Expert Decontamination & Sanitisation Services AcrossNew Zealand
QualGroup provides residential and commercial decontamination and sanitisation services across New Zealand, addressing pathogens, biohazards and harmful contaminants through structured procedures, professional equipment and specialist cleaning techniques.
- Serve Across
- Bay of Plenty
- Waikato
- Auckland
- Wellington
- Canterbury
- Throughout New Zealand.
12+
Years of Experience
Professional Decontamination & Sanitisation for Your Space
Specialised Decontamination & Sanitisation Services You Can Trust
QualGroup offers comprehensive decontamination and sanitisation services across New Zealand for residential and commercial properties, helping restore affected homes, workplaces and sensitive environments to safer, cleaner conditions. Founded in 2014 by healthcare professionals Vijo Madappilly Jose and Riya Cherian, QualGroup brings more than 10 years of healthcare informed cleaning expertise to biohazards, forensic incidents, infectious disease risks and other contamination scenarios.
Our service combines compassionate, empathetic care with structured infection control principles, recognising the sensitivity and disruption surrounding contamination incidents. Every service is supported by High Performance Cleaning (HPC) Methodology, ISO 9001:2015 Certified Quality Management Systems, Green Seal Certified products, professional equipment, and trained and vetted specialists.
Choosing the Right Decontamination & Sanitisation Service
The right service depends on the type of space, the level of contamination or hygiene concern, and the specific areas that require treatment.
Methamphetamine Decontamination
Professional methamphetamine decontamination for affected properties, including specialist cleaning, surface sanitisation, disposal of unsalvageable items, contamination testing coordination, and detailed cleaning documentation.
Biohazard & Forensic Cleaning
Specialist biohazard and forensic cleaning for crime scenes, unattended deaths, industrial accidents, and contaminated environments, using controlled procedures, appropriate PPE, zoning, and thorough site decontamination.
Infectious Disease & Virus Disinfection
Hospital grade infectious disease and virus disinfection for workplaces and properties, targeting high touch surfaces and contamination risks through structured cleaning, disinfection, PPE, and inspections.
Mould Remediation & Fungal Treatment
Specialist mould remediation and fungal treatment for properties affected by moisture and contamination, helping identify affected areas, control spread, remove contamination, and restore safer indoor environments.
Flood & Water Damage Restoration
Professional flood and water damage restoration for contaminated properties, addressing water affected areas, moisture, structural drying, and cleaning requirements to help restore safer, usable environments.
Hazardous Material Abatement
Specialist hazardous material abatement for environments affected by dangerous contaminants, with controlled procedures, appropriate protective measures, responsible handling, and professional cleaning support tailored to site requirements
Our Decontamination & Sanitisation Process
Simple Booking. Clear Cleaning. Less Hassle.
Assess
We assess the affected environment, contamination type, areas involved and cleaning requirements to determine an appropriate service approach.
Plan & Prepare
The site is prepared according to the identified requirements, including appropriate equipment, cleaning products, PPE and procedures.
Contain & Decontaminate
Our specialists work through the affected areas using controlled cleaning and decontamination procedures designed for the specific contamination scenario.
Sanitise & Treat
Relevant surfaces and areas are cleaned and sanitised according to the requirements of the site and contamination type.
Inspect
The completed work is reviewed to ensure the agreed cleaning and decontamination requirements have been addressed.
Common Contamination and Hazards We Help Remove
Advanced Cleaning for Biohazard, Contamination & Infection Risks
QualGroup provides specialised decontamination and sanitisation services for homes, workplaces and contaminated environments across New Zealand. With 10+ years of healthcare informed cleaning expertise, our 30+ QualClean Academy trained and vetted specialists follow medical cleaning protocols, the High Performance Cleaning (HPC) Methodology and ISO 9001:2015 quality systems, supported by 39+ professional cleaning equipment and tools.
- Methamphetamine contamination embedded in walls, flooring, carpets, ventilation systems, and other affected materials.
- Blood, bodily fluids, infectious waste, and biological matter requiring controlled removal and specialist decontamination.
- Bacteria, viruses, and infectious pathogens across contaminated surfaces, high touch areas, and affected environments.
- Asbestos containing materials requiring controlled isolation, removal, handling, and disposal through appropriate licensed procedures.
- Decomposing organic matter, accumulated waste, animal remains, and extensive contamination within severely neglected properties.
- Vermin waste, biological residues, infestation related contamination, and persistent odours affecting living and working environments.
- Floodwater contamination, sewage related waste, moisture affected materials, and mildew following water damage.
Trusted by Leading Kiwi Organisations
Over the years, QualGroup has built long-term relationships with organisations across New Zealand through reliable, structured cleaning services.
We truly appreciate the care taken in maintaining our workspace and would highly recommend their services to anyone looking for a thorough and dependable cleaner.
Communication is always clear and friendly, and any requests or adjustments are handled quickly and efficiently. The staff are well-trained, punctual, and show great respect for our workspace and schedules.
