Written by Henry Smith · Reviewed by Smiths Insurance & KiwiSaver — licensed Financial Advice Provider (FSP712931) · Last updated 2026-08-15

UniMed Health Insurance Review NZ: Plans, Rating, Accuro

UniMed is a member-owned New Zealand health insurance society that absorbed the Accuro Health Insurance portfolio in 2024 and retired the Accuro brand from late July 2025. It describes itself as New Zealand's third-largest health insurer with more than 140,000 members, and AM Best's October 2025 rating announcement says the same. Its financial strength rating is A (Excellent) from A.M. Best, disclosed on UniMed's own financial strength page, although AM Best revised its outlook on that rating to negative in October 2025 (covered in detail below).

One thing to be clear about up front: UniMed is not one of the insurers on QuoteHub's advice panel (see our disclosure). This review is market information for people researching UniMed or working out what the Accuro merger means for them. It is not a recommendation, and QuoteHub receives nothing from UniMed.

All UniMed facts below come from unimed.co.nz pages retrieved on 15 August 2026 and the primary sources listed at the end, and were current at that date.

Who UniMed is

UniMed's legal entity is Union Medical Benefits Society Limited, trading as UniMed: a licensed insurer under the Insurance (Prudential Supervision) Act 2010, listed on the Reserve Bank of New Zealand's register of licensed insurers. It was founded in 1979 as a member-based non-profit to help workers fund healthcare, and it remains a mutual society: it says it exists for its members, not shareholders. Its head office is in Christchurch.

UniMed only does health insurance: there is no life, trauma or income protection range.

Distribution runs through three channels: direct (online quote and enquiry), workplace schemes (UniMed says more than 500 New Zealand businesses provide its plans to staff), and financial advisers, for whom UniMed runs a dedicated adviser hub on its site.

The Accuro merger: what happened and when

Accuro Health Insurance no longer exists as a separate insurer. Its insurance portfolio was transferred to UniMed in 2024, and UniMed began replacing the Accuro name and logo with its own from late July 2025. UniMed's "Accuro is now UniMed" page (published 7 July 2025) is the official explainer for affected members.

The background, as UniMed tells it: Accuro started in 1971 as the Hospital Services Welfare Society, providing health insurance exclusively to hospital staff, opened its membership to all New Zealanders in 2007 and rebranded as Accuro. The 2024 transfer moved roughly 30,000 Accuro members across, taking UniMed past 140,000 members in total. UniMed's stated reasons for retiring the Accuro brand were bringing the teams together, consistent service across plans, and the efficiency of supporting a single brand. The rebrand is deliberately gradual: UniMed says you may keep seeing the Accuro name in some places until the transition completes.

What the merger means for former Accuro members

UniMed states plainly that the rebrand has no impact on your policy, cover or benefits, with the caveat that the usual annual review of benefits and premiums at renewal still happens. Everything in this section is what UniMed's own transition pages say, retrieved 15 August 2026.

The practical details for ex-Accuro members:

Your policy number starts with PL. That prefix is how UniMed routes you to the right systems, and it identifies plans originally issued under the Accuro brand: SmartCare and SmartCare+, SmartStay, KidSmart, Day to Day, and StaffCare/StaffCare+.
You keep using the Accuro member portal to submit claims, request prior approval and manage your details. UniMed-issued policies (numbers starting with digits) use a separate portal.
Payments don't change. Direct debits and reimbursements now show as coming from Union Medical Benefits Society (UniMed).
Excess handling on PL policies: a voluntary excess applies once per person, per policy year, while compulsory excesses on specific benefits still apply per claim. (See how health insurance excesses work for the general mechanics.)
Some legacy extras were discontinued. UniMed's transition page states the Virtual Clinic and Mental Health Navigator benefits were discontinued from 1 September 2025; members on eligible plans instead get access to funding of up to $1,000 of reasonable charges towards consultations with a registered psychiatrist, psychologist, psychotherapist or counsellor.

If any of those extras were the reason you chose Accuro, the discontinuations are worth weighing. So is the fact that leaving a health insurer and joining another usually restarts underwriting, which matters if you have developed health conditions since you joined. That trade-off is exactly where personalised advice earns its keep.

UniMed's health plans in 2026

UniMed currently markets seven personal health plans plus tailored group schemes, mixing its original range with the plans that came across from Accuro. The one-line descriptions below are UniMed's own; benefit terms, waiting periods and exclusions live in each plan's policy document.

