Andrew is an award-winning Isle of Man Advocate dealing with a broad range of disputes but specialising in complex matters relating to fraud, professional liability, breaches of fiduciary duties, shareholder disputes, proceedings under the Proceeds of Crime Act (including civil recovery, restraint and confiscation proceedings), and regulatory proceedings.
Andrew also has a wealth of experience dealing with complex trust, property, contractual, and high-value estate disputes, and liquidations.
Andrew deals with a broad range of employment disputes, including unfair and wrongful dismissal, redundancy, whistleblowing and discrimination.
Andrew deals with applications for Norwich Pharmacal Orders and interim relief, including freezing injunctions, and is skilled in applications to register and enforce foreign judgments.
He has represented clients in the High Court, the Appeal Court, the Privy Council, and in the criminal courts, in addition to the Employment Tribunal, Advocates Disciplinary Tribunal and the Licensing Court.
Expertise
- Trial and courtroom advocacy
- Dispute resolution
- Fraud
- Professional liability
- Breach of fiduciary duties
- Shareholder disputes
- Proceedings under the Proceeds of Crime Act (civil recovery, restraint and confiscation)
- Regulatory proceedings
- Employment disputes
- Trust disputes
- Property disputes
- Contractual disputes
- Estate disputes
- Liquidations
- Freezing injunctions
- Norwich Pharmacal Orders
- Registration and enforcement of foreign judgments
- Debt recovery
Experience
Breach of Fiduciary Duties
- Acted for the defendant in high-profile complex fraud/breach of directors’ duties proceedings alleging fraud against the billionaire director of a publicly listed Indian company with damages claimed in excess of £350m.
- Successfully represented a firm of advocates in defending a claim brought against it for damages in the sum of £2m, as a result of an alleged breach of contract, breach of fiduciary duty and negligence.
- Advised a shareholder in a claim against three of his fellow shareholders (who were also holding the shares in trust for my client) for damages in the sum of £500,000.00 as a result of breach of the shareholder’s agreement, and fraudulently breaching their fiduciary duties and trust by manipulating the valuation of my client’s shares following his resignation from the company. This matter reached a successful conclusion following a lengthy mediation.
- Advised a company in a claim against its former directors and corporate service provider as a result of a number of fraudulent payments to one of the former directors amounting to over £10m. Also advised the company’s subsidiary in a claim against one of the main banks seeking to set aside a number of charges granted by the former directors to secure a loan from the bank to a former director as part of the former directors’ attempts to disguise the origins of the fraudulent payments.
Contractual Disputes
- Advised a company in defending a claim brought by an online gambling company, and counterclaiming for approximately £12m.
- Acted for the claimants in Morris & Morris v Knox Limited and MBL Financial Limited and succeeded on all of the contested points, and in defending the counterclaim for £500,000. Also successfully represented the claimants in the costs application and proceedings, which involved sums that outweighed the amounts at stake in the substantive proceedings.
- Advised a listed company in a dispute regarding a break clause in a lease.
- Advised numerous companies and individuals in landlord and tenant disputes.
- Advised the Island’s leading property development company in defending a claim for damages in the sum of £1.5 as a result of an alleged breach of contract for sale.
- Successfully represented a firm of advocates in defending a claim brought against it for damages in the sum of £2m, as a result of an alleged breach of contract, breach of fiduciary duty and negligence.
Criminal Litigation
- Advised numerous clients in criminal proceedings from police interview to trial.
Debt Recovery
- Acted for numerous individuals and entities in recovering substantial debts.
Employment Disputes
- Advised an employee in a successful claim against a government department for unfair dismissal and breaches of the Data Protection Act.
- Advised a consultant employee in a whistleblowing claim against the Department of Health and Social Care.
- Advised a former director of a government department on a claim for redundancy.
- Advised a leading corporate service provider in a high-level employment dispute involving sums over £400,000.
- Advised a company that owned a leading Isle of Man restaurant on 12 redundancies following the decision to close the restaurant. This matter also involved successfully defending a claim for unfair/wrongful dismissal.
- Advised an Isle of Man-based international business and its shareholders in relation to potential unfair prejudice and employment matters arising in relation to settling with a departing shareholder founder and employee.
- Advised a senior executive regarding their employment termination following a dispute with an Isle of Man employer, negotiated the terms of a settlement agreement and the terms of a settlement payment, and advised on the removal of long-term restrictions from the settlement agreement that could impact on the client’s ability to seek new employment.
