Instruct Gideon

To instruct Gideon please contact our clerks on +44 (0)20 7842 5555 or email

Gideon Shirazi specialises in high-value, complex commercial litigation and international arbitration.

His work often involves arbitral seats or laws of jurisdictions around the world, including China (Mainland and Hong Kong), India, the USA, various European states, various African states, Russia, CIS countries, the Middle East and Gulf region, Singapore and various Commonwealth countries. He is regularly instructed directly on arbitrations by law firms based outside the UK.

Gideon’s maths background and enthusiasm for technology means that he brings a technical understanding to complex technical and financial disputes and often works closely with experts. He is equally comfortable as junior and sole counsel and often acts as sole counsel against senior juniors, QCs and eminent arbitration practitioners.

Gideon is qualified to undertake public access work.

Gideon is listed as a leading junior in the 2020/2021 edition of Legal 500 for construction, IT and telecoms and shipping; and in Chambers & Partners for IT. He was featured in the 2018 Global Data Review’s “40 Under 40”: a list of the top 40 data lawyers worldwide aged under 40. Recommendations include:

  • He works exceptionally hard and is very talented
  • Some years ahead of his call in terms of experience. Great on his feet
  • Incredibly dedicated and hard-working; nothing is ever too much for him
  • He is extremely hard-working, and is very capable of sifting through a vast amount of material to quickly get to the key underlying detail
  • He really knows his stuff, is very knowledgeable and very commercial where it counts
  • Bright and quick on his feet
  • A bright barrister who cuts through the verbiage and technical arguments
  • A good operator whose key strength is his ability to absorb an enormous amount of detail and get to the nub of a dispute very quickly

Gideon acts and advises in international arbitration proceedings with seats across the world (including experience of ad hoc, ICC, LCIA, LMAA, CIMAR, SIAC, HKIAC, UNCITRAL and ICSID rules) and associated court proceedings (including injunctions and s67, s68 and s69 challenges). Gideon’s arbitration practice spans technology, shipping, aviation, engineering, infrastructure, construction, energy, insurance, banking, trade secrets, investment and general commercial disputes.

Featured International Arbitration cases

Acting on ICC infrastructure arbitrations (London seat, Saudi law) involving the design of a metro system in the Middle East.

Acting on an ICC arbitration (QFC seat, Qatari law) involving delay and disruption in the construction of a hotel.

Acting on an ICC technology arbitration (Geneva seat, French law) involving delays and defects in the merger and transformation of IT systems.

Acting on a number of LMAA and ad hoc multi-vessel shipbuilding arbitrations (London, Singapore and Hong Kong seats and laws) involving delays, defects and contractual issues.

Acting on an ICC Emergency Arbitration (QFC seat, Qatari law) relating to performance bonds.

Acting on a $1bn ICC arbitration (London seat, English law) involving theft of trade secrets in the aviation industry.

Acting on a series of LCIA and ad hoc (Singapore, Hong Kong and London seats) energy arbitrations involving pipeline contamination.

Acting on A v B concerning multiple references in a single Request under the LCIA rules.

Acting on a number of LMAA and ad hoc shipping arbitrations involving a detention of vessels, damaged cargo and other disputes.

Advising on a potential ICSID investment treaty arbitration, including most-favoured-nation, fair and equitable treatment and umbrella clauses.

Advising on data protection issues in international arbitration.

Gideon’s technology and telecoms work includes hardware (including networks and outages), software (development, integration, licensing and copyright), outsourcing and cloud services (SaaS, PaaS and IaaS), cutting-edge technology (including augmented reality, distributed operating systems, internet of things devices, cryptocurrencies, Blockchain and self-driving car software) and as well as miscellaneous claims in an IT context (e.g. satellites, cybersecurity, data protection, breach of confidence and hacking). Gideon is also a contributor to the chapter on IT Consultants in Simpson’s Professional Negligence and Liability and a committee member of the SCL IT Disputes Group.

Featured Technology & Telecoms cases

Acting in a dispute involving delays, outstanding work and payments in the implementation of a SCADA and proprietary IT system forming the basis of the Bangalore electricity distribution network.

Acting on a full IT infrastructure transformation dispute following the merger of two major telecoms companies involving delays, variations, scope creep and a range of project issues.

Acting on a dispute involving delays and defects the creation of IT systems in de-merger of a telecoms company.

Acting on a number of SAP implementation disputes involving delays, project management, defects and payment issues.

Acting on a number of ERP and CRM implementation disputes involving delays, project management, poor design, scope creep, variations, defects and payment issues.

Acting on a number of disputes about the outsourcing and maintenance of telecoms networks.

Acting on a number of e-commerce website implementation disputes about defects during or following the development of e-commerce websites and alleged loss of profits.

