Fintor Logo
Article Thumbnail

Complex Estates: When Your Will Needs a Broader Plan

Blended families, businesses, trusts and SMSFs can require more coordinated estate planning.

4 October 2026

A simple Will can work well when your family arrangements and assets are straightforward. But as you approach retirement, your financial life may include much more than a home, bank accounts and personal belongings.

A second marriage, adult children from different relationships, a family business, a trust, an SMSF or overseas assets can all create decisions that a Will may not fully address on its own.

In these situations, estate planning is about making sure your legal documents, ownership structures and beneficiary arrangements work together towards the outcome you intend.

What can make an estate more complex?

Complexity is not determined only by how much you own. It can come from who you want to provide for, how your assets are owned and who controls them.

You may need more tailored estate-planning advice if you:

  • have a blended family or children from a previous relationship.

  • want to support a current partner while preserving an inheritance for your children.

  • own or control a company, family business or farm.

  • hold assets through a family or discretionary trust.

  • are a member or trustee of an SMSF.

  • have assets or beneficiaries overseas.

  • want to provide differently for a vulnerable beneficiary.

  • are concerned that your Will may be challenged.

A Will generally deals with assets that form part of your estate. It does not automatically control every part of your financial position.

Where can the gaps appear?

Superannuation is a common example.

Your super does not automatically pass according to your Will. How a death benefit is paid can depend on any valid beneficiary nomination, the super fund's rules and superannuation law.

For an SMSF, there can be an additional issue: control. The fund's trust deed, trustee structure and arrangements for what happens when a member dies can affect who is able to make decisions about the fund and how the death benefit is dealt with.

Family trusts can create another layer.

Assets held by a family or discretionary trust are generally governed by the trust deed rather than simply passing under your personal Will. Estate planning may therefore need to consider who will control the trust after your death and what powers or interests you personally hold.

Changes in who acts as trustee, director of a corporate trustee or another key controlling role can have a major influence on what happens next.

Businesses can also require separate succession planning.

The person who inherits shares in a business may not necessarily be the person best placed to run it. If other family members, business partners or employees rely on the business, it may be important to decide in advance who should take control and how ownership should transition.

Dynamic image
Case study: Helen's estate is more than her home

This is a fictional example. The appropriate outcome would depend on the relevant laws and Helen's documents and circumstances.

Helen is 61 and remarried. She has two adult children from her first marriage and wants her husband to remain financially secure while also preserving an inheritance for her children. She owns a home with her husband, has an SMSF with him and controls a family trust holding investments and shares in a small business.

Her current Will leaves her estate to her husband, with her children named as beneficiaries only if he dies before her. Helen assumes this means her husband will be looked after first and her children will ultimately inherit what remains. But her Will may not determine what happens to every part of her financial position.

The way the home is owned can affect what happens to her interest in it. Her SMSF death benefit is subject to separate superannuation arrangements. The family trust has its own deed and control structure, while the business raises additional succession questions.

Helen therefore needs to look at the arrangements together rather than relying on the Will alone to produce the outcome she expects.

More than a Will

For someone with more complex circumstances, an estate plan may involve a combination of:

  • an updated Will.

  • superannuation beneficiary nominations.

  • SMSF succession arrangements.

  • trust and company succession planning.

  • powers of attorney.

  • health or guardianship documents.

  • arrangements for business ownership and control.

A testamentary trust may also be considered in some circumstances, particularly where an inheritance needs to be managed for children or vulnerable beneficiaries. It is not necessary or appropriate for everyone, and specialist legal advice is important before deciding whether one belongs in your plan.

The objective is not to create complexity for its own sake. It is to make sure that each part of your financial life works with the others.

Ask whether all the pieces point in the same direction

The key question is not whether your estate looks particularly wealthy or complicated.

It is whether your family arrangements, ownership structures, beneficiary nominations and legal documents are all likely to produce the outcome you expect.

That becomes increasingly important as retirement approaches because this is often when super balances, property, businesses and other assets are at their most significant, while family circumstances may also have become more complex.

A free Retirement Check-Up can help you review your broader financial position and identify areas, including estate planning, that may require closer attention before retirement.

If moneyGPS is new to you, sign up to get started. If you are already a member, open your Retirement Check-Up to see where you stand.

Recommended Articles

General information. This article is general information about Wills and estate planning. Wills, intestacy and estate laws differ between Australian states and territories and can change over time, so this information may not reflect the law that applies to you. It is not personal financial or legal advice, and it does not consider your objectives, financial situation or needs. Consider whether it is right for you before acting on it, seek your own legal advice for your estate, and read the Financial Services Guide and Privacy Policy. moneyGPS is provided under the AFSL of Fiduciary Financial Services Pty Ltd, AFSL 247344, ABN 76 003 624 888. The case study is fictional and provided for illustrative purposes only. The information used to prepare this article was current as at October 2026. For more information or to explore the support available to you, visit the moneyGPS platform. If you are new to moneyGPS, you can register using the partner access code provided by your accountant or adviser.