Stuart Dalmedo

Partner

Meet Stuart's team

Stuart is a Tier-1 ranked tax lawyer advising high-net-worth individuals, family offices, and international businesses on Gibraltar tax, residency, global mobility, and private wealth structuring.

Dual-qualified in England & Wales and Gibraltar, Stuart is recognised by The Legal 500 as a “Next Generation Partner” in Tax and by Chambers & Partners as “Up & Coming” in the Private Client / HNW space. He leads the firm’s work on complex domestic and cross-border tax matters, including Category 2 (Cat 2) and High Executive Possessing Specialist Skills (HEPSS) applications.

Stuart plays an active role in shaping Gibraltar’s tax and regulatory landscape. He is a member of the Gibraltar Finance Centre Council Tax Sub-Committee and sits on the STEP Gibraltar Technical Committee, working closely with industry and Government stakeholders.

He holds public appointments with the Office of Fair Trading, having served on the Business Licensing Authority (BLA) (2019–2023), and currently sits on the Decision Making Committee (DMC) under the Fair Trading Act 2023.

Stuart also advises fintech clients on regulatory and structuring matters, including Distributed Ledger Technology (DLT) Provider authorisations and VASP registrations before the GFSC.

A regular speaker on Gibraltar tax and cross-border issues, Stuart lectures at the University of Gibraltar and the International School of Financial Services.

Prior to joining ISOLAS in 2016, Stuart was Tax Manager at Grant Thornton Gibraltar.

With over 15 years of specialist experience, Stuart is a leading adviser on domestic and international tax matters. He supports clients in building tax-efficient structures that remain fully compliant with Gibraltar’s regulatory framework.

He regularly advises on:

  • Relocating to Gibraltar, including Cat 2 and HEPSS applications
  • Structuring for high-net-worth individuals and globally mobile families
  • Cross-border tax matters, particularly involving Gibraltar and Spain
  • Tax and structuring for holding, trading, and investment entities
  • Compliance with CRS and FATCA
  • Advisory work on Gibraltar tax policy and regulation

Stuart is a co-author of several leading publications including the Legal 500 Tax Country Comparative Guide (Gibraltar), the Chambers & Partners Corporate Tax Guide, and ICLG Private Client.

Stuart provides tailored legal and tax advice to high-net-worth individuals, families, and family offices, with a focus on succession planning, relocation, and governance. His advice reflects each client’s financial objectives, family dynamics, and cross-border considerations.

His expertise includes:

  • Private wealth structuring for asset protection and succession
  • Establishment and administration of family-owned investment structures
  • Acting as trusted legal adviser to family offices on governance and compliance
  • Relocation planning including Cat 2 and HEPSS status
  • Reporting compliance including CRS and FATCA
  • Gibraltar–Spain cross-border tax and mobility matters
  • Set-up of structures including trusts and foundations
  • Advising on beneficial ownership regulation and transparency obligations

Stuart also serves as protector to a private family trust and director of family investment vehicles, providing practical, commercially-focused insight to his advisory role.

Stuart advises fintech and virtual asset businesses on regulatory and tax matters connected to Gibraltar. He has acted for numerous high-profile clients in applications before the GFSC, including:

  • Distributed Ledger Technology (DLT) Provider authorisations
  • VASP registrations under Gibraltar’s FATF-aligned framework
  • Governance and structuring of crypto-related investment vehicles

He is a member of the Crypto Tax Forum, reflecting his active role at the intersection of tax and digital asset regulation.

Stuart has advised professional athletes, football clubs, and prospective club owners on commercial and regulatory matters, including engagements involving former Real Madrid footballer Míchel Salgado.

 

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Accreditations

  • "An outstanding professional"

    Legal 500

  • "His expertise in Gibraltar's tax laws has been invaluable"

    Legal 500

  • "Stuart's technical knowledge and ability to simplify complex issues makes him stand out"

    Legal 500

  • “One of the best lawyers I have worked with over the past 25 years”

    Private Client

  • "Stuart provides excellent advice, in particular with tax issues."

    Chambers HNW

Memberships & Background

Memberships

  • The Law Society of England and Wales
  • The Gibraltar Law Council
  • Affiliate Member of the Society of Trust and Estate Practitioners (STEP)
  • International Association of Young Lawyers (AIJA)

Background

2022: Partner, ISOLAS LLP
2018: Senior Associate, ISOLAS LLP
2016: Associate, ISOLAS LLP
2015: Secondment, ISOLAS
2015: Called to the Gibraltar Bar
2015: Admitted as a Solicitor to the Senior Courts of England and Wales
2010–2015: Tax Manager at Grant Thornton, Gibraltar