Henry Warwick KC
“Razor-sharp, in writing and on his feet. Imaginative and thorough, leaving no stone unturned.”
Legal 500 2024
- Call
- 2007 (Solicitor: 2000)
- Silk
- 2020
- Tel:
- +44 (0)20 7583 9020
- Email:
- clerks@hendersonchambers.co.uk
Henry Warwick KC is a leading practitioner in commercial disputes, group actions and collective redress, and in banking and financial services.
He has considerable experience in group litigation and other multi-party actions, for which he is recognised as a leading Silk. He acted for the Claimants in The Post Office Group Litigation, for GSK in the Seroxat Group Litigation and both for claimants and defendants in large-scale financial services and consumer law disputes. He is routinely instructed by litigation funders and in associated costs and funding matters.
Henry is ranked as a leading Silk by legal directories for commercial disputes. His experience ranges from sovereign wealth fund litigation to joint venture, partnership and other investment disputes, as well as civil fraud. He acted for defendants at trial in London Capital & Finance Plc (in administration) v. Thompson & others, identified by The Lawyer as one of the top 20 most significant commercial cases in recent years.
Henry represented UK nationals in remaining EU member states in R (Miller & Others) v Secretary of State for Exiting the European Union [2017] UKSC 6, and in a challenge to EU measures concerning Brexit negotiations in Fair Deal v Commission (T-713/16).
Before joining the Bar, he practiced as a solicitor at Linklaters LLP and as Legal Counsel at the Permanent Court of Arbitration in The Hague.
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Expertise
Commercial Disputes
Henry Warwick KC is ranked as a leading Silk for Commercial Disputes by legal directories. He has acted in many high-profile cases. Recent examples are given below.
He represents clients in the Business and Property Courts, and on appeal, in a range of areas including:
- Disputes arising out of commercial investments, JV, partnership, and agency arrangements
- Disputes following corporate acquisitions and restructuring
- Economic tort claims including claims in conspiracy and for wrongful interference
- Unfair prejudice and minority shareholder actions
- Freezing and recovery of assets and relief in support of litigation overseas
- Disputes concerning the sale of goods, defective products and supply chains
Henry has represented clients in proceedings offshore, such as Gibraltar and the Isle of Man, and is instructed to represent overseas clients in litigation and arbitration in England & Wales.
Representative cases
grid list-
Your Lawyers v. Therium Capital Management & another
Acted for leading London litigation funder Therium in proceedings, and appeal to Court of Appeal, concerning arrangements for the funding of the VW NOx Emissions Litigation. Important issues as to the development of the economic torts. Identified by The Lawyer as one of its top ten most significant appeals of 2025.
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London Capital & Finance Plc (in administration) v. Thompson & others
Acting for Defendants at trial in high profile fraudulent trading claim arising in the administration of LC&F with respect to the sale of £250 million mini-bonds. A highly complex trial listed for 20 weeks.
Identified by The Lawyer as one of its Top 20 most significant cases of 2024.
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Libyan Investment Authority v King
Acting for successful Defendants through to trial in high profile claim concerning investment by Libya’s sovereign wealth fund in a hotel and retail joint venture in the UK.
Associated applications concerning receivership orders with respect to LIA’s claims pending resolution of contested authority to bring proceedings on behalf of the fund.
Obtained security for costs against US$67 billion fund due to effect of international sanctions.
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Offshore oil exploration dispute
Arbitration (PCA, UNCITRAL Rules) between European oil major and global oilfield services company.
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Aviation supply chain disputes
Acting for aircraft leasing company in supply chain disputes concerning engine defects.
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Unfair prejudice: F1 engineering sector
Acting for major shareholder of leading F1 engineering and technology company.
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RSL v TER & Tamara Ecclestone
For US global brands consultancy in dispute with celebrity endorser and family business.
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Chevron Corporation v Amazonia Recovery Limited & Others (Supreme Court, Gibraltar)
Complex proceedings concerning alleged commercial conspiracy arising from US$18 billion judgment in respect of environmental pollution in Ecuador with associated proceedings in New York and elsewhere.
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Stirling Mortimer Global Property Fund PCC Ltd v ELS & 10 Others (Commercial Court)
Complex civil fraud/economic tort claim for recovery of over €45m from defendants in the UK, Ireland, Spain and Nevada, together with further satellite litigation in this jurisdiction and in the United States.
