Mark Isola QC


Meet Mark's team

Mark regularly acts for major businesses and employers in Gibraltar, including the Government of Gibraltar and other public bodies, combining a commercial and civil dispute resolution practice, specialising in employment, property, landlord and tenant and general insurance matters.

His commercial and dispute resolution background enables him to advise and address almost all issues that might affect any business in their day-to-day activities, and in particular property, commercial, employment, licensing and general insurance matters. He is well recognised as a leading expert in the field of property and employment law.

He regularly advises on the international transactional work that comes from mergers and acquisitions involving a wide range of businesses including gaming, e-commerce, banking and property, often from an employment and commercial property law perspective.

Mark is a chairman of the Industrial Tribunal of Gibraltar, has formed part of the Minister for Justice’s Consultation Committee on the Reform of Employment and Personal Injuries, and was appointed by the Chamber of Commerce of Gibraltar to review employment legislation. He has advised most major insurers in Gibraltar, and has a strong commercial knowledge of all issues relating to the petroleum business.

Mark was appointed Queen’s Counsel in February 2012.

Mark is a leading lawyer in property and landlord and tenant work, and acts for several major developers, property management groups and management companies in Gibraltar with respect to their property and landlord and tenant disputes. His background in both commercial work and dispute resolution allows a greater insight and perspective, and the ability to address and resolve the more difficult and technical commercial issues arising in respect of property matters, including general building insurance issues and planning disputes, in an effective and pragmatic manner.

Mark is a leading expert in the field of employment law in Gibraltar and has acted on behalf of many major employers, including the Gibraltar Health Authority, the Government of Gibraltar, the Ministry of Defence, as well as many senior employees of local companies, who appreciate his ability to resolve their issues in a discrete, sensitive and effective manner.

Mark acts for several major developers/property management groups/management companies with respect to their property and landlord and tenant disputes, and is a well-recognised expert in this field, including in relation to planning disputes and property insurance claims.


  • ‘Mark is a leader in the field of property and employment law.’

    Chambers Global

  • ‘He has a wealth of corporate and commercial expertise.’

    Chambers Global

  • ‘He is particularly sought after for his strengths in licensing and insurance matters.’

    Chambers Global

Memberships & Background


  • Honourable Society of the Inner Temple
  • Gibraltar Bar Council
  • Chairman of the Industrial Tribunal
  • Law Reform Committee


2017: Partner, ISOLAS LLP
2012: Called to the Inner Bar of England & Wales and the Gibraltar Bar
2009: Partner, ISOLAS
1996⁠–2009: Partner, Triay & Triay
1985: Called to Bar of England and Wales and the Gibraltar Bar


Mark W. Isola QC Get in touch

Mark's team: Nicholas Isola