Fraud
- Advised a shareholder in a claim against three fellow shareholders (who were also holding the shares in trust for the client) for damages in the sum of £500,000 as a result of breach of the shareholders’ agreement, and fraudulently breaching their fiduciary duties and trust by manipulating the valuation of the client’s shares following his resignation from the company. The matter reached a successful conclusion following a lengthy mediation.
- Acted for a defendant in high-profile complex fraud/breach of directors’ duties proceedings alleging fraud against the billionaire director of a publicly listed Indian company with damages claimed in excess of £350m.
- Advised a company in a claim against its former directors and corporate service provider as a result of a number of fraudulent payments to one of the former directors amounting to over £10m. Also advised the company’s subsidiary in a claim against one of the main banks seeking to set aside a number of charges granted by the former directors to secure a loan from the bank to a former director as part of the former directors’ attempts to disguise the origins of the fraudulent payments.
- Advised publicly listed claimant companies in complex fraud proceedings in the Isle of Man arising from an alleged Eastern European real estate investment fraud with a claim value in excess of €25m, including negligence claims against the directors and auditors.
- Advised numerous individuals and entities in quasi-fraud claims.
Freezing Injunctions & Norwich Pharmacal Orders
- Advised numerous clients on freezing injunctions, including ancillary disclosure orders, and Norwich Pharmacal Orders.
Proceedings under the Proceeds of Crime Act
- Advised 10 individuals and entities who were subject to Restraint Orders, restraining assets valued at over £15m, following a global investigation. Successfully discharged all of the Restraint Orders and obtained an order requiring the police to return the assets seized for the criminal investigation.
- Successfully discharged a Restraint Order that restrained an individual’s assets valued at £400,000.
- Advised a client in discharging a Restraint Order which restrained funds in the sum of £360,000.
- Represented a number of clients in confiscation proceedings following guilty pleas to criminal charges.
Professional Negligence
- Successfully represented a firm of advocates in defending a claim brought against it for damages in the sum of £2m, as a result of an alleged breach of contract, breach of fiduciary duty and negligence.
Registration & Enforcement of Foreign Judgments
- Registered and enforced numerous foreign judgments, including a judgment in the sum of £90m.
Regulatory Proceedings
- Represented a senior advocate before the Advocates Disciplinary Tribunal as a result of a complaint by the Isle of Man Law Society alleging numerous breaches of the Advocates Practice Rules and Advocates Accounts Rules. The Advocate retained his practising certificate and received a small fine of £4,500.
- Successfully represented a senior advocate before the Advocates Disciplinary Tribunal as a result of a complaint brought by an individual who was the adverse party to his client’s claim.
Trust Disputes & Related Proceedings
Please note: The experience list above may include examples of work completed prior to joining Keystone Law.
Recognition
Recognised in Chambers UK 2025 Offshore: Dispute Resolution
“Andrew merges expertise in law with strategic business understanding to achieve outcomes of significant commercial importance.”- Chambers UK 2025
“Andrew is commercially minded, very knowledgeable and very responsive.” Chambers UK 2025
“Andrew has an incredible knowledge of Manx case law.”-Chambers UK 2025
Acknowledged by Chambers 2025 for advising clients on a range of employment matters spanning breach of fiduciary duty to shareholder disputes.
Acknowledged by Chambers 2025 as an up-and-coming partner with expertise in a range of disputes, including employment and property matters.
