Mark Isola KC


Meet Mark's team

Mark acts regularly for major businesses and employers in Gibraltar, including the Government of Gibraltar and other public bodies, combining a commercial and civil dispute resolution practice, and specialising and recognised as a leading expert in employment, landlord and tenant, and property law. His unique 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.

Mark regularly advises the transactional team on mergers and acquisitions involving as they do a wide range of businesses from gaming, e-commerce, banking and property sectors, and specifically from an employment and commercial property law perspective.

Mark is assisted by Senior Associate, Nick Isola, a solicitor and junior counsel.

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 most major employers, including the Gibraltar Health Authority, the Government of Gibraltar, the Ministry of Defence, as well as senior members of management of both local and international companies.  Mark’s clients appreciate his ability to resolve their issues in a discrete, sensitive and effective manner.

Mark is also a Chairperson of the Employment Tribunal of Gibraltar.

In 1985 Mark was called to the Bar of England and Wales and the Gibraltar Bar. In 1996 he was made Partner at Messrs Triay & Triay before becoming a Partner at Messrs ISOLAS in 2009 and of ISOLAS LLP in 2017.

Mark was appointed Queen’s Counsel in February 2012.

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


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 KC Get in touch

Mark's team: Nicholas Isola