What Interwaste does

Interwaste is a New Zealand-domiciled, privately held waste management company specializing in the collection, treatment, and disposal of infectious, medical, clinical, biosecurity, and hazardous waste. Headquartered in Auckland with regional operations in Wellington, Christchurch, and Dunedin, the company operates 12 steam sterilization units — including one of the largest such facilities in the southern hemisphere at Auckland International Airport, which processes over 900 tonnes of quarantine and medical waste per month. Interwaste serves healthcare facilities (public and private hospitals, district health boards, dental practices, pharmacies, medical clinics, aged care facilities, laboratories), airports, universities, importers, freight operators, and a long tail of adjacent verticals (beverage, tattoo, acupuncture, electrical wholesalers, veterinary clinics). The company is described in first-party material as New Zealand's largest national medical and clinical waste disposal company, treating approximately 75% of biosecurity waste and 80% of quarantine waste generated nationwide.

The company's core technology is steam sterilization (autoclaving) for waste decontamination, supplemented by a proprietary barcode-based tracking system providing a complete audit trail from collection through to destruction, and a unique-to-New-Zealand zero-to-landfill mercury lamp recycling process that separates aluminium, glass, mercury, and phosphor powder for downstream reuse. In August 2025, Interwaste announced a strategic partnership with Nurox Hydrothermal to develop and deploy hydrothermal waste processing technology to replace offshore incineration of hazardous waste, with the first New Zealand plant scheduled for commissioning in 2026 and plans for international expansion via licensing and equipment services. Certifications include MPI Approved Transitional and Treatment Facility status for quarantine waste, NZS 4304:2002 compliance for healthcare waste, and Toitu Enviromark Diamond certification (the highest tier of New Zealand environmental certification).

Interwaste's revenue model combines recurring waste collection and disposal service contracts with one-time product sales (containers, sharps bins, medical gases supplied via a BOC partnership) and specialized recycling/secure destruction professional services. Distribution is multi-channel: direct sales and phone booking for enterprise customers, an e-commerce storefront (interwasteshop.co.nz) for SMBs and individuals, online customer portals for service scheduling and tracking, and direct delivery via a specialized fleet from the four regional offices. Pricing is predominantly per-unit for containers (e.g., NZ$15.50 for a 4L Medibin, NZ$182.60 for an FT100 lamp recycling box) with quoted pricing for medical gases and bulk services, billed primarily on a pay-as-you-go or monthly cadence, exclusive of GST.

Name

Interwaste

Legal name

Interwaste

Website

https://interwaste.co.nz

Company type

Private

Operating status

Operating

Headcount range

51–100 employees

Short description

Interwaste is New Zealand's largest national medical and clinical waste disposal company, providing steam sterilization treatment, quarantine waste processing, secure destruction, and advanced recycling services to healthcare, airport, laboratory, and biosecurity customers across four regional centers.

Ownership category

akta.pro rank

Product category

Medical Waste Management Services

NAICS

Hazardous Waste Treatment and Disposal (562211), Hazardous Waste Collection (562112)

SIC

Hazardous Waste Management (4955), Sanitary Services (4950)

akta.pro primary industry

Medical / Infectious Waste Treatment & Disposal (Autoclave + Incineration + Final Disposal) (EUAIACAJ)

Keywords

• Medical waste disposal
• Clinical waste management
• Biosecurity waste treatment
• Sharps disposal services
• Quarantine waste processing

Headquarters

HQ city

Auckland

HQ country

New Zealand

HQ region

Oceania

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Operations, Supply Chain, Personnel, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Waste Collection and Disposal Services: Core revenue stream from collection, treatment, and disposal of medical, clinical, quarantine, and controlled waste. Services include scheduled collections, on-demand pickups, and specialized handling for various waste types including sharps, pharmaceuticals, and cytotoxic waste.
2. Medical Gas and Liquid Nitrogen Sales: Sale of medical gases including oxygen, nitrous oxide, Entonox, medical air, and carbon dioxide, as well as liquid nitrogen for cryosurgery and fertility treatments. Partnered with BOC for supply.
3. Product Sales (Containers and Consumables): Sale of waste containers, bins, sharps containers, medical bags, and recycling boxes. Products range from small 1.4L sharps containers to 240L bins, with prices varying by size and type.
4. Advanced Recycling Services: Specialized recycling for fluorescent lamps, mercury-containing products, and other hazardous materials. Zero-to-landfill recycling service for all forms of mercury lamps.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels4 records