Winner of “Lawyer of the Year – Gold – Partner” at the Citywealth Future Leaders Award 2023
Recognised as a Leading Individual by The Legal 500 (2021 – 2025) for Isle of Man: Dispute Resolution
Recognised as a Next Generation Partner by The Legal 500 (2021 – 2025) for Isle of Man: Employment
“Andrew Marshall is ‘a true lawyer’s lawyer’ who regularly handles complex commercial disputes and shareholder disputes.” The Legal 500 2024
“Andrew Marshall is absolutely first class. I have worked with him particularly on corporate matters relating to shareholder disputes. There are 3 particular strengths that stand out: (1) Overarching common sense and commercial nous; (2) Absolute mastery of the law; and (3) 100% commitment to achieving the result that the client needs. The combination of these strengths brings about a clear and effective results-driven approach.” The Legal 500 2024
“Andrew Marshall is a true lawyer’s lawyer. We retained him for a complex administrative law matter, in which he excelled in detailed analysis and astute advice. His command of the finer points of Manx law is equal to that of the finest minds on the bench. Despite all the complexity, he managed to deliver sound, sensible, practical advice and eventually led us to a powerful victory over a recalcitrant government.” The Legal 500 2024
“Andrew Marshall. Quite simply, first class. He epitomises the points I have mentioned above – i.e. he has the key qualities of the application of an unparalleled knowledge of the law to a solutions-based strategic approach. Whatever the complexity of the Gordian knot, he will slice through it with common sense and understanding, to his client’s best advantage.” The Legal 500 2023
“Andrew Marshall is a lawyer who exhibits top notch emotional intelligence in engaging with clients. He uses this to good effect when engaging with clients and presenting advice, especially when that advice is not what the client wants to hear. A very measured calm and knowledgeable lawyer.” The Legal 500 2023
“First class Andrew Marshall, a ‘very measured calm and knowledgeable lawyer’ specialising in commercial disputes who has recently been particularly active in shareholder disputes.” The Legal 500 2023
“I found Andrew Marshall to be extremely professional. He navigated the matter to completion with complete success.” The Legal 500 2023
“Andrew Marshall is well versed in employment practices and employee rights. He were quick in identifying strengths and weaknesses. Easy to work with and transparent about billing.” The Legal 500 2023
“Andrew Marshall is quick to respond and in a professional manner.” The Legal 500 2023
“Andrew Marshall”s knowledge of the employment sector has been exceptional. From dealing with redundancy issues to potential disputes regarding terms of employment and severances. I have had complete confidence in his advice and guidance.” The Legal 500 2022
“Andrew Marshall has had to deal with some complex and potentially stressfully situations in dealing with a difficult and potentially contentious estate. He has at all times been professional, available and thoughtful in his approach and his careful handling of personalities and scenarios has helped to avoid dramas turning into crisis.” The Legal 500 2022
“Andrew Marshall is absolutely focused on resolving each matter in the best way, deploying his very considerable knowledge of the law, his clear and detailed forensic analysis, his extensive tactical experience, and his practical common sense, to find the best solution to every problem and to provide his clients with exemplary outcomes. He is absolutely first rate.” The Legal 500 2022
“Andrew Marshall is a rising star in the Manx legal landscape. He is a beacon of hope for the future – bright, energetic and humble.” The Legal 500 2022
“I have worked with Andrew Marshall. He has always been very attentive and helpful in his guidance and also very willing to explain legal terms and issues to me at length. Above all, I trust his counsel completely. He has always been at the end of the phone when I need to speak to him and in person should it be required.” The Legal 500 2022
“Andrew Marshall brings great strength in terms of attention to complex detail whilst also formulating the bigger picture and strategy for complex cases. He enables clients to feel at ease due to these exceptional dual strengths.” Legal 500 2021
“Andrew Marshall is an exceptional employment lawyer. He shows exceptional awareness of complex issues and the drive needed to push complex cases forward. He has an excellent manner with clients.” Legal 500 2021
“Andrew Marshall will not rest until he is confident that he has found the very best solution for his clients, applying his detailed knowledge and experience across the corporate litigation sphere to achieve the appropriate outcome.” Legal 500 2021
“Andrew Marshall is an outstanding lawyer, very personable, shrewd and not shy about reining in a client who may be too aggressive for their own good.” Legal 500 2021
“Andrew Marshall would be an asset to any firm. He is responsive and does not say what you want to hear. If it’s bad news he will tell you but also has compassion to take time to understand the situation.” Legal 500 2021
Recommended in the Legal 500 2020 for Isle of Man: Dispute Resolution
“Andrew Marshall builds up very good working relationships and always has the best interests of his clients at the fore, as well as being able to explain issues in a very succinct way.” Legal 500 2020
“Andrew Marshall is extremely professional while maintaining an easy, friendly manner.” Legal 500 2020
Recommended in the Legal 500 2019 for Isle of Man: Dispute Resolution
“Andrew Marshall, whose drafting skills are second to none and who has that rare ability to condense complex issues into compelling, succinct explanations.” Legal 500 2019
Career
Andrew qualified as an advocate in 2010. Prior to joining Keystone Law in 2018, he worked at the following firms:
- Gough Law
- Kerruish Law & Trust