The information on this website is general in nature and does not take into account your objectives, financial situation, or needs. Consider seeking personal advice from a licensed adviser before acting on any information.
Key person insurance and buy-sell insurance can both form part of business protection planning, but they solve different problems. One helps the business absorb the financial impact of losing a critical person; the other helps fund ownership transfer under a succession agreement.
Key person insurance and buy-sell insurance are often discussed together because both can help protect an Australian business if an owner, director or important employee dies, becomes seriously ill or is unable to continue working. However, they are not the same thing.
In simple terms, key person insurance is usually about business continuity. Buy-sell insurance is usually about ownership succession. Understanding the difference matters because the policy structure, ownership, beneficiary, insured events and legal documents may all be different.
This article explains the practical difference between key person insurance vs buy sell insurance, how the two can work together, and the questions business owners, co-founders, directors and shareholders should consider before putting cover in place.
What is key person insurance?
Key person insurance is cover arranged to help a business manage the financial impact of losing a person who is important to its revenue, operations, relationships, strategy or finance arrangements. The key person might be a founder, managing director, revenue-generating employee, technical specialist or another person whose absence would create a measurable business risk.
Depending on the cover selected and the policy terms, key person insurance may respond to events such as death, total and permanent disablement or certain serious illnesses. The exact insured events depend on the insurer, policy type and underwriting outcome.
The business is commonly the policy owner and beneficiary, although structures can vary. If a claim is payable, the proceeds are generally intended to help the business deal with disruption, such as:
- replacing lost revenue or profit contribution;
- funding recruitment, temporary expertise or training;
- repaying or reducing business debt;
- maintaining confidence with lenders, suppliers, investors or major clients;
- supporting a transition period while responsibilities are redistributed.
For more background on the business continuity purpose of this type of cover, see Key Person Insurance: Protecting Your Most Valuable Assets.
What is buy-sell insurance?
Buy-sell insurance is not always a separate retail policy category. It is commonly a way of using life insurance, total and permanent disablement cover or trauma cover to fund a buy-sell agreement between business owners.
A buy-sell agreement sets out what happens to an owner's shares or business interest if a specified trigger event occurs. These events may include death, permanent disablement, serious illness, retirement, resignation or another agreed event. Insurance is often used to provide funding when the trigger event is insurable.
The purpose is usually to help the remaining owners acquire the departing owner's interest, or to help the departing owner or their estate receive value for that interest. This is why buy-sell insurance is often discussed alongside shareholder protection insurance and business succession insurance.
The details depend heavily on the buy-sell agreement, business structure, ownership percentages, valuation method, tax position and insurance arrangements. Legal and tax advice are usually important because the agreement and policy ownership structure need to work together.
Key person insurance vs buy-sell insurance: the main differences
The easiest way to separate the two concepts is to ask: who is the money intended to protect, and what problem is it meant to solve?
| Feature | Key person insurance | Buy-sell insurance |
|---|
| Main purpose | Helps protect the business from financial loss caused by losing a key person. | Helps fund transfer of ownership under a buy-sell or succession agreement. |
| Typical problem addressed | Revenue disruption, operational disruption, debt pressure, recruitment and transition costs. | How remaining owners buy out a departing owner's interest, or how an estate receives value. |
| Who is usually protected? | The business entity and its ongoing operations. | Business owners, shareholders, partners, their families or estates, depending on the structure. |
| Who may be insured? | A key employee, founder, director, owner or other crucial person. | Usually business owners, partners or shareholders covered by the buy-sell agreement. |
| Who receives proceeds? | Often the business, but this depends on policy ownership and structure. | Depends on the agreement and ownership structure; proceeds may be used to fund purchase of an ownership interest. |
| Linked documents | May link to business risk management, loan arrangements or internal continuity planning. | Usually needs a buy-sell agreement, shareholders agreement, partnership agreement or succession documentation. |
| Common planning focus | How much cash the business needs to remain stable after losing a key contributor. | How ownership will transfer and how the purchase price will be funded. |
A practical example
Consider a company with two equal shareholders. One shareholder is also the main salesperson and holds several major client relationships.
If that shareholder dies or becomes unable to work, the business may face two separate issues:
- Business continuity issue: the company may lose revenue, need to hire replacement leadership, reassure clients and manage cash flow. Key person insurance may help with this.