Acting on a number of dispute involving defects in software security leading to cyber attacks.

Acting on a dispute involving liability for the consequences of a cyber attack in the sale of a painting.

Acting on a dispute involving failures by an IT cyber security company which led to a cyber attack on an airport.

Acting on a number of software licensing disputes, including over-deployment, piracy, scope of licence provisions, linking, termination, decompilation, virtualisation, mis-selling and resale rights under the Software Directive.

Acting on a dispute about the termination of a licence agreement for software for the remote stopping of cars and industrial internet of things (IoT) connected devices.

Acting on a number of disputes involving telecoms fraud (including AIT, abuse of promotions, RIPA obligations, etc).

Advising and acting on a number of data protection/privacy disputes (including SDARs, claims for compensation under the Data Protection Act, wrongful disclosure under RPIA, the processing of foreign electoral data, data loss by an online data storage platform and resisting pre-action disclosure of employees’ medical records).

Acting on a number of copyright and trade secrets disputes, including source code theft, data theft, team moves and general IP disputes.

Gideon acts on a wide range of construction, engineering and infrastructure disputes and is familiar with the FIDIC, JCT, NEC3, SAJ and other standard forms. Gideon has a particular interest in engineering and infrastructure disputes with experience spanning disputes over roads, tunnels, a metro system, hospitals, car parks, telecoms networks, a car showroom, energy facilities, a museum, hotels, schools, listed buildings, offices, residential developments and other buildings and infrastructure and engineering projects. He also acts on property damage cases (including fires, flooding and tree roots). He regularly acts on adjudications and adjudication enforcements and is a TECBAR adjudicator and a contributor to LexisPSL Adjudication.

Featured Construction, Engineering and Infrastructure cases

Acting on a delay dispute about the construction of an extension to a major hospital involving issues around COVID-19 delays.

Acting on an ICC arbitration about variations, defects and delays in the design of a metro system in the Middle East.

Acting on an ICC termination account arbitration involving delay and defects in the construction of a hotel in the Middle East.

Acting on an ICC final account dispute involving a large offshore oil facility in the CIS region.

Acting on a dispute about defective cladding at a hospital.

Acting on final and termination account disputes involving defects, delays, variations, rectification and other contractual issues in the construction of an energy office, hotels, commercial buildings, a car showroom, offices, student accommodation, social housing and residential developments.

Acting on a coastal engineering dispute involving issues about design, defect correction, the interpretation of NEC3 project management and defect correction provisions.

Acting on a number of PFI/PPP disputes involving good faith, termination, maintenance obligations, service points, defects, long-term payments, estoppel and fire safety.

Acting in the Court of Appeal in a dispute about the role of construction consultants in litigation.

Acting on dispute board referrals, including complex jurisdictional points arising in international projects.

Acting on a number of interim payment and final account adjudications under JCT, NEC3 and bespoke contracts including disputes around repudiation and termination, contractual interpretation, rectification, delay, defects and variations.

Acting on a number of adjudication enforcement cases involving jurisdiction issues, breaches of natural justice and stays for insolvency.

Gideon’s shipping work includes disputes over shipbuilding contracts, charterparties (time, voyage and bareboat), contracts of affreightment, bills of lading, ship sale MOAs, carriage of goods by sea (Hague and Hague-Visby rules) and by road (CMR claims including wilful misconduct), international sale of goods and commodity sale and purchase agreements as well as collisions, mortgages and arrests.

Featured Shipping & Shipbuilding cases

Acting on a long-running multi-vessel shipbuilding dispute, involving issues around deliverability, delay, prevention principle, payments, guarantees and a range of defects in bulk carriers.

Acting on a series of multi-vessel shipbuilding disputes about bulk carriers, OSVs, yachts and other vessels involving issues around fuel economy, delays, defects and deliverability.

Acting on ship sale disputes involving disputes about fraud, cyber attacks, defects and delivery.

Advising on cyber insurance claims in connection with the alleged total loss of a yacht.

Acting on an Admiralty Court ship mortgage case (including acting on the arrest, order for sale, and priorities).

Acting on a number of voyage charter disputes including seaworthiness, demurrage/detention and freight issues.

Acting on a number of time charter disputes, including seaworthiness, unsafe ports, off hire disputes, redelivery, rectification, speed and consumption and loading/discharge issues.

Acting on a number of bills of lading disputes, including misdelivery, identity of the issuer, the incorporated charterparty and cargo damage.

Gideon has acted on a wide range of energy disputes, focussing on upstream and midstream oil and gas and renewables. His experience includes acting as a junior on very large construction and offshore construction disputes arising out of energy facilities, as well as disputes about the sale, pipeline transportation and shipping of cargoes of oil and LNG, the installation of solar panels, electricity distribution projects and general commercial disputes in the energy industry.