Overall, QualGroup has made a noticeable difference in maintaining a clean and hygienic environment for our staff and clients. I would highly recommend their services to anyone looking for a dependable and professional cleaning partner.
Complete Decontamination & Sanitisation Solutions
Specialist Cleaning for Residential & Commercial Properties
QualGroup provides tailored decontamination and sanitisation services for properties affected by biological contamination, infectious disease risks, methamphetamine residues, forensic incidents, fire or water related contamination.
Residential Properties
The Numbers Behind Our Expertise
Certified Standards & Specialist Industry Credentials
ISO 9001:2015
QualGroup operates an ISO 9001:2015 Certified Quality Management System.
Green Seal Certified
QualGroup uses 100% Green Seal Certified eco-friendly cleaning products.
SHE Pre-Qual
SHE Pre-Qual supports the assessment of health, safety and environmental practices.
SiteWise Accredited
SiteWise accreditation supports the assessment of contractor health and safety systems
IICRC
IICRC certification reflects professional training and recognised industry knowledge in specialist cleaning and restoration practices
Exterior Cleaning industry association
QualGroup's involvement in the exterior cleaning industry reflects its focus on professional standards and practical expertise across exterior cleaning services
Don’t Settle for Surface Cleaning When Specialist Decontamination Is Required
QualGroup assesses the situation and applies a targeted cleaning and sanitisation approach based on the contamination, affected materials and environment.
Explore Our HPC Methodology
Tailored Decontamination & Sanitisation Solutions
Contamination risks differ between infectious disease exposure, biohazard incidents, methamphetamine contamination, fire damage and water affected environments. QualGroup assesses the contamination, affected materials and site conditions before applying a targeted decontamination and sanitisation response.
Our High Performance Cleaning (HPC) Methodology provides a structured framework for selecting the appropriate cleaning procedures, equipment, products and controls for each environment. Rather than applying one standard cleaning routine, our trained specialists adapt the process to the contamination involved, helping achieve thorough contaminant removal, effective sanitisation and safer conditions for occupants, workers and visitors.
Beyond Cleaning
Training, Growth & Giving Back
QualGroup goes beyond providing cleaning services. We focus on building capable cleaning professionals, supporting franchise partners, and contributing to the communities & businesses we work with.
QualClean Academy
Professional Training, Hospital-Grade Standards
Every QualGroup specialist is trained through our proprietary QualClean Academy in evidence-based cleaning practices, healthcare-inspired principles, and the High-Performance Cleaning (HPC) Methodology before serving our clients.
Franchise
Own a QualGroup Franchise
Cleaning For Purpose
Cleaning For Purpose
Decontamination & Sanitisation FAQs
Yes. QualGroup provides specialist decontamination and sanitisation for homes, workplaces and affected environments, with procedures tailored to the contamination type, surfaces involved and site conditions.
Arrange specialist cleaning when a property or workplace involves biohazards, infectious contamination, forensic incidents, methamphetamine residues or contamination requiring controlled procedures beyond routine cleaning.
Yes. QualGroup provides forensic cleaning across New Zealand for crime scenes, unattended deaths and industrial accidents, incorporating site zoning, appropriate PPE, controlled cleaning procedures and post incident decontamination.
Yes. QualGroup provides methamphetamine cleaning for affected properties, working with certified agencies such as Methxpert for contamination assessment and testing before specialist cleaning and sanitisation begins.
Yes. Sanitisation can form part of the decontamination process where appropriate, with the treatment method determined by the contamination involved, affected surfaces, site conditions and required cleaning procedures.
Yes. QualGroup offers 24/7 emergency cleaning support across its wider operation. Decontamination response depends on the incident, location, required equipment and specialist team availability.
QualGroup uses controlled cleaning procedures and zoning techniques where required, particularly for forensic environments. Appropriate PPE and structured site practices help manage contamination between affected and unaffected areas.
Yes. QualGroup serves New Zealand through local teams and its nationwide network, with service coverage including Bay of Plenty, Waikato, Auckland, Wellington and Canterbury, subject to team availability.
Professional Decontamination Services Near You
Decontamination Services Across New Zealand
QualGroup provides professional cleaning services through local teams and its nationwide network, supporting homes, businesses and specialist environments across New Zealand.
Key Service Areas
- Bay of Plenty
- Waikato
- Auckland
- Wellington
- Canterbury & Across New Zealand
Popular Locations
Don't See Your Location?
QualGroup provides professional decontamination and sanitisation services using trained teams and appropriate cleaning methods. Contact us to discuss your requirements and check service availability in your area.
Schedule Your Free Site Audit
Tell us about your property, workplace or contamination concern and our team will assess your requirements and advise on the appropriate cleaning solution.
Head Office:
Unit 6/3 Hyland Crescent, Mangakakahi, Rotorua 3015, New Zealand.
Email:
info@qualgroup.co.nz
Phone:
0800 800 353
Working Hours :
24 x 7