SmartCare & SmartCare+: comprehensive cover for hospital, surgical and cancer treatment, with optional modules (ex-Accuro range)
Hospital Select: unlimited cover for eligible surgical procedures
UniCare Advantage: 80% coverage of surgical costs up to $100,000 per admission
Health Positive: 50% or 80% reimbursement of everyday health costs, including dental and vision care
KidSmart: cover designed for children and dependants
SmartStay: health insurance for work-visa holders
ParentStay: health insurance for Parent Boost Visa applicants
Group/workplace plans: employer schemes (including the ex-Accuro StaffCare range)

Note the structural spread: Hospital Select and UniCare Advantage are surgical/hospital plans, Health Positive covers everyday costs, and SmartCare is the comprehensive option. Comparing any of them against another insurer's plan only works benefit line by benefit line; our guide to choosing health insurance in NZ covers the framework.

Financial strength: a strong rating with a negative outlook

UniMed holds an A (Excellent) financial strength rating from A.M. Best, disclosed on UniMed's financial strength page and recorded against Union Medical Benefits Society Limited on the RBNZ register of licensed insurers (both retrieved 15 August 2026). On AM Best's scale, A and A- sit in the "Excellent" band, below only A++ and A+ (Superior).

The current wrinkle is the outlook. On 3 October 2025, AM Best affirmed the A (Excellent) rating but revised its outlook to negative from stable, citing pressure on UniMed's operating performance: high claims inflation across New Zealand health insurance contributed to a combined ratio of 116.4% in UniMed's 2024 fiscal year (meaning claims and expenses exceeded premium income), and recent underwriting losses have eroded capital. A negative outlook is not a downgrade: the rating was affirmed, but it signals the agency sees a realistic chance of one if performance does not recover.

Two balancing facts from the same sources belong alongside that. First, AM Best said UniMed's risk-adjusted capitalisation remained at the strongest level on its capital adequacy measure, albeit trending down, and that it expects loss ratios to stabilise as UniMed remediates its portfolio, including through material price increases, which existing members should factor into renewal expectations. Second, UniMed's own solvency disclosure as at 31 March 2026 shows solvency capital of $204.9 million against an adjusted prescribed capital requirement of $114.9 million, an adjusted solvency ratio of 178%, well above the regulatory minimum.

For context on the same register (retrieved 15 August 2026): Southern Cross Medical Care Society holds A+ from S&P and nib nz holds A from S&P, per the RBNZ register. AM Best and S&P use different scales, so the letters are not directly interchangeable between agencies.

Claims and contact: how the process works

UniMed's claims run through its member portals, with a prior-approval step for bigger treatment and stated turnaround targets for both. The details below are from UniMed's claims page, retrieved 15 August 2026.

Two portals: policy numbers starting with digits use the UniMed portal; PL-prefixed (ex-Accuro) policies use the Accuro portal.
Prior approval is needed before treatment likely to cost $1,000 or more, or likely to require hospitalisation. UniMed aims to process prior-approval requests within three working days of receiving complete information, and says it may take up to five. With prior approval, UniMed can usually pay the provider directly so you don't pay and reclaim.
Reimbursement claims (treatment already paid for) are usually assessed within 10 working days.
A medical report may be requested if you have personal exclusions or have held the policy for less than five years.
Contact: 0800 600 666 (weekday business hours) or [email protected].

If you disagree with a claims decision, UniMed's internal complaints process applies first. UniMed participates in the Insurance & Financial Services Ombudsman scheme, a free independent dispute service, and is a member of the Financial Services Council.

What UniMed does not publish

There are material facts a careful comparison would want that we could not verify from UniMed's public pages, and we won't guess at them. As at 15 August 2026:

No published claims acceptance rate. The pages we reviewed state no percentage-of-claims-paid figure or declined-claims breakdown, so UniMed cannot be compared on that measure against insurers that do publish one.
Entry and maximum ages per plan are not stated on the marketing pages we reviewed and remain unverified here. Check each plan's policy document or ask UniMed directly.
Plan-level waiting periods and pre-existing condition terms sit in the policy documents rather than the pages reviewed; our general guide to health insurance waiting periods explains what to look for.

Who UniMed may suit, and who should compare further

UniMed's clearest fits are people who value the member-owned structure, employees offered a UniMed scheme through their workplace, former Accuro members whose cover and underwriting history are already in place, and niches the biggest insurers don't chase, such as SmartStay and ParentStay for visa holders.