- Ownership succession issue: the remaining shareholder may want to acquire the deceased shareholder's interest, while the estate may need fair value for that interest. Buy-sell insurance may help fund that transfer if the agreement and policy structure support it.
In this situation, one type of cover may not solve both problems. A payment to the business for key person disruption does not automatically buy out a shareholder's estate. Likewise, insurance designed to fund a share purchase may not leave the business with enough working capital to manage operational disruption.
Can one policy do both jobs?
Sometimes the same person's life or health risk is relevant to both key person insurance and buy-sell planning. However, using one policy to serve both purposes can create problems if the ownership, beneficiary and agreement terms are not carefully structured.
For example, if proceeds are paid to the business to cover lost profit and recruitment costs, those proceeds may not be available to fund an ownership buyout. If proceeds are paid to owners or an estate under a succession arrangement, the business may still face cash flow pressure.
Whether separate policies, split sums insured or another arrangement is appropriate depends on the business structure, ownership documents, cash flow, tax considerations, insurability and insurer terms. Business owners should not assume that a single policy will automatically cover both continuity and succession needs.
How buy-sell agreements fit with insurance
Insurance is only one part of buy-sell planning. The agreement is what usually sets out rights and obligations between owners. It may cover matters such as:
- which events trigger a sale or purchase obligation;
- how the business interest is valued;
- who has the right or obligation to buy;
- how insurance proceeds are applied;
- what happens if the insurance payout is less than the agreed value;
- how uninsured events, exclusions or declined claims are handled;
- timeframes for completion and dispute resolution.
These issues are legal and financial in nature, so it is generally sensible to involve appropriate professional advisers. Insurance can provide funding, but it should be coordinated with the agreement rather than arranged in isolation.
Questions to ask before choosing a structure
Before deciding between key person insurance, buy-sell insurance or a combination, business owners may find it useful to work through the following questions:
- Who are the people whose death, disablement or illness would materially affect the business?
- Would the main financial impact be lost revenue, debt pressure, ownership transfer, or all of these?
- Who should receive any insurance proceeds and for what purpose?
- Is there a current shareholders, partnership or buy-sell agreement?
- Does the agreement match the proposed insurance ownership and beneficiary structure?
- How will the business interest be valued if an owner exits?
- What happens if the insurance payout is lower than the agreed purchase amount?
- Are there tax, capital gains tax, duty or accounting implications to consider?
- Will the insurer offer cover on acceptable terms for the relevant people and insured events?
An insurance broker can help explain policy options, underwriting requirements and how different cover types may be arranged. However, the broader structure may also require legal, accounting and tax input. You can learn more about seeking professional support through the site's brokers page.
Common mistakes to avoid
Assuming key person insurance transfers ownership
Key person insurance may provide money to the business, but it does not by itself change who owns the business. Ownership transfer generally requires legal documentation and an agreed mechanism.
Arranging buy-sell cover without an agreement
Insurance proceeds alone may not settle disputes about valuation, timing or who must buy the departing owner's interest. A buy-sell agreement helps define those rules.
Using the wrong policy owner or beneficiary
Policy ownership and beneficiary arrangements can affect who controls the policy, who receives proceeds and whether the proceeds can be used for the intended purpose. These details should be checked carefully before cover is finalised.
Ignoring uninsured trigger events
Some succession events may not be insurable, or a person may not qualify for the desired cover on standard terms. The agreement should consider what happens if insurance is unavailable, limited, excluded or insufficient.
Failing to review cover as the business changes
Business values, debt levels, ownership percentages and key person roles can change over time. Both key person cover and buy-sell arrangements may need periodic review.
Which one does your business need?
A business may need key person insurance, buy-sell insurance, both or neither. The answer depends on what risk the business is trying to manage.
If the concern is the business surviving the loss of a critical contributor, key person insurance may be relevant. If the concern is how ownership will transfer when an owner dies, becomes disabled or exits, buy-sell insurance and a properly drafted agreement may be relevant. If both risks exist, the business may need a coordinated plan that treats them as separate but related issues.
This information is general only and does not take account of your objectives, financial situation or needs. Insurance availability, premiums, exclusions, ownership structures and claim outcomes depend on individual circumstances, policy terms, underwriting and provider criteria. Consider seeking professional advice before making decisions about business protection, shareholder protection insurance or succession funding.
Published: Tuesday, 6th Oct 2026
Author: Paige Estritori
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