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Comparison sites versus a broker

An aggregator compares prices. Underwriting decides what you actually pay and what you are actually covered for. That gap is not a criticism of aggregators — it is a description of what a price engine can and cannot model.

Last reviewed 4 September 2026 · Written and checked by the Best Life Insurance editorial team · How we get paid

In short

  • Aggregators quote standard rates. Your real premium is the standard rate plus or minus whatever underwriting decides.
  • A comparison table cannot model a loading, an exclusion or a decline, because those depend on facts the site never sees.
  • Panels differ. A three-insurer comparison and a nine-insurer comparison produce different rankings for the same person.
  • Rankings reshuffle with age, smoking status and sum insured, so a table built on one profile says little about another.
  • Most aggregators compare life cover well and complex products — income protection, TPD, trauma — poorly, because those are definition-driven.
  • Aggregators are useful for orientation and for sanity-checking a quote. They are not a substitute for underwriting.
  • Check how any comparison site is paid, and whether every insurer in the market is on its panel.

What this is, plainly

Price comparison sites do something genuinely useful. They show that the spread between insurers for identical cover is large — commonly around 30% between cheapest and dearest on published New Zealand comparisons — and they stop you accepting the first number you are given.

What they cannot do is the part that determines your outcome. Every quote an aggregator shows is a standard rate: what that insurer charges someone of your age and smoking status with no adverse health history and a standard occupation classification. The moment your history produces a loading, an exclusion or a decline, every number on the page is wrong, and the ranking is void because loadings are applied to different base rates at different insurers.

That is not a flaw in the engineering but a limit of the category. An underwriting decision depends on GP notes, specialist reports, test results and a reinsurer’s current appetite. No software gets at that from a date of birth and a smoking question.

What a comparison site can and cannot model

What each is actually able to do
QuestionAggregatorBroker
What is the standard rate at each insurer?Yes — this is what they are built forYes, from the same rate tables
How wide is the spread for my age and sum insured?Yes, within the panel it coversYes, usually across a wider panel
What will I actually pay given my medical history?No — it quotes standard rates onlyIndicatively, via pre-assessment across insurers
Will an insurer exclude my condition?NoOften, before any application is made
Which occupation class will I be assigned?Approximately, if it asks at allYes, and knows where classification differs between insurers
How do the definitions differ?Rarely, and usually as feature ticksYes, clause by clause
What happens at claim?NothingAssembles evidence and argues the definition

How to use an aggregator well

  1. 1Use it to establish the range. If the spread across a panel for your profile is $200 a year, that is useful context for any single quote you are shown.
  2. 2Check the panel size. A three-insurer comparison and a nine-insurer comparison answer different questions, and a site cannot rank insurers it does not carry.
  3. 3Check the profile. Rankings reshuffle by age and smoking status — a table built on a 30-year-old non-smoker tells you very little if you are 55 and smoke.
  4. 4Check whether quotes are before or after discounts, consistently. Healthy-lifestyle, member and first-year discounts are applied differently and can flip an order.
  5. 5Check how the site is paid. Referral fees, commissions and lead sales are all legitimate models, but they can shape panels and presentation. It should be disclosed.
  6. 6Then stop. Once you know the range and the shortlist, the remaining questions are underwriting and wording questions, and those are answered by a person.

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.

  • That every quoted price assumes standard terms and no adverse health history.
  • How many insurers the panel actually contains, and which ones are missing.
  • Whether the compared products are equivalent — same premium structure, expiry age, indexation setting, and standalone versus accelerated trauma.
  • Whether complex products like income protection are compared on benefit and definition, or only on monthly price.
  • How the site is remunerated, and whether that is disclosed.
  • The date the data was last updated, since rates change several times a year.

Where an adviser makes a difference

Every New Zealand insurer writes life and living 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 aggregator compares prices; an adviser compares prices, wordings and underwriting appetite — the third of which decides most outcomes.
  • Where a condition would attract a loading, an adviser can find the insurer whose reinsurer takes the most favourable view.
  • Complex products do not compare well on price. An adviser compares the offset clause, the conversion age and the definitions.
  • An adviser can quote structures a comparison engine cannot express, such as split level and stepped cover or cover across two insurers.
  • At claim, there is no aggregator. There is you, the insurer, and whoever you have on your side.

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. 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. 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. 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. 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 life insurance comparison sites accurate in New Zealand?

Accurate for what they measure — standard rates for a given profile on their panel, as at the date shown. They are not a prediction of your premium, because they cannot see your medical history, your GP notes or the insurer’s current underwriting appetite. Treat the output as a range and a shortlist, not as a quote.

Why do different comparison sites rank insurers differently?

Because panels, profiles, discount treatment and update dates all differ. A three-insurer panel cannot produce the same ranking as a nine-insurer one, and quotes taken before discounts order differently from quotes taken after. Read the methodology note before the table, and check when the data was last refreshed.

Can a comparison site tell me if an insurer will accept my health condition?

No. Underwriting depends on your full medical history, often on GP notes and specialist reports, and on the insurer’s current reinsurance arrangements — none of which a comparison engine has access to. That question is answered by a pre-assessment, which an adviser can run anonymously across several insurers before any application exists.

Do comparison sites cover every New Zealand life insurer?

Usually not. Panels are built commercially and some insurers do not appear on some sites, including insurers that distribute only through advisers. Check the panel list before assuming a comparison covers the market — a ranking cannot include an insurer the site does not carry, and that insurer may be the one that suits you.

How do comparison websites make money?

Typically through referral fees, lead sales or commission arrangements. Those are legitimate models and they do not make the data wrong, but they can influence which insurers appear and how results are presented. Any site should disclose how it is paid; if you cannot find that disclosure, treat the presentation with a little more caution.

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