Is a Cook Islands trust legal

Written and reviewed by Connor SteensJohn Evans
Updated
offshore trusts
Flag of the Cook Islands
Asia PacificCook Islands
Legal status
Lawful
Recognised under Cook Islands statute
Tax obligations
Unaffected
Residence, not location, decides
Reporting
Still required
CRS and home-country rules
Fraudulent settlement
Challengeable
Under s.13B, on two limbs

The short answer

Yes. As a lawful structure, a Cook Islands trust is recognised under the International Trusts Act 1984, run by a trustee who is licensed and overseen by the Financial Supervisory Commission, and it is a familiar tool for private clients, family offices and the advisers who serve them. Where a trust is set up and run correctly and everything is disclosed to the authorities concerned, it amounts to neither tax evasion nor money laundering nor fraud. Rather, it is a way of holding property under a foreign jurisdiction whose statutes were written specifically to enable it.

In truth, most people are asking something more specific: can this stop me paying tax, or let me beat a creditor I already owe? In both cases the answer is no, and that point matters a great deal more than the broad question of legality, since it is what decides whether a given trust survives, rather than whether the idea is allowed in principle.

What the statute permits

Strong creditor protection provisions. A registered international trust enjoys short limitation windows, a criminal burden of proof for claims of fraudulent disposition, and refusal to recognise foreign judgments. Far from accidental, these features were deliberately built into a statute that has been law since 1984 and has withstood reported litigation across thirty years.

Regulated administration. There has to be at least one trustee holding a licence under the Trustee Companies Act 2014. Roughly ten firms hold such a licence at present, and each one must carry NZD 250,000 of paid-up capital together with professional indemnity cover. Acting as a trustee without a licence is a criminal offence. It is precisely this regulatory bar that sets a properly run Cook Islands trust apart from an unregulated offshore setup that might well, and reasonably, draw scrutiny.

Clear qualifying conditions. Neither may the trust have beneficiaries resident in the Cook Islands, nor may it own Cook Islands land, and a licensed trustee must administer it. Meeting those conditions is what turns it into an international trust under the Act, rather than merely a trust that happens to sit in the Cook Islands.

What it does not remove

Three things pass through the trust wholly unchanged.

Tax. You stay liable, under the law of the country where you are tax resident, on your income and gains worldwide. All the trust alters is who legally owns an asset. It leaves your tax residence untouched, and it leaves untouched the jurisdiction in which you earned the income. A US person settling a Cook Islands trust keeps filing US tax returns covering their worldwide income, the trust's own income included. Under the OECD Common Reporting Standard, financial account details, trust accounts among them, are shared automatically among participating jurisdictions, which by now exceed a hundred.

Reporting obligations. Independently of CRS, US persons carry their own obligations for foreign trusts on Forms 3520 and 3520-A. Comparable rules for reporting foreign financial interests exist in most other jurisdictions. Whatever disclosure of foreign trust interests your home country demands, nothing in Cook Islands law changes that demand. A trust left undisclosed where disclosure is required is not a strongly protected legal structure at all. It is concealment, and being caught concealing carries consequences far worse than the exposure the trust was intended to deal with.

Existing obligations. No trust wipes out a debt, ends a marriage, or releases you from a fiduciary duty owed to another party. What it does is shift an asset into a different holding arrangement. It leaves your obligations intact, and a creditor whose claim was already in existence at the time you settled may contest the transfer on its merits under section 13B.

Where protection ends and evasion begins

Tax evasion and asset protection are two different things, and most of the public muddle over offshore trusts stems from treating them as one. Asset protection is lawful. It means holding your assets openly through a structure that makes a civil creditor's reach harder, all while fully disclosing that structure to the tax and regulatory authorities concerned.

By contrast, tax evasion is unlawful. It means hiding income or assets from a tax authority entitled to know about them. A Cook Islands trust put to work for asset protection is not being used to evade, because it sits on the record: the trustee knows who settled it, the bank has done its due diligence, and tax authorities get CRS reports that name the parties involved.

