concerning a facility in China and gathering evidence in Holland under the International Bar Association Rules.


International Construction: Wembley National Stadium (2006-7)

Advising as Solicitor on adjudication claims brought by the Football Association against Multiplex arising from delays to the £750m+ stadium.


Public-Private Sector: DeVilbiss Medequip v NHS PASA & Ors [2005] EWHC 1757 (ChD)

Acting as Solicitor to the Claimants challenging the Home-Oxygen tendering process run by the NHS public procurement agency.


Other Commercial Litigation Cases

Advising as Solicitor on: international commodity trading claims concerning time-bar clauses, liability exclusions, inspection clauses & potential recovery from insurers; defending an intellectual property claim against a garden furniture manufacturer for alleged un/registered design right infringements, resolved through mediation; advising on £multi-million claims for Public Authorities in disputes with, e.g., Private Finance Initiative Contractors.


As a former Commercial Litigation Solicitor & ex-FCA In-House Counsel, Jas has over 20 years’ experience of advising and acting for UK/international corporates, individuals or public bodies on matters of English law and complex High Court litigation with an international element. He is also a member of the world-renowned International Arbitration institute, CIArb.

He spent 8 years from 2009-2017 as a senior investigation / litigation lawyer and in-house counsel at the Financial Conduct Authority. During his time at the FCA, Jas worked on various regulatory cases, civil litigation and criminal investigations with international issues.

Jas also previously worked as a Commercial Litigation Solicitor at several top-flight, international law firms where he advised on a wide range of international disputes.

Notable International Disputes cases


Shareholder Dispute Re. Financial Services Firm (2024)

Advising on an international shareholder dispute/potential arbitration regarding a Fintech/Financial Services firm.


C v Ethias (Conflict Of Laws)

Defending C against an application made by a Belgian insurance company in a civil/tort case to set aside Particulars Of Claim under the “first seised” doctrine and the Recast Brussels Regulation (EU Reg. 1215/2012).


Offshore Financial Services Cases

Assisting on complex disclosure in off-shore litigation between shareholders of a Financial Services firm. Assisting on a confidential, complex and high-value offshore financial services Anti-Money Laundering & Counter-Terrorism Financing compliance review (reporting on compliance and record-keeping effectiveness across a wide range of client files and assisting on a review of Corporate Governance issues).


Advising an incoming EEA e-money firm

On payment services passporting issues, post-Brexit planning and UK FCA authorisation requirements.


FCA v Capital Alternatives & Others [2018] (High Court, ChD); [2015] EWCA Civ 284

As FCA In-House Counsel, Jas had day-to-day conduct of this complex litigation culminating in a successful Trial in Summer 2017 following which the High Court ordered £16.9m+ to be paid back to investors. The case involved applying for and policing several injunctions/undertakings over assets in the UK and abroad as well as dealing with related international law issues.


FCA ban of Messrs Kelly & Gray (2016)

For lack of integrity concerning pension advice (which involved consideration of related international issues).


Ram Media Ltd v Greek MoC [2008] EWHC 1835 (QB)

Acting as the Claimant’s Solicitor in a claim against the Greek Ministry of Culture regarding a TV show and media contract claim arising from the cancellation of the 2006 FIFPro international footballer awards. The case resulted in a €2.7m judgment and third party debt order against the Greek Ministry Of Culture.


Synthetic-Gas Plant Arbitration

Acting as Solicitor for a contractor in a Singapore International Arbitration Centre case concerning a facility in China and gathering evidence in Holland under the International Bar Association Rules.


Wembley National Stadium (2006-7)

Advising as Solicitor on adjudication claims brought by the Football Association against Australian contractor Multiplex arising from delays to the £750m+ stadium.


Jas can advise on Administrative & Public Law issues (including Judicial Review matters) which may arise in connection with his other practice areas.

He has experience of advising both Claimants and Defendants in cases involving public authorities and his involvement in large-scale, complex investigations also make him well-suited to advise on Public Inquiries.

He previously worked as in-house counsel in the Enforcement Division of the Financial Conduct Authority from 2009-17 where his day-to-day work included advising on Administrative / Public Law issues such as use of statutory powers (e.g. in the conduct of investigations and proceedings) in various cases.

Prior to joining the FCA, Jas worked at several law firms as a Solicitor where he also advised and assisted on a wide range of matters including Public-Private Sector disputes (such as £multi-million claims brought by Public Authorities against PFI contractors).

As a Trainee Solicitor at Allen & Overy LLP, Jas was seconded to Liberty (National Council for Civil Liberties) where he assisted on various Human Rights cases including claims before the Social Security Commissioners (childcare tax credits discrimination) and the Investigatory Powers Tribunal.

Notable Administrative & Public Law cases


Misfeasance / Misconduct In Public Office

Advising on potential claims against investigatory / regulatory bodies following the discontinuance of a regulatory prosecution.


Judicial Review: R. (Gopee) v FCA & Others (2019-20)

Advising the FCA (on secondment) in successfully defending an application for Judicial Review in the High Court and advising on related Judicial Review matters in which the FCA appeared as an Interested Party.


DeVilbiss Medequip v NHS PASA & Ors [2005] EWHC 1757 (ChD)

Acting as Solicitor to the Claimants challenging the Home-Oxygen tendering process run by the NHS public procurement agency.


R (Stanley, Marshall & Kelly) v Met Police Comm. & Anr [2004] EWHC 2229 (Admin)

Assisting Liberty’s legal team acting for the Claimants in a Judicial Review of ASBO publicity and alleged breach of privacy (as a seconded Trainee Solicitor).


Jas is able to accept instructions directly from members of the public, companies and other entities through the public access scheme (also known as direct access). He has acted, advised and drafted pleadings and documents for a number of individuals and small and medium sized businesses on a direct access basis. He is happy to accept instructions on a direct basis in appropriate cases. If you wish to instruct Jas on a direct basis, please speak to the practice managers.

For more information on public access, please see the Bar Council website.

‘Jas is a real standout practitioner in relation to his in-depth knowledge of financial services regulation, including fintech regulation developed from his previous work at the Financial Conduct Authority. He is a truly a safe pair of hands when it comes down to the really knotty financial services issues.’ - Financial Services Regulation

Legal 500 2025

London Bar Leading Junior (Tier 3) in 'Financial Services Regulation' and 'Business & Regulatory Crime/Global Investigations'

Legal 500 2024

"Jas has a wealth of regulatory experience, enabling him to quickly identify key legal issues arising from evidential requirements and policy challenges. He has excellent attention to detail and showed himself to be constructive and positive in advising on how both to take the case forward whilst strategically highlighting areas of policy that required further substantial development."

Legal 500 2024

"Jas is particularly knowledgeable as regards financial services in relation to payments and enforcement action against financial institutions operating in the retail sector…"

Legal 500 2023

"Has a fantastic grasp of technically challenging law and the ability to explain complex matters to clients."

Legal 500 2023

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