What Happens If Your Business Partner Dies or Can't Work?

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Most people who ask this question ask it after something has already happened. A friend’s business fell apart. A supplier died and the family could not agree on anything for two years. Someone had a scare.

The question is simple and the answer is not comfortable, so this page works through it with real numbers. One business worth $5 million, two owners with 50 per cent each, and three versions of what has been put in place beforehand.

What actually happens on the day a business partner dies?

Their half of the business does not come to you. It goes to their estate, and from there to whoever their will names, which is usually their spouse.

That is the whole problem in one sentence.

By the end of the first month you are typically in business with someone who has never worked in it, who is grieving, who may need income from it immediately, and who has no obligation to sell to you. You have no right to buy them out. They have no right to make you buy them out. Neither of you can force the other to do anything.

Meanwhile the bank is reading the loan documents. Personal guarantees given by the deceased do not disappear. Some facilities contain a change of control or key person clause that lets the lender review the facility. Customers hear. Staff hear. Key people update their profiles.

Everything below flows from that one fact: without a written agreement, the surviving owner has no right to buy, and without funding, no ability to.

Scenario one: nothing is arranged. What does that cost?

Two owners, $5 million business, 50 per cent each, no agreement, no insurance. One partner dies.

Three things can happen and none of them is good.

The spouse stays in as a co-owner. She owns half a business she cannot run and did not choose. She wants income; you want to reinvest. She wants certainty; you want to grow. Deadlock in a 50/50 company is close to unresolvable without a court, and the legal costs come out of the business either way.

You buy her out with borrowed money. Covered in scenario two, because that is the same problem.

The business is sold. This is where the number appears. A business sold quickly, after losing one of two principals, with staff unsettled and no succession plan, does not fetch its valuation. Assume it sells for 70 per cent of $5 million. That is $3.5 million, so $1.75 million each. The estate is $750,000 short of what the interest was worth. So are you, and you have also lost your job.

At 60 per cent, each side is $1 million short.

There is a fourth outcome that nobody plans for and that happens often. Nothing is decided at all. The business drifts for eighteen months while the estate is administered and the parties negotiate, and by the time anyone agrees on anything, the value being argued over is much lower than the value they started arguing about.

Scenario two: there is an agreement but no money behind it. Is that enough?

No, and this is the most common situation of the three.

A buy sell agreement exists. It says that on the death of an owner, the survivor must buy and the estate must sell, at an agreed value or an agreed valuation method. That solves the legal problem. It does not solve the money problem, and it makes the money problem compulsory.

You are now contractually obliged to find $2.5 million.

Borrowing it. At 8.5 per cent over ten years, $2.5 million costs $30,996 a month, or $371,957 a year. Over the ten years you repay $3,719,571, of which $1,219,571 is interest. Because those repayments are made from after tax cash, a company paying 30 per cent tax needs about $531,367 a year of extra pre-tax profit to service it.

That is the fee. On a business valued at $5 million, you are committing to produce more than half a million dollars a year of additional profit for a decade, at the exact moment the business has lost half its leadership.

Whether a bank will even lend it is a separate question. The security is a private business whose principal has just died, and the serviceability calculation is being run on forecasts that no longer reflect who is doing the work.

Vendor finance instead. The estate is paid over five or seven years out of future profits. This is common and it is worse than it looks for both sides. The widow becomes an unsecured creditor of a business she no longer has any control over. If the business declines, she loses part of her husband’s life’s work. If it thrives, she watches you buy her out with money the business made after he was gone. Relationships that survive a death frequently do not survive vendor finance.

And the agreement itself may not do what you think. Agreements written years ago and never reviewed commonly fix a value that is now wrong, name a valuer who has retired, or cover death but say nothing about permanent incapacity. An agreement obliging you to buy at a stale value can be worse than no agreement at all.

Scenario three: the agreement is funded. What changes?

Everything, and it changes fast.

Each owner is insured for the value of their interest, $2.5 million. The agreement sets out the trigger events, the valuation method, who buys, who sells, and how the insurance proceeds are applied to the purchase price. On death, the claim is paid, generally within weeks rather than months.

The estate receives $2.5 million in cash. The surviving owner receives the other 50 per cent of the business and owns 100 per cent of it. There is no loan, no vendor finance, no negotiation, no deadlock and no distressed sale.

Compare the three outcomes for the estate on the same $5 million business:

That is what business succession funding buys. Not a better outcome at the margin. A different category of outcome.

What if my business partner can’t work rather than dies?

This is the scenario almost every agreement handles badly, and across a working life it is the more likely one.

Death is clean. There is a date, a certificate and an estate. Incapacity is not. A partner has a stroke, or a cancer diagnosis, or a mental health condition, and the business enters a state with no defined end point. They are still an owner. They still expect their share of the profits. They are not producing. Nobody wants to be the person who raises it.

Three separate things are needed and they are frequently confused.

Their own income. Income protection cover replaces a portion of the individual’s income while they cannot work. It is theirs, it is not the business’s, and it does not fund a buyout.

A trigger in the agreement. The buy sell agreement must define what level of incapacity, over what period, obliges a sale. A common approach is a permanent disability trigger plus a defined period of continuous absence, so that a partner who is off for three months is not bought out, and a partner who has been absent for eighteen months does not remain a 50 per cent owner indefinitely.

Funding for that trigger. Total and permanent disability cover funds a permanent exit. Trauma cover funds the period after a defined medical event where the outcome is not yet known, and gives the business cash to keep operating while everyone waits.

If your agreement covers death and not incapacity, it covers the less likely event and leaves the more likely one to goodwill.