The point at which things turn unlawful is when the structure is used to hide assets from a tax authority that is owed disclosure, or when assets are settled deliberately to defeat a creditor whose claim already exists or can reasonably be foreseen. Each of those turns on intent and timing rather than on which jurisdiction was picked. An identical transfer to an identical trustee is either a lawful asset protection structure or a fraudulent disposition, and the difference lies in when it took place and what the settlor knew at that moment.

Where trusts have failed

Thirty years of reported litigation teaches more about what fails than about what succeeds.

Where settlors have kept so much real control that the trustee's independence turned out to be a fiction, trusts have collapsed. In FTC v Affordable Media, the Andersons acted at once as co-trustees and protectors of their own trust, and their retained protector powers outlasted their removal as co-trustees. Under Cook Islands law the trust itself was never successfully attacked. The assets remained in the Cook Islands. It was the settlors' retained control, not any flaw in the statute, that led to the contempt finding.

Trusts have also fallen down on timing, where the settlement came after a claim had already crystallised, leaving the transfer open to challenge within the narrower window under section 13B(3)(b). The nearer the transfer sits to an existing cause of action, the stronger the inference of intent and the shorter the limitation period.

Neither result proves the structure unlawful. Both illustrate what follows when a lawful structure is handled wrongly: drafted with too little independence, or funded at the wrong moment. In each case the statute did its job. The particular execution did not.

Doing it correctly from day one

Four practices divide a trust that survives from one that does not, and every one of the four concerns execution rather than the choice of jurisdiction.

Settle early. Before any claim exists or can reasonably be foreseen. This is the single biggest variable, and the one most commonly mishandled, because clients tend to begin planning once a threat surfaces rather than while no specific threat is present.

Give the trustee genuine independence. Hold back only what you genuinely need, and accept that unless the trustee can turn you down, the structure means nothing. A trustee who never refuses you is one whose decisions a court will treat as your own.

Disclose fully. To the trustee, to your bank as it performs due diligence, and to your tax authority. A structure resting on concealment collapses the instant the concealment comes to light, and that collapse costs more than the original exposure ever would have.

Get advice in your own jurisdiction. A Cook Islands trustee can guide you on Cook Islands law. What you must report at home, and the trust's tax consequences there, can only come from a qualified adviser in your own country. Secure that advice before you settle a thing.

What full compliance looks like in real terms

Here is how a Cook Islands trust run in full compliance appears: the trustee was selected and onboarded with complete identity, source of wealth and solvency documentation. Execution of the deed came before any claim existed or was reasonably foreseeable. Through CRS, FATCA filings, or equivalent channels in the settlor's home country, the trust is disclosed to the tax authorities concerned. A US settlor files Forms 3520 and 3520-A each year. At the moment of settlement the solvency affidavit was accurate. The trustee brings genuine independent judgement to distributions. The protector is truly independent of the settlor. Reserved powers go no further than the investment management exception and include nothing that opens a path to direct access to the assets.

Such a structure is entirely legal. There is nothing in it amounting to concealment, evasion, or conduct that any tax or regulatory authority would call improper. It is an asset holding arrangement under a foreign jurisdiction's statute that has run for forty years, faced testing in the federal appellate courts time and again, and has not been held unlawful in a single reported case.

What non-compliance looks like, and why it counts

The very same structure turns non-compliant the moment any of those conditions goes unmet. The compliance failures seen most often are hiding the trust from the tax authority concerned by neglecting to file required foreign trust reporting, using the trust to move taxable income offshore without proper reporting, and hiding the trust from a court that has ordered disclosure in post-judgment proceedings.

Every one of those failures is unlawful in its own right, and every one brings consequences far worse than the underlying exposure the trust was meant to handle. A settlor who does not file Forms 3520 and 3520-A faces penalties that overwhelm the cost of filing. A settlor who hides the trust from a court in post-judgment proceedings faces contempt and possible criminal sanction for the concealment itself, quite apart from whatever the court decides about the underlying judgment.

