Offshore Trust Structuring Experts: Building Multi-Jurisdictional Asset Protection the Right Way
Offshore trusts remain among the most powerful tools in international wealth planning — and among the most dangerous to implement without genuine expertise. The IRS has built a comprehensive compliance regime around foreign trusts involving US persons: Form 3520 (Annual Return to Report Transactions with Foreign Trusts), Form 3520-A (Annual Information Return of Foreign Trust), and the grantor trust attribution rules that determine whether trust income flows back to the US grantor. Our offshore trust structuring experts navigate every layer of this compliance architecture.
Foreign Grantor Trusts: Tax Transparency by Design
A foreign grantor trust in which a US person is treated as the grantor for US income tax purposes — because the grantor retains certain powers over the trust or retains beneficial interests — is treated as a transparent entity for US tax purposes. The trust's income flows directly through to the grantor's US return, it is taxed as if the grantor owned the assets directly, and the trust itself does not pay US tax. This treatment is often deliberately sought in pre-immigration planning: by establishing a foreign grantor trust before triggering US residency, the family can accumulate income in the trust during the grantor's pre-immigration period free of US tax (subject only to local home-country taxation), with the trust shifting to non-grantor status — and becoming tax-exempt from US tax on foreign-source income — once the US residency is established with proper structure in place.
The critical compliance obligation for foreign grantor trusts is Form 3520-A — an annual information return filed by the foreign trustee (or substituted by the US grantor if the trustee fails to file) that discloses the trust's income, distributions, and asset values. Failure to file Form 3520-A carries a penalty of the greater of $10,000 or 5% of the gross value of the trust's assets. Our foreign compliance specialists ensure every annual filing obligation is met on time.
Asset Protection Trusts: The Cook Islands and Beyond
Self-settled asset protection trusts established in jurisdictions with favorable trust law — the Cook Islands, Isle of Man, Nevis, and similar — can provide meaningful creditor protection for UHNW individuals concerned about future litigation risk, professional liability, or business creditor claims. These jurisdictions typically have short statutes of limitations for fraudulent transfer claims, do not enforce US court judgments directly, and require creditors to establish their claims in the local jurisdiction under unfavorable procedural rules.
However, these structures carry significant compliance obligations and must be established and operated with meticulous legal formality to avoid either IRS reclassification or contempt-of-court issues when US courts order repatriation of trust assets. Form 3520 must be filed annually by any US person who transfers property to a foreign trust or receives distributions from a foreign trust. The penalties for failure to file Form 3520 are 35% of the gross value of assets transferred to the trust or 35% of the gross value of distributions received. We coordinate the annual compliance filings and structural reviews that keep offshore asset protection structures operating within the legal framework required for their continued effectiveness. Our trust advisory team works in concert with qualified local foreign counsel in each jurisdiction.
Related Resources
International Tax
Cross-border structuring and offshore compliance strategy.
Foreign Income & FBAR
Form 3520, 3520-A, and offshore account reporting.
Estate & Trust Planning
Domestic and international trust formation and administration.
IRS Streamlined Filing
Coming into compliance for unreported foreign trust interests.