Gideon has a wide experience of banking and financial services work. Gideon is familiar with the mathematics behind valuation of commodities, derivatives and other financial products. He also has experience of bitcoin and other cryptocurrency disputes and payment services disputes.

Featured Banking, Financial Services & Fintech cases

Acting for a bank on a ship mortgage case involving issues of undue influence, variation, rectification and estoppel.

Acting on a number of lending and fraudulent payment disputes.

Acting on an Emergency Arbitration involving restraints on calling performance bonds.

Acting on a dispute involving the application of UCP 600 and whether a party was obliged to extend performance bonds.

Acting on a dispute involving the correct interpretation of performance bonds.

Acting in a cryptocurrency dispute involving disputes about the first Bitcoin fork and wallet access.

Acting on a number of banking fraud and FSMA cases (including payment fraud, cyber fraud and collective investment schemes).

Gideon regularly acts in claims involving insurers, both in subrogated claims and coverage disputes. This includes both marine and non-marine insurance, and claims against insurance brokers. Gideon has a particular interest in cyber risk.

Featured Insurance & Reinsurance cases

Acting on a number of coverage disputes relating to COVID-19.

Acting on a dispute between an underwriting agent and a broker about unpaid premiums, misuse of confidential information and economic torts.

Advising on a £10m coverage claim following an explosion raising issues of the scope of a product liability policy, aggregation and policy interpretation.

Advising on coverage under an NHBC policy for newbuilding defects.

Advising on coverage on a claim for constructive total loss of a vessel following a cyber incident.

Acting and advising on coverage disputes on a range of commercial & marine policies.

Gideon regularly acts in High Court (including the Commercial Court, TCC, Chancery Division and IPEC) and international arbitration on the full range of commercial disputes. He has particular experience on cyber, fraud, M&A, art, sale of goods, bailment, product liability, economic torts and trade secrets disputes.

Featured Commercial Dispute Resolution cases

Acting a dispute about responsibility for a cyber attack in the sale of Constable painting.

Acting on a number of outsourcing and PFI/PPP disputes around SLA breaches, service points, service credits, duties of good faith, affirmation, delays, defective work, exemption clauses, indemnities, estoppel and termination.

Acting on a number of M&A (Transitional Service Agreements and Share Purchase Agreements) disputes involving post-completion obligations, breaches of warranty, indemnities, fraud, breaches of directors’ duties, economic torts and misrepresentation.

Acting on a number of corporate finance commission, guarantee and negligence disputes concerning capital raising for FinTech and energy businesses.

Acting on disputes involving breaches of fiduciary duties, the misuse of confidential information and data theft (including hacking and cyber fraud) by JV partners, suppliers, ex-directors, employees and consultants in the aviation, banking and technology industries.

Acting on a number of civil fraud disputes involving alleged fraudulent payments, bribery and fraudulently exaggerated invoices in the construction industry (including ghost workers).

Acting on a number of sale of goods and product liability disputes, including mistake, defects and title issues, contamination, faulty alarms, corroded steel boilers, exploding bottles, shop displays and tiles.

Aviation, including a drone/UAV crash, s76 CAA and trade secrets.

Gideon acts on a wide range of professional negligence disputes across all the major professions (solicitors, accountants, brokers, architects, engineers and surveyors). He has particular experience in cases brought against accountants and financial advisers for negligent tax advice, auditing and valuations, and in cases arising out of M&A transactions.

Legal 500 Asia Pacific 2022 Rankings

4 Pump Court have been ranked Tier 1 for ‘Construction, Energy and Infrastructure’ and Tier 2 for 'Shipping and...

Webinar: SCL IT Disputes Group – Restraining Contract Termination by Injunction

In this event, organised by the SCL IT Disputes Group, Gideon Shirazi will join a panel to discuss the principles on...

Tech Disputes Demystified

HK45 will be hosting their first event 'Tech Disputes Demystified' as part of the technology disputes series, this...

SCL Tech Law Essentials: Renegotiation and Disputes

On Tuesday 23 November, Gideon Shirazi will be joining Lee Gluyas, CMS LLP and William Hooper, Oareborough on the panel...

Instruct Gideon

To instruct Gideon please contact our clerks on +44 (0)20 7842 5522 or email

  • TECBAR accredited adjudicator
  • Member of WIPO panel of arbitrators
  • Decommissioning in the UK Continental Shelf – A Litigator’s Perspective’, [2015] IELR 192 (with Michael Davar, Squire Patton Boggs)
  • To what extent does the section 33 contract differ from an orthodox contract?’ (2013) 34 Company Lawyer 4
  • MA Mathematics, First Class (Trinity Hall, Cambridge)

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