What is Testamentary Trust? A Guide for Singapore Residents

A testamentary trust is a trust that is written into a will and comes into existence only when the will-maker dies. Rather than transferring assets outright to beneficiaries at death, the assets are held by a trustee and managed or distributed according to specific instructions in the will.

In Singapore

Testamentary trusts in Singapore are governed by the Trustees Act and the terms of the will. They are commonly used when:

• Beneficiaries are minor children — allowing the estate to be managed for their benefit until they reach a specified age, rather than being held by the Public Trustee by default
• A beneficiary is vulnerable or cannot manage money — for example, a family member with a disability or a history of financial difficulty
• The will-maker wants to stagger distributions — giving a portion at 25, more at 30, rather than handing over a large sum all at once
• Ongoing income is needed — for example, a trust providing annual distributions to a surviving spouse

How It Differs from a Standard Will

In a standard will, assets pass directly to beneficiaries when probate is completed. In a will with a testamentary trust, assets are transferred to the trustee, who then manages them according to the trust terms before eventually distributing to the beneficiaries.

The trustee has a legal duty to act in the interests of the beneficiaries and in accordance with the trust document.

The Trustee’s Role

The trustee is responsible for:

• Holding and managing the assets
• Making distributions according to the trust terms
• Keeping records and accounts
• Exercising discretion where the trust grants it (for example, paying for education or medical expenses)

Trustees can be individuals or licensed corporate trustees. Individual trustees are typically family members, but this creates a reliance on trust and longevity. Corporate trustees provide professional management and continuity.

CPF and Testamentary Trusts

One important limitation: CPF savings cannot be directed into a testamentary trust through the CPF nomination. CPF nominations must name individuals. The testamentary trust governs probate assets only. A comprehensive plan typically addresses CPF savings separately from the will-based trust structure.

Advisor Perspective

Testamentary trusts come up most often in my work with parents of young children, particularly single parents. The default outcome without a trust — a lump sum paid to an 18-year-old or held by the Public Trustee — is rarely what a parent would choose. A testamentary trust allows the estate to be managed actively, with distributions tied to milestones, needs, or ages that make sense for the family. It takes more work to set up than a simple will, but for families with minor children, it is often the right structure.

Common Mistakes

Using an individual trustee without a successor named. If the trustee dies or becomes incapacitated, the trust is in limbo. A successor trustee should always be named.

Not specifying distribution events clearly. Vague instructions (e.g., “when my children are mature”) create disputes. Specific ages or events are better.

Assuming a testamentary trust covers CPF. It does not. CPF nominations need to be handled separately and in coordination with the trust design.

Not discussing the trustee role with the intended trustee. Like the executor, the trustee needs to understand and accept the responsibility before it is imposed.