Group Litigation and Collective Redress
Henry represents and advises clients in group actions, including in large scale commercial, IT, and financial services disputes, consumer law and competition law.
He represented over 500 claimants in the Post Office Group Litigation, was for GSK in the Seroxat Group Litigation, and for defendants and claimants in a range of financial services disputes.
He has particular experience in the complex case management, costs, costs management and funding and insurance issues that arise as well as carriage disputes.
Representative cases
grid list-
Your Lawyers v. Therium Capital Management & another
Acting for Therium in claims following compromise of the VW NOx Emissions Litigation, concerning arrangements for the conduct of group litigation, carriage disputes between those acting for Claimant groups and the provision of litigation funding.
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Kells & others v. Friends Provident International & another
Acting for 800+ Claimants at pre-trial stages of group claim proceeding in the Isle of Man following alleged mis-selling of financial products
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The Post Office Group Litigation
Acting for over 500 Claimants in claim against Post Office relating to its point of sale and accounting IT system, Horizon. Represented the Claimants at trial in 2017, edition in 2018 and in costs and case management matters throughout. Judgment No.(3) is widely reported and cited by leading publications with respect to developments in the law in multiple areas, including good faith and implied terms in commercial contracts. The scandal underlying the claim has received national and international coverage in the press and on television and is the subject of a statutory inquiry.
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Claims following suspension of Woodford Equity Income Fund
Acting for 5000+ Claimant group of investors in initial stages of claim
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The Seroxat Group Litigation
Acted for defendant in large-scale group litigation concerning market-leading prescription anti-depressant / anxiolytic.
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The JJML Pelvic Organ Prolapse Litigation (QB)
Acting for defendant at interim stage in proceedings concerning medical products.
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Claims against vehicle manufacturer
Acting for leading motorcycle manufacturer in claims arising from alleged component defects.
Civil Fraud
Henry acts in heavily fought civil fraud litigation in the Business and Property Courts, including claims arising from insolvency and proceedings to enforce judgments or freeze assets in this jurisdiction and elsewhere.
Representative cases
grid list-
London Capital & Finance Plc (in administration) v. Thompson & others
Acting for Defendants at trial in high profile alleged fraudulent trading claim arising in the administration of LC&F with respect to the sale of £250 million mini-bonds. A highly complex trial listed for 20 weeks. Identified by The Lawyer as one of its Top 20 most significant cases of 2024.
-
Libyan Investment Authority v King
Acting for successful Defendants through to trial in high profile claim concerning investment by Libya’s sovereign wealth fund in a hotel and retail joint venture in the UK.
-
Chevron Corporation v Amazonia Recovery Limited & Others (Supreme Court, Gibraltar)
Complex proceedings concerning alleged commercial conspiracy arising from US$18 billion judgment in respect of environmental pollution in Ecuador.
-
Stirling Mortimer Global Property Fund PCC Ltd v ELS & 10 Others (Commercial Court)
Civil fraud/economic tort claim for recovery of over €45m from defendants in the UK, Ireland, Spain and Nevada, together with further satellite litigation in this jurisdiction and in the United States.
Banking and Financial Services
Henry is recommended in the field of Banking and Finance by Legal 500. His practice in this field includes:
- Advising domestic and overseas lenders on wide range of aspects of financial services regulation in the UK
- Disputes concerning the full spectrum of securities and statutory liability to investors
- Claims concerning the alleged mis-selling of retail financial products
- Disputes arising fromconsumer finance agreements, including asset finance, loan facilities, and associated security arrangements
- Claims relating to the fairness of debtor/creditor relationships
Representative cases
grid list-
Kells & others v. Friends Provident International & another
Acting for 800+ Claimants at pre-trial stages of group claim proceedings in the Isle of Man following alleged mis-selling of financial products
-
Claims following suspension of Woodford Equity Income Fund
Acting for 5000+ Claimant group of investors in initial stages of claim
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Claims against Nucleus Financial Platforms Group
Dispute regarding scope of Quincecare / Philipp duty with respect to dishonest payment instructions.
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Advising overseas lenders on domestic financial regulation
Advising overseas lenders on UK regulatory implications of launch of range of lending products.
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Proceedings relating to SIPP investments
Multiple complaints against various IFAs and associated companies, including FOS proceedings, concerning advice given in respect of SIPP transfers and foreign property.
