If your family has ties to both Canada and the United States—dual citizenship, property in both countries, a business that operates across the border, or children who may live in either jurisdiction—your trust architecture must speak both languages.

The differences are not minor. A US revocable trust is tax-neutral in America (a “disregarded entity”) but is treated as a separate taxpayer in Canada, potentially triggering immediate tax obligations. A Canadian family trust distributes income to beneficiaries for tax efficiency, while a US grantor trust retains income and has the grantor pay the tax—a feature that does not exist in Canada. An irrevocable trust in South Dakota can last in perpetuity; a Canadian trust faces the 21-year deemed disposition. The US has a $15 million estate tax exemption; Canada has no estate tax at all, but taxes capital gains at death.

Complementary Structures

The families who navigate this well do not choose one country’s system over the other. They architect complementary structures that leverage the strengths of each jurisdiction. A Canadian discretionary trust handles the family’s Canadian assets with proper 21-year planning. A US irrevocable trust in a favorable jurisdiction (South Dakota, Nevada) holds US assets with perpetual duration and no state income tax. The two structures share governance principles, value transmission frameworks, and trustee selection criteria—but operate independently under their respective legal systems.

Common Traps

Cross-border families most often fail by assuming one country’s instrument will work in the other. A US revocable trust brought to Canada triggers unexpected tax treatment. A Canadian trust with US beneficiaries faces complex IRS reporting requirements. Insurance policies written in one jurisdiction may not align with trust structures in the other. Each element of the architecture must be evaluated through both lenses simultaneously.

The principle behind cross-border planning: sovereignty does not recognize borders. Your right to steward your family’s resources according to your values exists in every jurisdiction. The instruments adapt to local law. The philosophy remains constant.

Grace can help you think through a cross-border architecture.