4-5 Gray’s Inn Square’s Arbitrators have experience of both international and domestic arbitrations, and the group comprises of barristers and affiliated lawyers from around the world. Our members are some of the foremost practitioners in their field of expertise.

Instruct Us

To enquire please contact our dedicated clerks Stephen Somerville and Emily Martin.

Why Instruct 4-5 Gray's Inn Square Chambers?

4-5 Members act in commercial arbitrations under the rules of every major arbitral institution, as well as in ad hoc (non-institutional) and investment treaty claims.

Areas covered: financial services, oil and gas, shipping, construction disputes, non-petroleum extractive industries, renewables, agriculture, intellectual property, insurance and reinsurance, corporate transactions and e-commerce.

On the commercial side, 4-5 Counsel act for claimants and respondents. Members have significant experience of advising clients at an early stage in a dispute, drafting arbitration clauses, advising as to interim measures/relief applications, bringing or defending challenges or enforcement proceedings in connection with arbitral awards.

Our investment treaty arbitration experience is similarly extensive; members act for both investors and host states. Arbitration members with experience as neutrals likewise have been appointed, and served as Chair, in virtually every variety of international dispute.

4-5 Counsel often act on behalf of substantial international corporates and business in a variety of areas, and in multi jurisdictions. These cases include complex issues of state Immunity, enforcement, rights and obligations under a sale and purchase agreement, termination of contracts, jurisdiction, and calculation of expectation loss.

The team has multi-lingual barristers trained under many different common law and civil law systems.

We regularly work with international clients in the UK and throughout Europe, Middle East, Asia-Pacific, US, Latin America and Caribbean, under ICSID, PCA, LCIA, ICC, HKIAC, SIAC, DIAC, ADCCAC, LMAA, UNCITRAL, AAA-ICDR, CAS and ad hoc rules.

For all enquiries please contact Emily Martin [email protected] and Stephen Somerville [email protected] on 0207 404 5252.

Arbitrator Appointments

As Arbitrators, the group has arbitrated commercial matters under the rules of every major arbitral institution, as well as in non-institutional and investment treaty claims, as well as before the Court of Arbitration for Sport. We continue to act for claimants and respondents at every stage of their disputes, from advice drafting arbitration clauses to bringing or defending challenges of enforcement proceedings in connection with arbitral awards. Our investment treaty arbitration experience is similarly extensive, and we continue to act for both investors and host states. The group has experience as neutrals and have also been appointed, and serve as Chair, in virtually every variety of commercial dispute.

Arbitration Counsel

Our members frequently appear as Counsel or expert witnesses in arbitrations in London and overseas. Our collection experience covers the following sectors: oil and gas, non-petroleum extractive industries, renewables, agriculture, intellectual property, financial services, insurance and reinsurance, shipping, corporate transactions, construction disputes, and e-commerce.

Our depth of expertise combined with our flexible and attractive fee structure enables us to supply our clients’ legal needs effectively, efficiently, and affordably. 4-5 Gray’s Inn Square also offers a fixed price service tailored to disputes requiring a quick resolution.