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Axton v GE Money [2015] EWHC 1343 (QB), [2015] All ER (D) 39, cited White Book at 3H-331
For lender in early reported case on unfair lending relationships s.140A 1974.
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Durkin v DSG [2014] UKSC 21
Advising in relation to matters at issue in an appeal to the Supreme Court concerning the meaning and effect of s.75 Consumer Credit Act 1974.
Arbitration
Henry draws on experience in both domestic and international arbitrations, conducted ad hoc and pursuant to a range of institutional rules.
He acted as tribunal secretary and provided background support to international arbitral tribunals as Legal Counsel at the Permanent Court of Arbitration in The Hague.
Support on substantive and procedural issues to tribunals in disputes concerning rights and obligations in public international law including: Guyana v Suriname (2007), Eurotunnel Arbitration (2007), Eritrea-Ethiopia Boundary Commission (2007), Eritrea-Ethiopia Claims Commission (various) (as PCA Legal Counsel).
Support on substantive and procedural issues to tribunals range of investment treaty arbitrations (as PCA Legal Counsel).
Representative cases
grid list-
Arbitration: offshore oil exploration
Arbitration (PCA, UNCITRAL Rules) between European oil major and global oilfield services company regarding offshore oil exploration
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Bermuda entities v Colorado entities (Commercial Court)
Arbitration claim for anti-suit injunction to enforce terms of LCIA arbitration clause.
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Commercial arbitration (1996 Act)
Dispute between franchise operators in training and business referral sector.
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Ad hoc arbitration (UNCITRAL Rules)
Claim by UK investor against African state for expropriation of mining sector assets.
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Arbitration between main contractor and sub-contractors
Concerning the construction of a MOD procurement facility.
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PCA Legal Counsel in: Guyana v Suriname, Eurotunnel Arbitration, Eritrea-Ethiopia Boundary Commission, Eritrea-Ethiopia Claims Commission.
Law of the European Union
Henry acted in two high profile legal challenges concerning the process for withdrawal of the UK from the European Union.
Representative cases
grid list-
R (Miller & Others) v Secretary of State for Exiting the European Union [2016] EWHC 2768 (Admin) & [2017] UKSC 5
Representing UK nationals residing in EU Members States in challenge regarding the Secretary of State’s power to give notification under Article 50 TEU (both in Divisional Court and in Supreme Court).
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Fair Deal for Expats & Others v Commission of the European Union (Case T-713/16)
Challenge in the General Court of the European Union under Article 263 TFEU in respect of measures preventing negotiations between representatives of the United Kingdom and the Commission pending notice under Article 50 TEU.
What the directories say
"Henry's advice is well considered, broad in scope and thorough."
Chambers UK 2025
"Henry has a real depth of experience and expertise across a number of areas of the law; he is no one-trick pony."
Chambers UK 2025
"He is all over the detail, forensic in his approach and absolutely clinical in cross-examination."
Chambers UK 2025
"Henry is as sharp as a tack."
Chambers UK 2025
"He works very well with the team, is very hands-on and is always thinking strategically."
Chambers UK 2025
News and articles
Henderson Chambers attending IBA Arbitration Day...
Your Lawyers v Therium in The Lawyer Top 10...
Judgment in London Capital & Finance Plc v....
Chambers UK 2025 – Top Band Rankings for...
Legal 500 2025 Guide – Top Tier Rankings for...
Henry Warwick KC speaking at IBA Annual Litigation...
Instructing Henry Warwick KC
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- King’s Counsel (QC 2020)
- Legal Counsel at the Permanent Court of Arbitration in The Hague (2006-2007)
- Qualified as a solicitor at Linklaters (2000)
- Contributor: Goode, The Law and Practice of Consumer Credit
- Contributor: Journal of International Banking and Financial Law
- COMBAR (Committee Member)
- IBA
- LLM (International Law), First Class Hons, Cambridge University (Jesus) (2005)
- Qualified as Solicitor (2000)
- Common Professional Exam (1996)
- B.Sc. First Class Hons, Bristol University (1996)
All members of Chambers are registered with the Bar Standards Board of England and Wales. For our standard contractual terms click here.
For more information about the way barristers at Henderson Chambers work, including our fee transparency statement and our complaints process, please click here.
Bar Council Number: 51775
VAT Registration Number: 986436763
Legal Status: King’s Counsel
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Regulated by the Bar Standards Board.
