HSM LAW
HSM Tribute to Oscar DaCosta
It is with deep sadness that we mark the passing of our much‑loved colleague and friend, Oscar DaCosta, who died this weekend past following a courageous battle with brain cancer. Oscar obtained an LLB (Hons) Degree from the University of Read more +
The ‘X Trusts’ Case – The Privy Council Confirms Protectors May Have a Substantive Fiduciary Role
On 19 March 2026, the Judicial Committee of the Privy Council delivered its judgment in A and Ors (Appellants) v C and others (Respondents) [2026] UKPC 11, overturning the Bermuda Court of Appeal and holding that the protectors of the Read more +
Cayman Immigration Law Changes Will Take Effect on 1 May 2026
On Friday, 27 March 2026, the Government announced that the “Immigration Law changes will take effect on Friday, 1 May 2026”. It appears that the Act which was passed in December 2025 and amended, prior to coming into force on Read more +
Cayman Islands Immigration Update – March 2026: Work Permit Stats and PR Factor 8 Clarity
The latest work permit statistics released by Workforce Opportunities & Residency Cayman (WORC) show that there are currently 37,075 work permits in place as of 11 March 2026. This represents a small decrease from February 2026, when 37,267 work permits Read more +
Robert Mack Joins HSM Partnership as Head of Private Client & Trusts
The HSM Group is pleased to announce that Robert Mack has rejoined HSM Chambers as a Partner to lead the firm’s Private Client practice.
Robert has more than twenty years of experience in trusts and private client matters. He specialises in private and commercial trusts of every description, including discretionary trusts, fixed/life interests trusts, charitable trusts, unit trusts, private purpose/STAR trusts and reserved powers trusts. Robert also has deep expertise concerning the establishment and administration of Cayman Islands foundation companies, wills and estates, and regulatory matters touching on wealth management and the administration of trusts and estates.
Robert advises high-net-worth families, professional service providers, banks, institutional and lay trustees, executors, protectors, enforcers, and foreign attorneys, in both non-contentious and contentious trust and estate matters.
Robert has been consistently ranked by leading directories including Chambers and Partners and Who’s Who Legal in offshore trusts. He is also widely published and his articles have appeared in Trusts & Trustees, the STEP Journal, LexisNexis and the Trust Quarterly Review on a diverse range of topics including the effects of technology on succession planning, Cayman Islands foundation companies and the transmission of digital assets on death.
He has been practicing Cayman Islands law exclusively since 2007. Prior to that he was an English qualified solicitor practicing in London. Robert was a leading Council Member of Cayman’s branch of the Society of Trust and Estate Practitioners (“STEP”) for over twelve years where he held several roles including being a member of the legislative sub-committee which develops and refines the laws of the Cayman Islands in partnership with the Cayman Islands government. He remains an active STEP member in a non-executive capacity.
HSM Managing Partner, Huw Moses, OBE shares: “We are thrilled to welcome back Robert Mack. He is an exceptional private client practitioner that goes above and beyond for clients. We look forward to Robert leading this practice.”
