Claims, tax and law
Tax treatment of business-owned insurance
One question decides almost everything: is this policy protecting revenue or protecting capital? Get that right and the tax treatment follows. Get it muddled and you can end up with non-deductible premiums and an assessable payout — the worst of both.
Last reviewed 4 September 2026 · Written and checked by the Best Life Insurance editorial team · How we get paid
In short
- The revenue versus capital purpose test is the central question in business insurance tax.
- Revenue purpose cover — replacing lost profits — may have deductible premiums and assessable proceeds.
- Capital purpose cover — funding a share buy-out or repaying debt — generally has non-deductible premiums and capital proceeds.
- Ownership, documentation and the shareholder agreement all have to tell the same story.
- Mixing purposes in one policy makes the analysis harder and the outcome less predictable.
- This is the accountant’s call, and it should be made before the cover is arranged.
What this is, plainly
Business insurance covers several different jobs under one heading. Key person cover exists so the business can survive the loss of someone whose contribution drives its income. Shareholder protection exists so the surviving owners can buy out a departing owner’s shares without selling assets. Business debt protection exists so a term loan or an overdraft can be cleared. Business expenses cover keeps the fixed overheads paid while an owner is off work.
Those are not variations on a theme for tax purposes. They fall into two very different categories. Cover that replaces income or profit the business would otherwise have earned looks like revenue. Cover that funds a capital transaction — acquiring shares, repaying principal — looks like capital. New Zealand tax treats those differently, and the same insurance product can be either depending on why it was bought.
The consequence is that the tax outcome is decided when the cover is set up, by the purpose and the paperwork, and not at claim time by how anyone would prefer it to be treated.
The test, applied
| Cover | Usual purpose | General treatment |
|---|---|---|
| Key person cover to replace lost profit | Revenue | Premiums may be deductible; proceeds may be assessable |
| Key person cover to fund recruitment and transition costs | Often revenue | Depends on documentation; discuss with your accountant |
| Shareholder protection funding a buy-sell agreement | Capital | Premiums generally not deductible; proceeds generally capital |
| Business debt protection repaying a term loan | Capital | Premiums generally not deductible; proceeds generally capital |
| Business expenses cover paying fixed overheads | Revenue | Commonly deductible premiums with an assessable benefit |
| Group life cover for employees | Employment cost | Deductible as an employment expense; FBT questions arise |
General description of principles commonly applied in New Zealand. The outcome for any business depends on its facts, its documentation and current law. This is not tax advice.
Why documentation decides it
If the shareholders’ agreement says the policy funds a buy-out, the policy is owned consistently with that, and the accounting treats the premiums as non-deductible, the story is coherent. If the agreement says one thing, the ownership says another, and someone has been claiming deductions, the position is not what anyone intended. Insurance structures for businesses have to be documented at the time, by people who talk to each other — the adviser, the accountant and the solicitor.
- 1Decide what the money is actually for. Write it down.
- 2Choose ownership that matches that purpose — company, shareholders personally, or cross-ownership.
- 3Make the shareholder or buy-sell agreement say the same thing.
- 4Confirm the premium treatment with the accountant, in writing, and apply it consistently.
- 5Review it whenever ownership, debt or the shareholding changes. Business insurance goes stale faster than personal cover.
Not sure what cover you actually need?
That is the question an adviser is there to answer. Tell us your situation and a licensed New Zealand adviser will compare the market and come back with a written recommendation — including where you can cut cover you do not need.
No cost to you and no obligation. General information only — not personalised financial advice.
What to watch for
These are the details that decide whether the cover does what you expected. Read them before you compare on price.
- Whether the shareholders’ agreement and the insurance actually match. They often do not.
- Whether the sum insured still matches the value of the shareholding or the balance of the debt.
- Whether the cover is owned by the company or by the shareholders personally, and why.
- Whether GST, imputation or shareholder current accounts are affected by how proceeds are applied.