Core offering

Interwaste is New Zealand's largest national medical and clinical waste disposal company, providing comprehensive collection, treatment (via steam sterilization), and disposal of infectious, clinical, quarantine, and controlled waste for healthcare facilities. The offering is complemented by sharps disposal services, secure waste destruction, advanced zero-to-landfill mercury lamp recycling, a barcode-based audit-trail waste tracking system, and supply of medical gases and liquid nitrogen through BOC partnership.

Product overview

Interwaste is New Zealand's largest national medical and clinical waste disposal company offering a comprehensive suite of waste management services. The core portfolio includes Medical & Clinical Waste Services (via steam sterilisation), Sharps Disposal, Quarantine Waste Treatment, Secure Waste Destruction, Liquid Nitrogen & Medical Gas supply (via BOC partnership), Advanced Recycling (zero-to-landfill mercury lamp recycling), and Waste Tracking (barcode-based audit system). The product line includes single-use Medibins (4L, 10L, 20L), cytotoxic pails, medical gas cylinders (oxygen, air, nitrous oxide, Entonox, carbon dioxide), sharps containers in various sizes, document destruction bins, quarantine bins, and fluorescent lamp recycling boxes. Services are complemented by an online ordering portal and electronic tracking system providing full audit trail from collection to disposal.

Differentiator

Problem solved

Functional benefit

Products and services

• Medical, Clinical and Controlled Waste Services Comprehensive collection, treatment via steam sterilization, and disposal of infectious, medical, clinical, and controlled waste for hospitals, clinics, laboratories, and veterinary practices across New Zealand.
• Sharps Disposal Services End-to-end sharps disposal including supply of single-use sharps containers (BD range) and safe handling and disposal of needles, scalpels, and glass items for medical and clinical facilities.
• Quarantine Waste and Container Sweepings MPI-approved treatment and disposal services for biosecurity waste, at-risk goods, and quarantine container sweepings at all New Zealand ports of entry, executed through 12 steam sterilization units.
• Secure Waste Destruction Quality-assured secure destruction and brand-protection service for expired pharmaceuticals, confidential documents, and marketable products, with destruction certificates issued for compliance and audit trail.
• Advanced Recycling (Fluorescent Lamps) Zero-to-landfill 100% recycling service for mercury lamps that separates and recycles aluminium, glass (into insulation), mercury (for dental amalgam), and phosphor powder (for fertilizer) from fluorescent and HID lamps.
• Waste Tracking System Barcode-based tracking system using scanners on all bins that delivers a complete visible audit trail from point of collection through final destruction, supporting compliance with NZS 4304:2002 standards.
• Liquid Nitrogen and Medical Gas Supply Supply of medical gases (Medical Oxygen, Medical Air, Entonox, Nitrous Oxide, Medical Carbon Dioxide) and liquid nitrogen for cryosurgery and fertility treatments, delivered through partnership with BOC.
• Medibin (4 Litre) Single-use 4-litre container for safe containment and disposal of medical, pharmaceutical, and clinical waste; price $15.50 (supply only, plus collection/disposal fees).
• Medibin (10 Litre) Single-use 10-litre container for safe containment and disposal of medical, pharmaceutical, and clinical waste; price $26.45.
• Medibin (20 Litre) Single-use 20-litre container for safe containment and disposal of medical, pharmaceutical, and clinical waste; price $41.05.
• Cytotoxic Pail (20 Litre) Robust 20-litre plastic pail with secure-fitting lid designed for safe containment and disposal of cytotoxic waste; price $50.20.
• Quarantine Bin (240 Litre) Large 240-litre quarantine waste bin for container sweeping and quarantine waste from imported containers; price $126.91.
• Quarantine Bin (120 Litre) Medium 120-litre quarantine waste bin for container sweeping; price $86.91, including disposal and service charge.
• Document Destruction Bin (240 Litre) Secure 240-litre document destruction bin with padlock and regular scheduled collection; price $45.17 (excluding GST and waste levy).
• Fluorescent Tube Recycling Box (FT100) FT100 recycling box holding up to 100 fluorescent tubes; flat-packed shipping included; one-off payment of $182.60 includes shipping, collection, and recycling.
• Compact Fluorescent Lamp Recycling Box (CFL250) Safe disposal box for compact fluorescent lamps; holds up to 100 lamps; price $196.30.
• Medical Air Cylinder (Small - 184A) Medical Air cylinder (Small, 184A) for use in breathing apparatus; capacity 0.44 m3, weight 4.2 kg; supplied via BOC partnership.
• Medical Oxygen Medium Cylinder (180D2) Medical Oxygen cylinder (Medium, 180D2) for oxygen therapy and resuscitation; capacity 1570 litres, weight 12.7 kg; supplied via BOC partnership.
• Liquid Nitrogen Medical liquid nitrogen used in cryosurgery for freezing benign growths, precancers, and skin cancers, and in fertility treatments; supplied via BOC partnership.