Circumstances where you should compare more widely, or get advice before moving:

You have pre-existing conditions and are considering switching, in or out of UniMed. New underwriting can exclude conditions your current policy covers, which is often the single biggest factor in a switch decision.
Published claims statistics matter to you. UniMed doesn't publish an acceptance rate; some competitors do.
You're weighing the negative outlook. The rating remains A (Excellent) per the RBNZ register, but AM Best's October 2025 commentary flags earnings pressure and signals price increases. Understand both before committing either way.
You need life, trauma or income cover too. UniMed is health-only, so a broader protection plan needs at least one other insurer anyway.

Where QuoteHub fits: our advisers work with a panel that includes nib and Southern Cross for health insurance (the full panel is disclosed here), and UniMed is not on it. If you want a personalised comparison across that panel, start a free comparison. If you specifically want UniMed, go direct or through an adviser who works with them.

Frequently Asked Questions

Is Accuro still a health insurer in New Zealand?

No. Accuro's insurance portfolio was transferred to Union Medical Benefits Society Limited (UniMed) in 2024, and from late July 2025 UniMed began retiring the Accuro brand entirely. Accuro-issued policies continue under UniMed with policy numbers starting with PL.

Did the Accuro-UniMed merger change existing Accuro policies?

UniMed states the rebrand has no impact on policy, cover or benefits, apart from the usual annual review of benefits and premiums at renewal. Payments and reimbursements now show as Union Medical Benefits Society (UniMed), and members keep using the Accuro member portal. Some legacy extras (Virtual Clinic and Mental Health Navigator) were discontinued from 1 September 2025 and replaced with funded mental-health consultations on eligible plans.

What is UniMed's financial strength rating?

UniMed has an A (Excellent) financial strength rating from A.M. Best, disclosed on its financial strength page. On 3 October 2025, AM Best affirmed that rating but revised the outlook to negative, citing underwriting losses driven by claims inflation.

Is UniMed a non-profit?

UniMed is a mutual society, Union Medical Benefits Society Limited, founded in 1979, and says it exists for its members rather than shareholders. Member-owned does not mean premiums can't rise: AM Best's October 2025 commentary notes material price increases as part of UniMed's recovery plan.

How big is UniMed compared with other NZ health insurers?

UniMed describes itself as New Zealand's third-largest health insurer with more than 140,000 members, a position AM Best's October 2025 announcement also states, reached after the roughly 30,000-member Accuro portfolio transferred in 2024. Southern Cross and nib are the other two major New Zealand health insurers; we review both separately.

Is UniMed on QuoteHub's panel?

No. QuoteHub's advisers work with the insurers listed on our disclosure page, which for health insurance includes nib and Southern Cross, and UniMed is not among them. This review is market information only; QuoteHub has no commercial relationship with UniMed.

References and Data Sources

All sources below were retrieved and current on 15 August 2026.

UniMed , Homepage and plan range (plan list and one-line plan descriptions)
UniMed , About UniMed (1979 founding, mutual structure, 140,000+ members, third-largest self-description, Accuro history and 2024 portfolio transfer, 500+ business schemes)
UniMed , Accuro is now UniMed (published 7 July 2025; transition detail, PL policy numbers, portal, payments, discontinued benefits, excess treatment)
UniMed , Financial strength (A (Excellent) A.M. Best rating; solvency as at 31 March 2026; IFSO and FSC membership)
UniMed , Making a claim (prior approval thresholds and timeframes, claims assessment target, portals)
AM Best , AM Best Revises Outlooks to Negative for Union Medical Benefits Society Limited, 3 October 2025 (rating affirmation, negative outlook, FY2024 combined ratio 116.4%, third-largest statement, capitalisation commentary)
Reserve Bank of New Zealand , Register of licensed insurers (licence and rating records for Union Medical Benefits Society, Southern Cross Medical Care Society and nib nz)

Known gaps, stated rather than guessed: UniMed's published claims acceptance statistics (none found), per-plan entry/maximum ages, plan-level waiting periods and pre-existing condition terms, the exact legal date of the Accuro portfolio transfer within 2024, and cumulative claims paid (UniMed's about page references a total we could not render reliably, so it is omitted).

Last reviewed: 15 August 2026. Ratings are re-verified on publication and at least quarterly; the AM Best outlook position should be re-checked against AM Best and UniMed's disclosure page before relying on it.

Disclaimer: This article is general market information only and does not constitute financial advice. QuoteHub has no commercial relationship with UniMed, and nothing here is a recommendation to buy, keep or cancel any policy. Financial advice is provided by Craig Smith Business Services Limited, trading as Smiths Insurance & KiwiSaver, a licensed Financial Advice Provider (FSP712931). Insurance products are subject to underwriting and policy terms; features described were current at the retrieval date above and are subject to change. Always check the current policy documents.