- Whether a single policy is being asked to serve two purposes.
- Whether the accountant has actually confirmed the treatment or it has simply been assumed.
Where an adviser makes a difference
Every New Zealand insurer writes business cover to its own wording, and the words are where the money is. Two policies that look identical on price can pay very differently when it matters. Closing that gap is the entire job of an adviser.
- An adviser starts with what the money is for, which is the question that determines the structure and therefore the tax treatment.
- They will set up separate policies where mixing purposes would create ambiguity.
- They work with the accountant and the business’s solicitor so that the documentation is consistent.
- They review business cover when shareholdings or debt change, which is when structures quietly stop matching reality.
There are three ways to buy life cover in New Zealand, and they are not equivalent. You can buy direct from one insurer, which means you see one product range and one underwriting appetite. You can buy through your bank, which usually means a single insurer’s product sold under the bank’s brand, often with narrower definitions. Or you can go through an adviser, who quotes several insurers at once and is required to put your interests first.
The premium you pay is the same either way. Insurers build adviser commission into their pricing whether or not an adviser is involved, so going direct does not get you a discount — it just removes the person whose job is to argue your corner at application and at claim time.
- An adviser can see which insurer is currently taking your health history on standard terms, and which one will load or exclude it.
- An adviser can structure cover across two insurers if that produces a better outcome than putting everything with one.
- An adviser handles the underwriting back-and-forth, and is the person who chases the claim when a family is least able to.
- An adviser has to document why the recommendation suits you, which is a written record you can hold them to.
What happens if you get in touch
We are a referral service, not an insurer. We do not quote premiums and we do not sell policies. What we do is put you in front of one licensed New Zealand adviser who can compare the market properly.
- 1
You tell us what you are looking at
The form takes about a minute. Nobody asks for your medical history on a web form — that conversation happens with the adviser, properly, and only once you have decided to proceed.
- 2
An adviser calls you
A licensed New Zealand adviser talks through your situation: who depends on you, what you owe, what you already have in place, and what you are actually worried about.
- 3
They compare the market
The adviser quotes across the major insurers, checks which of them will take your health history on the best terms, and puts the options side by side in writing.
- 4
You decide, in your own time
There is no obligation and no cost to you. If the answer is that you already have enough cover, a good adviser will tell you that.
Frequently asked questions
Are key person insurance premiums tax deductible in New Zealand?
It depends on the purpose. Where the cover protects revenue — replacing the profit the business would have earned — the premiums may be deductible and the proceeds may be assessable. Where it funds a capital transaction, premiums are generally not deductible and proceeds are generally capital. Your accountant should confirm which applies.
How is shareholder protection insurance treated for tax?
Shareholder protection usually funds the purchase of a departing owner’s shares, which is a capital purpose. Premiums are generally not deductible and proceeds are generally capital. The ownership arrangement and the buy-sell agreement need to be consistent with that.
Should the company or the shareholders own the policy?
Both are used and each has consequences for tax, for control and for what happens if the shareholding changes. Cross-ownership between shareholders is common for buy-sell funding; company ownership is common for key person and debt cover. This is a decision to make with your accountant and solicitor, not a default.
Can one policy cover both key person loss and a share buy-out?
It can be made to, but it makes the tax analysis harder and the result less predictable, because the purposes point in different directions. Where both needs exist, separate policies with separate stated purposes are usually cleaner and easier to defend.
What happens to business cover if a shareholder leaves?
The cover often becomes mismatched immediately — insuring the wrong people for the wrong amounts under an agreement that no longer reflects who owns what. Business insurance should be reviewed at every change in shareholding, debt or key personnel.
Is business expenses cover treated the same as key person cover?
Not usually. Business expenses cover reimburses fixed overheads while an owner is unable to work, which is a revenue purpose, so it is commonly written with deductible premiums and an assessable benefit. Key person cover can fall either side depending on why it exists.