Quantifiable outcome

• Processes over 900 tonnes of quarantine and medical waste per month
• +2 more outcomes

Named customers5 records

Segments10 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Two partnerships are on record, tiered core.

• Nurox HydrothermalcoreStrategic or Co-development Partner · 26 August 2025Strategic partnership to develop and deploy hydrothermal waste processing technology in New Zealand and globally. The partnership aims to replace offshore incineration of hazardous waste. First processing plant scheduled for commissioning in New Zealand in 2026, with plans for international expansion using licensing and equipment services.
• BOCcoreTechnology or IntegrationPartnership with BOC, New Zealand's leading provider of Liquid Nitrogen and Medical Gas, to deliver medical gas and liquid nitrogen products to customers.

Scale indicators5 records

Recent moves5 records

Expansion highlights5 records

Regional players

• Cleansmart: New Zealand operator focused on healthcare and pharmaceutical waste collection. Directly comparable as a domestic regional peer competing for the same DHB, pharmacy and aged-care waste contracts.

Direct peers

• Stericycle: Global leader in medical waste, sharps disposal and secure information destruction. Closest analog to Interwaste's hospital/clinical/sharps/quarantine service stack, but operating at much greater scale internationally.
• Daniels Health: Specialist in sharps and clinical waste containment and processing, with reusable container systems competing in the same hospital and aged-care verticals that Interwaste serves.
• Sharpsmart: Medical waste and sharps management company offering reusable containment and on-site processing services. Closely comparable to Interwaste's sharps and healthcare-waste segment.

Others

• BOC (Linde): Industrial and medical gases supplier; Interwaste's medical-gas and liquid-nitrogen partnership partner. Relevant as both ecosystem participant and supplier dependency in the company's product mix.

Broad incumbents

• Waste Management NZ: New Zealand's largest general waste services provider with hazardous and commercial waste capabilities. Comparable local incumbent that overlaps with Interwaste in regulated and commercial waste collection.
• Cleanaway: Australia's largest waste management company with healthcare and hazardous waste services and operations across the Tasman. Comparable as a broad incumbent in regulated waste categories overlapping with Interwaste's portfolio.
• Suez Recycling and Recovery: Global waste and water services group with regulated waste treatment capabilities internationally. Comparable broad incumbent and potential competitor if it expanded services into New Zealand.
• Veolia ANZ: Global waste management major with significant operations in Australia and New Zealand, including hazardous and industrial waste streams. Comparable broad incumbent competing in regulated waste categories.

Emerging players

• BioSAFE Engineering: Engineering and technology provider for on-site medical waste sterilization and disposal systems. Comparable as an emerging technology player in the same processing category that Interwaste operates via its 12-unit steam sterilization network.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/100016336451390
• LinkedInlinkedin.com/company/interwaste

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments1 record

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Interwaste