What is business partner insurance, in plain terms?

It is not a single product. The term covers three different jobs, and they are commonly bundled and just as commonly confused.

Buy sell cover, sometimes called ownership protection. Funds the purchase of a departing owner’s share. The money goes to the person leaving, or to their estate, and the equity moves to the person staying. This is the cover the three scenarios above are about.

Key person cover. Funds the business itself, not the ownership. If the person who held the client relationships or the technical capability is gone, the business needs cash to cover the revenue dip, to recruit, and to pay the costs that continue regardless. This money goes to the business.

Debt protection. Clears business borrowings and releases personal guarantees, so that the deceased owner’s family is not still standing behind a loan for a business they no longer have an interest in. This is the one most often left out, and it is the one that reaches into the family home.

A business with a funded buy sell agreement and no key person cover has protected the ownership and left the trading position exposed. A business with key person cover and no buy sell agreement has cash and no mechanism.

Who should own the insurance, and why does it matter?

Because ownership determines whether the money arrives tax free and whether it arrives in the right hands.

There are three common structures.

Self ownership. Each owner holds a policy on their own life, and the buy sell agreement directs the proceeds to the purchase. This is the most widely used structure for buy sell funding, and the tax treatment of the proceeds is generally the cleanest.

Cross ownership. Each owner holds a policy on the other’s life. Simple with two owners, unworkable with five, and the capital gains tax treatment of a payout received by someone other than the original beneficial owner needs to be examined before it is adopted.

Insurance trust. A separate trustee holds the policies and distributes the proceeds under the agreement. This handles multiple owners and changes of ownership well, and costs more to establish and maintain.

Two rules apply whichever structure is chosen. The insurance and the legal agreement must be written together, by a financial adviser and a lawyer working from the same document, because an agreement that says one thing and a policy that does another is worse than either alone. And the cover must be reviewed whenever the business is revalued. A business now worth $5 million with $2 million of cover per owner is a business with a $500,000 funding gap and an owner who thinks it is handled.

We work through this on our business protection and succession page and in our risk insurance strategy.

How is the buyout taxed, and what changed in 2026?

Three points, and the third one is new.

Life insurance proceeds received by the original beneficial owner of the policy are generally exempt from capital gains tax. That is why the ownership structure matters and why proceeds received by the wrong party can be taxed when the same money received by the right party is not.

Premiums for life, trauma and critical care cover are not deductible where they are held personally. Premiums that protect income are. This affects the cost of the arrangement, not whether it works.

And the sale itself is a capital gains tax event for the departing owner or their estate. Until 30 June 2027, an individual selling a business interest held for more than twelve months can access the 50 per cent capital gains tax discount. From 1 July 2027 that discount is replaced for individuals and trusts by cost base indexation, and a minimum 30 per cent rate applies to capital gains made by Australian resident individuals. The small business capital gains tax concessions remain available where the business qualifies, including the maximum net asset value test of $6 million.

The practical consequence for anyone with a buy sell agreement: the after tax amount your family actually receives from a buyout is not the same number in 2028 as it was in 2026. Agreements that were built to leave the family with a specific after tax sum need to be re-run against the new rules, and the sum insured checked against the new answer.

There is also a transitional step that affects every business owner. Assets held on 1 July 2027, including shares in a private company and units in a trust, are treated as sold and reacquired at market value just before that date, with the resulting gain deferred until an actual sale and keeping its existing discount treatment. Owners of long held businesses should make sure a defensible valuation exists at that date, because the value used then determines how much of a future sale is taxed under the old rules and how much under the new ones.

How do I know if my current arrangement actually works?

Six questions. If you cannot answer all six from memory, the arrangement has not been tested.

1. If your business partner dies tonight, who owns their half tomorrow morning, and what document says so?
2. What is the business worth, who decided that, and when?
3. If the agreement obliges you to buy, where does the money come from, and has anyone confirmed the amount is still enough?
4. Does the agreement cover permanent incapacity as well as death, and what triggers it?
5. Who owns the policies, and has anyone checked that against the agreement?
6. If the business was revalued today, would the cover still match?

Question six catches the most people. Cover is usually put in place at the moment the agreement is signed and then left alone while the business triples in size.

Where to start

Start with the valuation and the document, not the insurance. Insurance is the funding mechanism for a decision that has to be made first: what the business is worth, who buys, on what trigger, and on what terms.

We do that work with business owners across Australia, coordinating with your accountant and your lawyer rather than replacing them. If you want to know where your own arrangement stands, read our business owners and SME operators advice, our protect my wealth approach, or request a consultation. We are at Level 1, 55 Collins Street, Melbourne VIC 3000, on 03 7034 4888.

Sources

1. Income Tax Assessment Act 1997, section 118-300, on the capital gains tax exemption for a life insurance policy received by the original beneficial owner. Consolidated Act.
2. Treasury Laws Amendment (Tax Reform No. 1) Act 2026, No. 49 of 2026, royal assent 26 June 2026, for the replacement of the 50 per cent capital gains tax discount with cost base indexation from 1 July 2027, the minimum 30 per cent rate on capital gains, and the deemed disposal of assets held at 1 July 2027.
3. Australian Taxation Office, Small business CGT concessions, maximum net asset value test.
4. Australian Taxation Office, Income protection insurance, on the deductibility of premiums protecting income and the non-deductibility of life and trauma premiums.
5. Australian Taxation Office, Schedule 12, tax table for superannuation lump sums, where an owner’s cover is held inside superannuation and a death benefit is paid to a non-tax-dependant.