The structure is a tool. Whether it is legal turns entirely on how it is put to use. A fully disclosed, properly administered Cook Islands trust is legal. A Cook Islands trust used to conceal is not, and the Cook Islands law that shields the trust's terms does not stretch to shielding the settlor's unlawful conduct back home.

General information, not legal advice. See how the trust works and what the case law genuinely demonstrates.

Speak to a specialistCurious whether it suits your situation?A confidential call. Where a structure is not warranted, we will say so plainly, as we frequently do.Book a consultation Cook Islands Trust formation starting at $10,000, first-year trustee costs included.
Speak to a specialistCurious whether it suits your situation?A confidential call. Where a structure is not warranted, we will say so plainly, as we frequently do.Book a consultation Cook Islands Trust formation starting at $10,000, first-year trustee costs included.
(Review & sourcing)
Written by
Connor Steens
BBus, business development
Reviewed by
John Evans
20+ years, offshore structuring
Last updated
17 August 2026
General information
Sourced from
Primary statute
ITA 1984 & OECD guidance
02Trustee Companies Act 2014 — licensing and capitalisation requirements.
03OECD Common Reporting Standard — financial account information exchanged automatically.

Yes. Under the International Trusts Act 1984 it is a lawful property holding arrangement, run by a licensed trustee overseen by the Financial Supervisory Commission. It requires full disclosure to the tax and regulatory authorities concerned. Used correctly it is asset protection, and that is lawful. Turned into a way of hiding assets from a tax authority owed disclosure, it becomes concealment, and that is not.

No. Where you are liable on income and gains is set by your tax residence. All the trust changes is who legally owns an asset. It changes neither where you earned the income nor where you live. A US person who settles a Cook Islands trust keeps filing US returns covering worldwide income, trust income included. The OECD Common Reporting Standard calls for financial account information, trust accounts among it, to be exchanged across more than a hundred participating jurisdictions.

Asset protection means openly holding assets through a structure that puts them further out of a civil creditor's reach, while fully disclosing that structure to every authority concerned. Tax evasion means hiding income or assets from a tax authority owed disclosure. A properly run Cook Islands trust is the first. Deploying it to hide assets from a tax authority is the second, and it is unlawful whatever jurisdiction is chosen.

Where the settlor held on to too much control, most notably in FTC v Affordable Media, in which the Andersons acted as their own co-trustees and protectors. And where the timing was poor, the transfer having been made after a claim was live or foreseeable. Neither result reflects any failure of the statute. Both reflect errors of structure or timing that the statute simply cannot make up for.

No. The Cook Islands takes part in the OECD Common Reporting Standard, and financial account information goes automatically to the tax authorities of the parties concerned. Wherever your home country requires it, the trust's existence has to be disclosed. Leaning on confidentiality under Cook Islands law in place of disclosure required at home is concealment, and it carries consequences far worse than the original tax obligation.

No. Asset protection is a tool against civil creditors. A domestic criminal proceeding involving forfeiture, proceeds of crime, or tax fraud is a wholly different kind of exposure that Cook Islands trust law does not touch. Any adviser who claims otherwise is describing something other than what the statute actually offers.

In force since 1984, the statute has seen several amendments, and each has generally reinforced protection rather than eroded it. Across thirty years of political change and international pressure, including pressure from the United States, the Cook Islands has held on to its asset protection statute. No jurisdiction can promise its law will never shift, but on this the Cook Islands track record runs more consistent than most.

A US settlor has to file Forms 3520 and 3520-A each year. A US beneficiary who receives distributions carries separate reporting duties. These obligations stand apart from anything Cook Islands law provides and bring penalties for non-compliance far steeper than those for ordinary domestic reporting lapses. Before the trust is settled, qualified US tax counsel should advise on the full range of obligations.

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